JP2001155702A - Battery device - Google Patents

Battery device

Info

Publication number
JP2001155702A
JP2001155702A JP34137099A JP34137099A JP2001155702A JP 2001155702 A JP2001155702 A JP 2001155702A JP 34137099 A JP34137099 A JP 34137099A JP 34137099 A JP34137099 A JP 34137099A JP 2001155702 A JP2001155702 A JP 2001155702A
Authority
JP
Japan
Prior art keywords
battery
cell
battery cells
bus bar
battery device
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP34137099A
Other languages
Japanese (ja)
Other versions
JP4665277B2 (en
Inventor
Chiaki Anzai
千秋 安西
Ryoichi Yamane
良一 山根
Kazuhiko Sakuma
和彦 佐久間
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Sony Corp
Original Assignee
Sony Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Sony Corp filed Critical Sony Corp
Priority to JP34137099A priority Critical patent/JP4665277B2/en
Publication of JP2001155702A publication Critical patent/JP2001155702A/en
Application granted granted Critical
Publication of JP4665277B2 publication Critical patent/JP4665277B2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/62—Heating or cooling; Temperature control specially adapted for specific applications
    • H01M10/625—Vehicles
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
    • H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
    • H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
    • H01M50/213—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for cells having curved cross-section, e.g. round or elliptic
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/613—Cooling or keeping cold
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
    • H01M10/643—Cylindrical cells
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/656—Means for temperature control structurally associated with the cells characterised by the type of heat-exchange fluid
    • H01M10/6561—Gases
    • H01M10/6563—Gases with forced flow, e.g. by blowers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50—Current conducting connections for cells or batteries
    • H01M50/543—Terminals
    • H01M50/552—Terminals characterised by their shape
    • H01M50/559—Terminals adapted for cells having curved cross-section, e.g. round, elliptic or button cells
    • H01M50/56—Cup shaped terminals
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10—Energy storage using batteries

Abstract

PROBLEM TO BE SOLVED: To provide a battery device that prevents failure of a battery cell by absorbing distortion caused by an impact and reducing the stress exerted to the cell. SOLUTION: A battery device 1 includes the cell unit 19 consisting of a plurality of battery cells 18, which are connected by means of a bus bar 21 that comprises two connection members 22, 22 for connecting two adjacent cells 18, and a connection piece 23 connected perpendicularly with the two connection members 22 and 22.

Description

【発明の詳細な説明】DETAILED DESCRIPTION OF THE INVENTION

【０００１】[0001]

【発明の属する技術分野】本発明は、複数の電池セルか
らなるバッテリ装置に関し、特に大電流に対応したバッ
テリ装置において並列に接続された複数の電池セルをさ
らに直列に接続する接続部材の改良に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a battery device comprising a plurality of battery cells, and more particularly to an improvement in a connecting member for connecting a plurality of battery cells connected in parallel in a battery device capable of handling a large current. .

【０００２】[0002]

【従来の技術】バッテリ装置は、従来から例えば自動車
に搭載され、該自動車の内燃機関を駆動するモータ等の
電源となるものである。このバッテリ装置は、複数個の
電池セルにより構成されるセルユニットを備えている。
このようなバッテリ装置に搭載されるセルユニットは、
大電流を流す場合、複数個の電池セルが互いに並列に接
続され、これら並列に接続された電池セル同士が複数組
直列に接続される。2. Description of the Related Art A battery device is conventionally mounted on an automobile, for example, and serves as a power source for a motor for driving an internal combustion engine of the automobile. This battery device includes a cell unit including a plurality of battery cells.
The cell unit mounted on such a battery device includes:
When a large current flows, a plurality of battery cells are connected in parallel to each other, and a plurality of sets of these battery cells connected in parallel are connected in series.

【０００３】例えば、図９に示す４本の電池セル１１１
（１１１ａ乃至１１１ｄ）のうち、電池セル１１１ａと
電池セル１１１ｂとを並列に接続するとともに、同様に
電池セル１１１ｃと電池セル１１１ｄとを並列に接続
し、これら二組の電池セルをさらに直列に接続する場合
には、金属板からなる接続導体１０１が使用される。こ
の接続導体１０１は、中央部分が張り出されて形成さ
れ、この張り出された部分（以下、張出し部１０２と称
して説明する。）を挟んで２個ずつ、すなわち４個の円
筒部１０３（１０３ａ乃至１０３ｄ）が設けられてい
る。接続導体１０１においては、大電流が流れる際に生
ずる発熱を効率よく放熱するために、全体略矩形状に形
成されて大きな表面積が確保されている。For example, four battery cells 111 shown in FIG.
Of (111a to 111d), battery cell 111a and battery cell 111b are connected in parallel, and similarly, battery cell 111c and battery cell 111d are connected in parallel, and these two sets of battery cells are further connected in series. In this case, a connection conductor 101 made of a metal plate is used. The connecting conductor 101 is formed by projecting a central portion thereof, and two connecting portions, that is, four cylindrical portions 103 (hereinafter, referred to as an overhanging portion 102) are sandwiched by the overhanging portion (hereinafter, referred to as an overhanging portion 102). 103a to 103d) are provided. In order to efficiently radiate heat generated when a large current flows, the connection conductor 101 is formed in a substantially rectangular shape as a whole, and a large surface area is secured.

【０００４】このような接続導体１０１には、円筒部１
０３ａに電池セル１１１ａの一端に取り付けられた正極
端子部材１１２が接続され、同様に円筒部１０３ｂに電
池セル１１１ｂ一端に取り付けられた正極端子部材１１
２が接続され、これら電池セル１１１ａ、電池セル１１
１ｂ間を並列接続する。また接続導体１０１は、円筒部
１０３ｃに電池セル１１１ｃの他端に取り付けられた負
極端子部材１１３が接続され、同様に円筒部１０３ｄに
電池セル１１１ｄの他端に取り付けられた負極端子部材
１１３が接続され、これら電池セル１１１ｃ、電池セル
１１１ｄ間を並列接続する。そして、接続導体１０１
は、このように並列接続された電池セル１１１ａ、電池
セル１１１ｂ間と、電池セル１１１ｃ、電池セル１１１
ｄ間とを直列接続する。The connecting conductor 101 has a cylindrical portion 1
The positive electrode terminal member 112 attached to one end of the battery cell 111a is connected to 03a, and the positive electrode terminal member 11 similarly attached to one end of the battery cell 111b is attached to the cylindrical portion 103b.
2 are connected, and these battery cells 111a and 11
1b are connected in parallel. In the connection conductor 101, the negative electrode terminal member 113 attached to the other end of the battery cell 111c is connected to the cylindrical portion 103c, and the negative electrode terminal member 113 attached to the other end of the battery cell 111d is similarly connected to the cylindrical portion 103d. Then, the battery cells 111c and 111d are connected in parallel. Then, the connection conductor 101
Are connected between the battery cell 111a and the battery cell 111b connected in parallel in this manner, and between the battery cell 111c and the battery cell 111b.
and d are connected in series.

【０００５】[0005]

【発明が解決しようとする課題】しかしながら、上述し
たように複数の電池セル１１１を接続する接続導体１０
１は、搭載された自動車の事故等により衝撃が加わった
際に、その形状が変形して電池セル１１１の端子部分に
対して応力を加えることがある。このとき、図９中矢印
Ｄ方向に形状が変形した場合には、張出し部１０２が介
在されているため、該張出し部１０２の可撓性により変
形を吸収でき、電池セルの端子部分１１１にかかる応力
が少ない。これに対し、同図中矢印Ｅ方向に形状が変形
した場合には、張出し部１０２が形成されているため矢
印Ｅ方向の剛性が比較的強く、その変形を吸収できな
い。そして、接続導体１０１に接続された電池セル１１
１の端子部分に加わる応力も大きくなり、電池セル１１
１内に封入された電解液の漏液が発生する等、電池セル
１１１の故障の原因となっている。However, as described above, the connection conductors 10 for connecting the plurality of battery cells 111 are provided.
In the case of 1, when an impact is applied due to an accident of a mounted automobile or the like, the shape may be deformed and stress may be applied to a terminal portion of the battery cell 111. At this time, when the shape is deformed in the direction of arrow D in FIG. 9, since the overhang portion 102 is interposed, the deformation can be absorbed by the flexibility of the overhang portion 102 and the overhang can be applied to the terminal portion 111 of the battery cell. Low stress. On the other hand, when the shape is deformed in the direction of the arrow E in the figure, the rigidity in the direction of the arrow E is relatively strong because the overhang portion 102 is formed, and the deformation cannot be absorbed. Then, the battery cell 11 connected to the connection conductor 101
The stress applied to the terminal portion of the battery cell 1 also increases, and the battery cell 11
For example, leakage of the electrolyte solution sealed in the battery 1 causes a failure of the battery cell 111.

【０００６】ところで、上述した接続導体１０１におい
ては、同図中矢印Ｆ方向、すなわち電池セル１１１ａ及
び電池セル１１１ｂ側から電池セル１１１ｃ及び電池セ
ル１１１ｄに側に向かって大電流が流れる。これに対
し、並列に接続された電池セル１１１間、すなわち電池
セル１１１ａと電池セル１１１ｂとの間、及び電池セル
１１１ｃと電池セル１１１ｄとの間においては電位の差
分の電流しか流れない。したがって、並列に接続された
電池セル１１１間を接続する部分においては、この接続
部分での発熱に対する放熱を考えた場合、それほど大き
な面積を必要とはしていない。In the connection conductor 101 described above, a large current flows in the direction of arrow F in the figure, that is, from the battery cells 111a and 111b to the battery cells 111c and 111d. On the other hand, only a current having a potential difference flows between the battery cells 111 connected in parallel, that is, between the battery cells 111a and 111b and between the battery cells 111c and 111d. Therefore, in a portion connecting the battery cells 111 connected in parallel, a large area is not required in view of heat radiation at the connection portion.

【０００７】そこで、本発明は、衝撃等による変形を吸
収し、電池セルに加えられる応力を低減させて電池セル
の故障が防止されるバッテリ装置を提供することを目的
とする。Accordingly, an object of the present invention is to provide a battery device that absorbs deformation due to an impact or the like, reduces stress applied to a battery cell, and prevents failure of the battery cell.

【０００８】[0008]

【課題を解決するための手段】上述した目的を有する本
発明に係るバッテリ装置は、金属板からなる接続導体に
よって、複数の電池セルが並列に接続されるとともに、
これら並列に接続された電池セルが複数組直列に接続さ
れるセルユニットを備える。そして、この接続導体は、
一対の電池セル間を接続する２個の接続部材と、２個の
接続部材と直交する方向にこれらを連結する連結部材と
からなる。In the battery device according to the present invention having the above-mentioned object, a plurality of battery cells are connected in parallel by a connecting conductor made of a metal plate.
A plurality of battery cells connected in parallel include a cell unit connected in series. And this connection conductor is
It comprises two connecting members for connecting a pair of battery cells, and a connecting member for connecting the two connecting members in a direction orthogonal to the two connecting members.

【０００９】上述した構成を有する本発明に係るバッテ
リ装置は、複数の電池セルを２個の接続部材と、この接
続部材と直交する方向に接続部材間を連結する連結部材
の２部材からなる接続導体で接続することにより、直交
する２方向に可撓性を有して形成される。このため、本
発明に係るバッテリ装置によれば、接続導体が何らかの
衝撃を受けて変形した際にも、この変形が吸収され易
く、該接続導体に接続される電池セルの端子部分に加わ
る応力を低減し、電解液の漏液等の電池セルの故障が防
止される。In the battery device according to the present invention having the above-described structure, a plurality of battery cells are connected by two connecting members and a connecting member connecting the connecting members in a direction orthogonal to the connecting members. By connecting with a conductor, it is formed to have flexibility in two orthogonal directions. Therefore, according to the battery device of the present invention, even when the connection conductor is deformed by receiving some impact, the deformation is easily absorbed, and the stress applied to the terminal portion of the battery cell connected to the connection conductor is reduced. This reduces the battery cell failure such as electrolyte leakage.

【００１０】[0010]

【発明の実施の形態】以下、本発明に係るバッテリ装置
の具体的な実施の形態について、図面を参照しながら詳
細に説明する。図１に示すバッテリ装置１は、自動車に
搭載され、該自動車の内燃機関を駆動するモータ等の電
源となるものである。DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, specific embodiments of a battery device according to the present invention will be described in detail with reference to the drawings. The battery device 1 shown in FIG. 1 is mounted on a vehicle and serves as a power source for a motor or the like that drives an internal combustion engine of the vehicle.

【００１１】バッテリ装置１は、後述する複数個の円筒
型の電池セルからなるセルユニットを収納するセルケー
ス２に、サイドカバー３，４とフロントカバー５とが取
り付けられてなる。バッテリ装置１には、該バッテリ装
置１の、具体的にはバッテリ装置１に収納される電池セ
ルの情報を外部、すなわち自動車側のバッテリコントロ
ーラとやりとりするための通信コネクタ６と、充電及び
放電のための負極外部端子７及び正極外部端子８とが設
けられている。The battery device 1 has side covers 3, 4 and a front cover 5 attached to a cell case 2 for accommodating a cell unit composed of a plurality of cylindrical battery cells described later. The battery device 1 includes a communication connector 6 for exchanging information of the battery cells of the battery device 1, specifically, battery cells housed in the battery device 1 with an external battery controller on the vehicle side, A negative external terminal 7 and a positive external terminal 8 are provided.

【００１２】セルケース２は、同図及び図２に示すよう
に、２つのケース半体９，１０が互いに並列状態に重ね
合わされ、これらが接合されて構成される。セルケース
２を構成するケース半体９，１０は、機械的剛性、耐化
学特性、耐熱性等を有する、例えばポリエチレンテレフ
タレート樹脂や、アクリロニトリルブタジエンスチレン
樹脂、ポリアミド樹脂、ポリプロピレン樹脂、ポリカー
ボネート樹脂等の適宜の合成樹脂材料を材料として成形
される。As shown in FIG. 1 and FIG. 2, the cell case 2 is constituted by two case halves 9, 10 superimposed on each other in a parallel state and joined together. The case halves 9 and 10 constituting the cell case 2 have mechanical rigidity, chemical resistance, heat resistance, and the like. Molded using the synthetic resin material of the above.

【００１３】ケース半体９，１０は、それぞれ一方側面
９ａ，１０ａが開放された矩形の箱状に成形され、これ
ら開放された側面９ａ，１０ａ同士が突き合わされ、熱
溶着によって接合一体化される。バッテリ装置１におい
ては、ケース半体９，１０を熱溶着によって接合一体化
してセルケース２を構成することで、ケース半体９，１
０同士をネジ止めしてセルケース２を構成する場合に比
し、組立工数が減少するとともに、メンテナンス時等に
おける解体容易性も向上する。Each of the case halves 9, 10 is formed in a rectangular box shape with one side surface 9a, 10a opened, and the opened side surfaces 9a, 10a are abutted with each other and joined and integrated by heat welding. . In the battery device 1, the case halves 9, 1 are formed by joining and integrating the case halves 9, 10 by heat welding to form the cell case 2.
Compared to the case where the cell case 2 is formed by screwing the 0s together, the number of assembling steps is reduced and the ease of disassembly at the time of maintenance or the like is improved.

【００１４】ケース半体９，１０には、開放された側面
９ａ，１０ａの反対側面９ｂ，１０ｂに、セルユニット
を構成する電池セルの端面を露出させる複数の開口部１
１がそれぞれ形成されている。開口部１１は、高さ方向
に４段、長手方向に５列、合計２０個が略等間隔に並ぶ
ように形成されている。開口部１１は、セルケース２内
からの電池セルの脱落の防止等のため、電池セル収納時
に側面９ｂ，１０ｂの内面側に電池セルの端面側が当接
するように電池セルの外径に比してやや小径に形成され
る。In the case halves 9, 10, a plurality of openings 1 for exposing the end faces of the battery cells constituting the cell unit are formed on the side faces 9b, 10b opposite to the open side faces 9a, 10a.
1 are formed respectively. The openings 11 are formed in four stages in the height direction and five rows in the longitudinal direction, and a total of 20 openings 11 are arranged at substantially equal intervals. In order to prevent the battery cell from dropping out of the cell case 2, the opening 11 is slightly smaller than the outer diameter of the battery cell so that the end face of the battery cell abuts on the inner surface of the side surfaces 9 b and 10 b when the battery cell is stored. And small diameter.

【００１５】また、ケース半体９，１０には、側面９
ｂ，１０ｂの内方側に、側面９ａ，１０ａ側まで達する
複数本のリブ１２が、高さ方向の中央、具体的には高さ
方向に４個形成された開口部１１のうち上側から２段目
と３段目の開口部１１の間に複数本形成されている。リ
ブ１２は、後述するように、異電位の電池セル間の仕切
となる。The case halves 9, 10 have side faces 9
A plurality of ribs 12 reaching the side surfaces 9a and 10a are located on the inner side of the b and 10b, and two ribs 12 from the upper side of the opening 11 formed in the center in the height direction, specifically, four in the height direction. A plurality of openings are formed between the opening 11 of the third stage and the third stage. The ribs 12 serve as partitions between battery cells of different potentials, as described later.

【００１６】さらに、ケース半体９，１０には、側面９
ｂ，１０ｂにサイドカバー３，４を位置決めしてネジ止
めするための複数個のネジ取付部１３が設けられる。The case halves 9 and 10 have side faces 9
A plurality of screw mounting portions 13 for positioning and fixing the side covers 3 and 4 with screws are provided at b and 10b.

【００１７】また、ケース半体９，１０は、側面９ｂ，
１０ｂの外周に沿って立ち上がる周壁が、それぞれ天面
９ｃ，１０ｃ、底面９ｄ，１０ｄ、背面９ｅ，１０ｅ及
び前面９ｆ，１０ｆを構成する。ケース半体９，１０
は、上述した周壁の内面側が、セルケース２内に収納さ
れる電池セル収納時の位置決めを容易にするために、開
口部１１の位置に合わせて電池セルの形状の一部に沿う
ように、連続した複数の円弧状を呈して形成されてい
る。また、これら周壁のうち天面９ｃ，１０ｃ、底面９
ｄ，１０ｄ及び背面９ｅ，１０ｅには、セルケース２内
に空気を流入させ、該セルケース２に収納される電池セ
ルを冷却する冷却孔１４が複数形成されている。The case halves 9 and 10 have side surfaces 9b and
The peripheral walls rising along the outer periphery of 10b constitute top surfaces 9c, 10c, bottom surfaces 9d, 10d, back surfaces 9e, 10e, and front surfaces 9f, 10f, respectively. Case halves 9, 10
In order to facilitate positioning when the battery cells housed in the cell case 2 are housed, the inner surface side of the above-mentioned peripheral wall follows a part of the shape of the battery cells in accordance with the position of the opening 11. It is formed to have a plurality of continuous arc shapes. In addition, the top surfaces 9c, 10c and the bottom surface 9
A plurality of cooling holes 14 for allowing air to flow into the cell case 2 and cooling battery cells housed in the cell case 2 are formed in d, 10d and the back surfaces 9e, 10e.

【００１８】また、ケース半体９，１０には、前面９
ｆ，１０ｆ側にフロントカバー５をネジ止めするための
ネジ取付部１５が、また後述するセルコントロール基板
をネジ止めするための、上述したネジ取付部１５に比し
てやや小さいネジ取付部１６がそれぞれ設けられてい
る。また、ケース半体９，１０には、前面９ｆ，１０ｆ
側に後述するヒューズを取り付けるためのヒューズ取付
部１７がそれぞれ設けられている。The case halves 9 and 10 have a front surface 9.
A screw mounting portion 15 for screwing the front cover 5 to the f and 10f sides, and a screw mounting portion 16 for screwing a cell control board described later, which is slightly smaller than the screw mounting portion 15 described above, respectively. Is provided. The case halves 9 and 10 have front faces 9f and 10f, respectively.
A fuse mounting portion 17 for mounting a later-described fuse is provided on each side.

【００１９】上述したケース半体９，１０により構成さ
れるセルケース２には、複数個の、具体的にはセルケー
ス２に形成された開口部１１の配列と同様に、縦に４
個、横に５個横置きにして多段状に並べられた、計２０
個の電池セル１８からなるセルユニット１９が収納され
る。これら電池セル１８は、横方向に隣接する電池セル
１８の正極と負極とが交互になるような向きに、また天
面９ｃ，１０ｃ側から１段目と２段目とに並べられる電
池セル１８、及び３段目と４段目とに並べられる電池セ
ル１８の端子同士が同じ向きとなるように配列される。
このとき、２段目と３段目とに配列される電池セル１８
は、縦方向に異電位の電池セル１８が隣接することとな
るが、上述したセルケース半体９，１０に設けられたリ
ブ１２でこれら電池セル１８間を仕切ることによってバ
ッテリ装置１の安全性を向上させることができる。な
お、バッテリ装置１においては、電池セル１８の負極端
子部材１８ｂ及び正極端子部材１８ｃが露出するケース
半体９，１０の側面９ｂ，１０ｂのリブ１２と同位置
に、露出する端子部材間を仕切る仕切部材を設けてもよ
い。The cell case 2 composed of the above-mentioned case halves 9 and 10 has a length of 4 in the same manner as the arrangement of the plurality of openings 11, specifically, the openings 11 formed in the cell case 2.
Pieces, 5 pieces horizontally and arranged in multiple stages, totaling 20
A cell unit 19 including the battery cells 18 is stored. The battery cells 18 are arranged in such a manner that the positive electrode and the negative electrode of the laterally adjacent battery cells 18 are alternately arranged, and are arranged in the first and second stages from the top surfaces 9c and 10c. , And the terminals of the battery cells 18 arranged in the third and fourth stages are arranged in the same direction.
At this time, the battery cells 18 arranged in the second and third stages
Is that the battery cells 18 having different electric potentials are adjacent to each other in the vertical direction, but the ribs 12 provided on the cell case halves 9 and 10 separate the battery cells 18 so that the safety of the battery device 1 is improved. Can be improved. In the battery device 1, the exposed terminal members are partitioned at the same positions as the ribs 12 of the side surfaces 9b and 10b of the case halves 9, 10 where the negative electrode terminal members 18b and the positive electrode terminal members 18c of the battery cells 18 are exposed. A partition member may be provided.

【００２０】セルユニット１９を構成する各電池セル１
８は、例えばリチウムイオン二次電池であり、詳細は省
略するが長尺シート状の正極材と負極材とをセパレータ
を介して重ね合わせた状態で巻回し、これを電解液を充
填した円筒状の外装缶１８ａ内に装填して構成される。
電池セル１８は、負極材が接続された外装缶１８ａの一
方端面側に円筒状の負極端子部材１８ｂが取り付けられ
て負極とされる。また、電池セル１８は、外装缶１８ａ
の他方端面に円筒状の立ち上がり部を有する正極端子部
材１８ｃがガスケットを介して組み付けられて正極とさ
れる。Each battery cell 1 constituting the cell unit 19
Reference numeral 8 denotes, for example, a lithium ion secondary battery. Although not described in detail, a long sheet-shaped positive electrode material and a negative electrode material are wound in a state of being overlapped with a separator interposed therebetween, and this is wound into a cylindrical shape filled with an electrolytic solution. Is loaded in the outer can 18a.
The battery cell 18 is formed as a negative electrode by attaching a cylindrical negative electrode terminal member 18b to one end surface of an outer can 18a to which a negative electrode material is connected. In addition, the battery cell 18 includes an outer can 18a.
A positive electrode terminal member 18c having a cylindrical rising portion on the other end face is assembled via a gasket to form a positive electrode.

【００２１】各電池セル１８は、両端面に環状パッキン
２０が貼り付けられてセルケース２に収納される。環状
パッキン２０は、その外形形状が開口部１１の開口面積
よりも大きく形成され、略中央の孔部２０ａに電池セル
１８の負極端子部材１８ｂ又は正極端子部材１８ｃが挿
通される。電池セル１８は、環状パッキン２０が両端面
に貼り付けられた状態でセルケース２に収納され、上述
したように電池セル１８の端面がセルケース２の、具体
的にはセルケース半体９，１０の側面９ｂ，１０ｂの内
面に突き当てられることで、セルケース２の内部と開口
部１１において露出する端子部分とのシーリングを図る
ことができる。このため、各電池セル１８は、例えば冷
却孔１４等からセルケース２内に進入する水に対して、
端子部分の水密性が確保される。Each battery cell 18 is housed in the cell case 2 with an annular packing 20 attached to both end surfaces. The outer shape of the annular packing 20 is formed to be larger than the opening area of the opening 11, and the negative electrode terminal member 18b or the positive electrode terminal member 18c of the battery cell 18 is inserted into the substantially central hole 20a. The battery cell 18 is housed in the cell case 2 with the annular packing 20 attached to both end surfaces. As described above, the end surface of the battery cell 18 is the cell case 2, specifically, the cell case half 9, By abutting against the inner surfaces of the side surfaces 9 b and 10 b of the ten, sealing between the inside of the cell case 2 and the terminal portion exposed at the opening 11 can be achieved. For this reason, each battery cell 18 responds to water entering the cell case 2 through the cooling holes 14 and the like, for example.
Watertightness of the terminal portion is ensured.

【００２２】なお、電池セル１８の端子部分の水密性を
確保するために、上述した環状パッキン２０ではなくＯ
リングを電池セル１８の両端面に取り付けてもよく、ま
たセルケース２内に電池セル１８を組み込んだ後に、開
口部１１から露出する電池セル１８とセルケース２との
間に液状ゴム等の接着剤を塗布してもよい。In order to ensure the watertightness of the terminal portion of the battery cell 18, not the above-mentioned annular packing 20 but O
A ring may be attached to both end surfaces of the battery cell 18, and after the battery cell 18 is assembled in the cell case 2, a liquid rubber or the like is adhered between the battery cell 18 exposed from the opening 11 and the cell case 2. An agent may be applied.

【００２３】セルケース２に収納されたセルユニット１
９は、図２及び図３に示すように、各電池セル１８がバ
スバーと呼ばれる接続導体により接続される。バッテリ
装置１においては、２０個の電池セル１８が２個ずつ並
列に接続されかつそれらが１０組直列に接続される、い
わゆる２並列１０直列の状態に接続される。Cell unit 1 housed in cell case 2
9, as shown in FIGS. 2 and 3, each battery cell 18 is connected by a connection conductor called a bus bar. In the battery device 1, 20 battery cells 18 are connected in parallel two by two, and 10 sets of them are connected in series, that is, connected in a so-called 2-parallel 10-series state.

【００２４】バスバー２１は、一対の電池セル１８を接
続する２個の接続部材２２，２２と、これら接続部材２
２，２２間をさらに連結する連結部材２３とにより構成
されている。バスバー２１には、電気抵抗が小さく、ま
た損失が抑えられる銅板にニッケルメッキを施したもの
が使用される。なお、バスバー２１には、上述したよう
な銅以外にも、例えばアルミニウムや、流す電流が少な
ければニッケル、鉄等の他の金属材料を使用することも
できる。The bus bar 21 includes two connecting members 22 for connecting the pair of battery cells 18, and these connecting members 2.
And a connecting member 23 that further connects between the two. The bus bar 21 is made of a copper plate having a small electric resistance and a reduced loss, which is plated with nickel. For the bus bar 21, besides copper as described above, for example, aluminum or other metal materials such as nickel and iron if a small amount of current flows can be used.

【００２５】接続部材２２，２２には、電池セル１８の
負極端子部材１８ｂ又は正極端子部材１８ｃが嵌合され
かつ溶接等により接続される２個の円筒部２２ａ，２２
ｂがそれぞれ形成されている。この円筒部２２ａ，２２
ｂに接続された電池セル１８は、図４（ａ）に示すよう
に、直列接続とされる。これら円筒部２２ａ，２２ｂ間
には、該円筒部２２ａ，２２ｂと略同等の高さまで金属
板が張り出して形成された張出し部２２ｃが設けられ
る。The connection member 22 has two cylindrical portions 22a, 22 with which the negative electrode terminal member 18b or the positive electrode terminal member 18c of the battery cell 18 is fitted and connected by welding or the like.
b are formed respectively. The cylindrical portions 22a, 22
The battery cells 18 connected to “b” are connected in series as shown in FIG. An extended portion 22c is formed between the cylindrical portions 22a and 22b. The extended portion 22c is formed by extending a metal plate to approximately the same height as the cylindrical portions 22a and 22b.

【００２６】連結部材２３は、略中央部において折曲さ
れかつ接続部材２２，２２に比して幅狭に形成され、接
続部材２２，２２に設けられた張出し部２２ｃ間を、こ
れら接続部材２２，２２の長手方向と直交する向きに連
結する。この連結部材２３は、図４（ａ）に示すよう
に、上述した２個の接続部材２２，２２間を並列に接続
する。The connecting member 23 is bent at a substantially central portion and formed to be narrower than the connecting members 22, 22, and extends between the projecting portions 22 c provided on the connecting members 22, 22. , 22 in a direction orthogonal to the longitudinal direction. As shown in FIG. 4A, the connecting member 23 connects the above-described two connecting members 22, 22 in parallel.

【００２７】バスバー２１は、２個の電池セル１８間を
直列接続する円筒部２２ａ，２２ｂ間に張出し部２２ｃ
が設けられたこと、及びこの張出し部２２ｃ間を折曲し
た連結部材２３で連結したことで、直交する２方向、具
体的には図４（ｂ）中矢印Ａ及び矢印Ｂ方向に可撓性を
有する構造とされる。このように、バスバー２１は、２
方向に可撓性を有する構造とすることで、バッテリ装置
１に衝撃が加えられた場合に生じる変形を吸収し易くな
り、円筒部２２ａ，２２ｂに接続された電池セル１８の
端子部分に加えられる負荷を低減し、電池セル１８から
の電解液の漏液等電池セル１８の故障を防止する。The bus bar 21 has an extended portion 22c between the cylindrical portions 22a and 22b for connecting the two battery cells 18 in series.
Is provided, and the projecting portions 22c are connected by a bent connecting member 23, so that the flexible portions are flexible in two orthogonal directions, specifically, in the directions of arrows A and B in FIG. 4B. Is provided. Thus, the bus bar 21
With a structure having flexibility in the direction, it becomes easy to absorb the deformation generated when an impact is applied to the battery device 1, and is applied to the terminal portion of the battery cell 18 connected to the cylindrical portions 22a, 22b. The load is reduced, and failure of the battery cell 18 such as leakage of the electrolyte from the battery cell 18 is prevented.

【００２８】また、バスバー２１は、電流が流れる際に
発熱する。例えばバスバー２１で図４（ｂ）に示す電池
セル１８Ｘ，１８Ｘ’間及び電池セル１８Ｙ，１８Ｙ’
間を並列に、これら電池セル１８Ｘ，１８Ｘ’間と電池
セル１８Ｙ，１８Ｙ’間とを直列に接続して３００Ａの
電流を流す場合には、電池セル１８Ｘ，１８Ｙ間で１５
０Ａの電流が、電池セル１８Ｘ’，１８Ｙ’間で１５０
Ａの電流が同図中矢印Ｃ方向に流れる。このため、電池
セル１８Ｘ，１８Ｙ間及び電池セル１８Ｘ’，１８Ｙ’
間を繋ぐ接続部材２２，２２は、発熱に対する放熱特性
を考慮して幅広に形成して、放熱のための表面積を確保
する必要がある。これに対し、接続部材２２，２２間を
繋ぐ連結部材２３は、電池セル１８Ｘ，１８Ｘ’間及び
電池セル１８Ｙ，１８Ｙ’間を並列に接続するものであ
り、個々の電池セル１８の性能のバラツキにより発生す
る差分電流、具体的には総電流の数％程度の電流しか流
れない。このため、バスバー２１においては、連結部材
２３が接続部材２２，２２ほど発熱せず、これら接続部
材２２，２２に比して幅狭に形成しても、大電流が流れ
発熱の大きい部分を幅広に形成することで、電流を流す
際に生じる発熱の放熱性を良好に確保することができ
る。The bus bar 21 generates heat when current flows. For example, the bus bar 21 connects between the battery cells 18X and 18X 'and the battery cells 18Y and 18Y' shown in FIG.
When a current of 300 A flows by connecting the battery cells 18X and 18X 'in series and the battery cells 18Y and 18Y' in series, and a current of 300 A flows between the battery cells 18X and 18Y ',
The current of 0 A is set to 150 between the battery cells 18X 'and 18Y'.
A current flows in the direction of arrow C in FIG. Therefore, between the battery cells 18X and 18Y and between the battery cells 18X 'and 18Y'.
It is necessary to form the connection members 22 and 22 that connect them to be wide in consideration of the heat radiation characteristics with respect to heat generation and to secure a surface area for heat radiation. On the other hand, the connecting member 23 that connects the connecting members 22 and 22 connects the battery cells 18X and 18X 'and the battery cells 18Y and 18Y' in parallel, and the performance of the individual battery cells 18 varies. , Specifically, only about several percent of the total current flows. For this reason, in the bus bar 21, the connecting member 23 does not generate heat as much as the connecting members 22, 22. Even if the connecting member 23 is formed to be narrower than the connecting members 22, 22, a large current flows and a portion generating large heat is widened. In this case, good heat dissipation of heat generated when a current flows can be ensured.

【００２９】また、セルケース半体９，１０の側面９
ｅ，１０ｅ側に配置された電池セル１８は、一直線上に
配置され、１段目と２段目、及び３段目と４段目の電池
セル１８が並列に接続されるとともに、これら並列に接
続された２組の電池セル１８間が直列に接続される。こ
のため、これら４個の電池を接続するバスバー２４は、
同図に示すように円筒部２４ａ乃至２４ｄが一直線上に
形成されている。このようなバスバー２４においても、
円筒部２４ａ乃至円筒部２４ｄ間には張出し部２４ｅが
それぞれ設けられて可撓性を有する構造とされる。ま
た、バスバー２４は、流れる電流の量に応じて、すなわ
ち電池セル１８を直列に接続する円筒部２４ｂ，２４ｃ
間が、並列に接続する円筒部２４ａ，２４ｂ間及び円筒
部２４ｃ，２４ｄ間に比して大きな表面積に形成され
る。このため、バスバー２１は、外部からの衝撃により
変形した場合にもこの変形を吸収し易くなり、電池セル
１８に加える負荷を低減させて故障を防止することがで
きるとともに、電流を流す際に生じる発熱の放熱性を良
好に確保することができる。Also, the side surfaces 9 of the cell case halves 9, 10
The battery cells 18 arranged on the sides e and 10e are arranged in a straight line, and the first and second tiers, and the third and fourth tiers of the battery cells 18 are connected in parallel. The two connected battery cells 18 are connected in series. Therefore, the bus bar 24 connecting these four batteries is
As shown in the figure, cylindrical portions 24a to 24d are formed on a straight line. Even in such a bus bar 24,
Protruding portions 24e are provided between the cylindrical portions 24a to 24d, respectively, to have a flexible structure. Further, the bus bar 24 has cylindrical portions 24b and 24c that connect the battery cells 18 in series according to the amount of flowing current.
The space is formed with a larger surface area than between the cylindrical portions 24a and 24b and between the cylindrical portions 24c and 24d connected in parallel. Therefore, even when the bus bar 21 is deformed by an external impact, the bus bar 21 can easily absorb the deformation, reduce the load applied to the battery cell 18, prevent the failure, and generate the current when the current flows. Good heat dissipation can be ensured.

【００３０】上述した電池セル１８を接続するバスバー
２１，２４には、各電池セル１８の電圧検出用のセンシ
ング線２５と、温度検出用の温度センサ２６が取り付け
られ、これらの検出結果が後述するセルコントロール基
板に出力される。The bus bars 21 and 24 connecting the above-mentioned battery cells 18 are provided with a sensing line 25 for detecting the voltage of each battery cell 18 and a temperature sensor 26 for detecting the temperature, and the detection results thereof will be described later. Output to the cell control board.

【００３１】セルユニット１９は、負極側の終端の電池
セル１８が、バッテリ装置１の安全性を高めるべくヒュ
ーズ２７を介して第１の負極終端用バスバー２８及び第
２の負極終端用バスバー２９によって負極外部端子７と
接続される。In the cell unit 19, the battery cell 18 on the negative terminal side is connected to the first negative terminal bus bar 28 and the second negative terminal bus bar 29 via the fuse 27 in order to enhance the safety of the battery device 1. Connected to negative external terminal 7.

【００３２】第１の負極終端用バスバー２８は、終端の
電池セル１８とヒューズ２７とを接続するものであり、
図５（ａ）及び同図（ｂ）に示すように、２本の終端の
電池セル１８の負極端子部材１８ｂが嵌合される２つの
円筒部３０が形成されるとともに、ヒューズ２７ととも
にヒューズ取付部１７にネジ止めされるネジ穴３１が形
成されている。第１の負極終端用バスバー２８は、電池
セル１８へのモーメントを低減させるため、セルカバー
２の形状に合わせて折曲形成されている。また、第１の
負極終端用バスバー２８は、発熱を抑えるために板厚が
途中で変化、具体的には例えば同図（ｃ）中の厚さｂが
０．６ｍｍに、厚さｃが１．２ｍｍとなるように形成さ
れている。なお、図５（ｂ）は第１の負極終端用バスバ
ー２８を同図（ａ）中矢印ａ１方向から見た図であり、
同図（ｃ）は同図（ａ）中矢印ａ２方向から見た図であ
る。The first negative terminal bus bar 28 connects the terminal battery cell 18 and the fuse 27.
As shown in FIGS. 5 (a) and 5 (b), two cylindrical portions 30 into which the negative electrode terminal members 18b of the two terminal battery cells 18 are fitted are formed, and a fuse is attached together with the fuse 27. A screw hole 31 to be screwed to the portion 17 is formed. The first negative-electrode terminating bus bar 28 is bent in accordance with the shape of the cell cover 2 in order to reduce the moment applied to the battery cell 18. In addition, the first negative-electrode terminating bus bar 28 changes its thickness in the middle to suppress heat generation. Specifically, for example, the thickness b in FIG. .2 mm. FIG. 5B is a diagram of the first negative-electrode terminating bus bar 28 viewed from the direction of arrow a1 in FIG.
FIG. 3C is a view as seen from the direction of the arrow a2 in FIG.

【００３３】第２の負極終端用バスバー２９は、ヒュー
ズ２７と負極外部端子７を接続するためのものであり、
ヒューズ２７を介してヒューズ取付部１７にネジ止めす
るためのネジ孔３２と、負極外部端子７がネジ止めされ
るネジ孔３３が形成されている。The second negative terminal bus bar 29 is for connecting the fuse 27 to the negative external terminal 7.
A screw hole 32 for screwing to the fuse mounting portion 17 via the fuse 27 and a screw hole 33 for screwing the negative electrode external terminal 7 are formed.

【００３４】また、セルユニット１９は、正極側の終端
の電池セル１８と正極側外部端子８とが正極終端用バス
バー３４によって接続される。正極終端用バスバー３４
は、図６（ａ）及び（ｂ）に示すように、終端の電池セ
ル１８の正極端子部材１８ｃが嵌合される２つの円筒部
３５が形成されるとともに、正極外部端子８がネジ止め
されるネジ穴３６が形成されている。正極終端用バスバ
ー３４は、電池セル１８へのモーメントを低減させるた
め、セルカバー２の形状に合わせて折曲形成されてい
る。また、正極終端用バスバー３４は、発熱を抑えるた
めに板厚が途中で変化、具体的には例えば同図（ｂ）中
の厚さｅが０．６ｍｍに、厚さｆが１．２ｍｍとなるよ
うに形成されている。なお、図６（ｂ）は、正極終端用
バスバー３４を同図（ａ）中矢印ｄ方向から見た図であ
る。In the cell unit 19, the positive terminal battery cell 18 and the positive external terminal 8 are connected by a positive terminal bus bar 34. Bus bar 34 for positive terminal
As shown in FIGS. 6A and 6B, two cylindrical portions 35 into which the positive terminal member 18c of the terminal battery cell 18 is fitted are formed, and the positive external terminal 8 is screwed. Screw holes 36 are formed. The positive terminal bus bar 34 is bent in accordance with the shape of the cell cover 2 in order to reduce the moment applied to the battery cell 18. The thickness of the positive terminal bus bar 34 changes in the middle to suppress heat generation. Specifically, for example, the thickness e in FIG. It is formed so that it becomes. FIG. 6B is a view of the positive-electrode terminating bus bar 34 viewed from the direction of arrow d in FIG. 6A.

【００３５】上述したように終端用のバスバーとヒュー
ズ２７又は外部端子との接続は、ネジ止めにより行われ
るため解体が容易であり、バッテリ装置１のメンテナン
ス性を向上させることができる。なお、ヒューズ取付部
１７の一方、具体的にはケース半体９に形成されるヒュ
ーズ取付部１７には、第１の負極終端バスバー２７と正
極終端バスバー３４との接触を防止する隔壁３７が形成
され、バッテリ装置１において発生する内部ショートを
抑制して安全性を向上させている。As described above, the connection between the bus bar for termination and the fuse 27 or the external terminal is made by screwing, so that disassembly is easy and the maintainability of the battery device 1 can be improved. A partition wall 37 for preventing contact between the first negative terminal bus bar 27 and the positive terminal bus bar 34 is formed on one of the fuse mounting portions 17, specifically, on the fuse mounting portion 17 formed on the case half 9. Thus, the internal short circuit occurring in the battery device 1 is suppressed to improve safety.

【００３６】サイドカバー３，４及びフロントカバー５
は、セルケース２を構成するケース半体９，１０と同様
に機械的剛性、耐化学特性、耐熱性等を有する、例えば
ポリエチレンテレフタレート樹脂や、アクリロニトリル
ブタジエンスチレン樹脂、ポリアミド樹脂、ポリプロピ
レン樹脂、ポリカーボネート樹脂等の適宜の合成樹脂材
料を材料として成形される。Side covers 3, 4 and front cover 5
Has mechanical rigidity, chemical resistance, heat resistance, etc., similar to the case halves 9 and 10 constituting the cell case 2, for example, polyethylene terephthalate resin, acrylonitrile butadiene styrene resin, polyamide resin, polypropylene resin, polycarbonate resin Etc. are molded using a suitable synthetic resin material as a material.

【００３７】サイドカバー３，４は、開口部１１から電
池セルの負極端子部材１８ｂ又は正極端子部材１８ｃが
外部に臨むセルケース２の、具体的には該セルケース２
を構成するセルケース半体９，１０の側面９ｂ，１０ｂ
に対して、絶縁板３８とＯリング３９とを介して取り付
けられる。絶縁板３８は、事故等の衝撃によりサイドカ
バー３，４にクラックが生じた場合でも、電池セル１８
の端子部分やこれらを接続するバスバー２１，２４が露
出することを防止して、修理時等の感電事故を減少さ
せ、バッテリ装置１の安全性を向上させる。また、Ｏリ
ング３９は、セルケース２とサイドカバー３，４との間
のシーリングを図り、バッテリ装置１の外部からの雨水
等に対して電池セル１８相互の接続部分における水密性
を確保する。バッテリ装置１は、セルケース２とサイド
カバー３，４とのシーリングをＯリング３９によって行
うことにより、解体後も簡単に再取り付け可能であり、
再組立後においても防水性を確保することができる。The side covers 3 and 4 are provided in the cell case 2 in which the negative electrode terminal member 18 b or the positive electrode terminal member 18 c of the battery cell faces the outside through the opening 11, specifically, the cell case 2.
9b, 10b of cell case halves 9, 10 constituting
, Via an insulating plate 38 and an O-ring 39. The insulating plate 38 can prevent the battery cells 18 from cracking even when cracks occur in the side covers 3 and 4 due to the impact of an accident or the like.
To prevent the terminal portions and the bus bars 21 and 24 connecting them from being exposed, to reduce electric shock accidents at the time of repair or the like, and to improve the safety of the battery device 1. In addition, the O-ring 39 ensures sealing between the cell case 2 and the side covers 3 and 4, and secures water tightness at a connection portion between the battery cells 18 against rainwater or the like from outside the battery device 1. By sealing the cell case 2 and the side covers 3 and 4 with the O-ring 39, the battery device 1 can be easily re-attached even after disassembly.
Water resistance can be ensured even after reassembly.

【００３８】フロントカバー５は、図２に示すように、
絶縁板４１とシートパッキン４２とを介してセルケース
２の正面部分を構成するセルケース半体９，１０の前面
９ｆ，１０ｆに配設されるセルコントロール基板４３を
覆うように取り付けられる。絶縁板４３は、事故等の衝
撃によりフロントカバー５にクラックが生じた場合で
も、電池セル１８の終端端子や、セルコントロール基板
４３が露出することを防止し、修理時等の感電事故を減
少させてバッテリ装置１の安全性を向上させる。また、
シートパッキン４２は、セルケース２とフロントカバー
５との間のシーリングを図り、バッテリ装置１の外部か
らの雨水等に対して電池セル１８の終端端子と外部端子
との接続部分やセルコントロール基板４３の水密性を確
保することができる。The front cover 5 is, as shown in FIG.
The cell control board 43 is mounted on the front surfaces 9 f and 10 f of the cell case halves 9 and 10 constituting the front portion of the cell case 2 via the insulating plate 41 and the sheet packing 42. The insulating plate 43 prevents the terminal terminal of the battery cell 18 and the cell control board 43 from being exposed even when a crack occurs in the front cover 5 due to an impact such as an accident, and reduces an electric shock accident at the time of repair or the like. Thus, the safety of the battery device 1 is improved. Also,
The seat packing 42 seals between the cell case 2 and the front cover 5, and connects a terminal portion of the battery cell 18 to an external terminal and a cell control board 43 against rainwater or the like from the outside of the battery device 1. Watertightness can be secured.

【００３９】ここで、フロントカバー５により保護され
るセルコントロール基板４３は、第１の負極終端用バス
バー２８との接触を防止する絶縁板４４を介してセルケ
ース２にのネジ取付部１６にネジ止めされる。コントロ
ール基板４３は、上述したようにバスバー２１，２４に
取り付けられたセンシング線２５、温度センサ２６から
各電池セル１８の電圧値や表面温度を検出し、２０個の
電池セル１８を最適な状態にコントロールする。セルコ
ントロール基板４３からは、上述した外部のバッテリコ
ントローラと接続される通信コネクタ６が引き出されて
いる。Here, the cell control board 43 protected by the front cover 5 is screwed to the screw mounting portion 16 of the cell case 2 via an insulating plate 44 for preventing contact with the first negative terminal bus bar 28. Be stopped. The control board 43 detects the voltage value and the surface temperature of each battery cell 18 from the sensing wire 25 and the temperature sensor 26 attached to the bus bars 21 and 24 as described above, and optimizes the 20 battery cells 18. Control. From the cell control board 43, a communication connector 6 connected to the above-described external battery controller is drawn out.

【００４０】また、フロントカバー５には、バッテリ装
置１の持ち運び等の際の取っ手となる把持部４５が形成
されている。The front cover 5 is formed with a grip 45 serving as a handle for carrying the battery device 1 or the like.

【００４１】上述したサイドカバー３，４は、セルケー
ス２に対して、セルケース２の側面部分を構成するケー
ス半体９，１０の側面９ｂ，１０ｂに形成されたネジ取
付部１３と、該サイドカバー３，４に形成されたネジ孔
４０とが位置決めされ、ネジ止めされて取り付けられ
る。また、フロントカバー５も同様に、セルケース２の
正面部分を構成するケース半体９，１０の前面９ｆ，１
０ｆに形成されたネジ取付部１５と、該フロントカバー
５に形成されたネジ孔４６とが位置決めされて、ネジ止
めされ取り付けられる。バッテリ装置１は、上述したよ
うにセルケース２と、サイドカバー３，４及びフロント
カバー５との接続をネジ止めで行うことにより、解体後
の再組立等が容易になりメンテナンス性が向上する。ま
た、バッテリ装置１は、部品点数が少なく、ケース半体
９，１０同士の接合方法も簡易なため、解体、組立時間
が短縮でき、メンテナンス性が向上する。The above-mentioned side covers 3 and 4 are provided with screw mounting portions 13 formed on the side surfaces 9 b and 10 b of the case halves 9 and 10 constituting the side portions of the cell case 2 with respect to the cell case 2. The screw holes 40 formed in the side covers 3 and 4 are positioned, screwed and attached. Similarly, the front cover 5 also includes the front surfaces 9f, 1 of the case halves 9, 10 constituting the front portion of the cell case 2.
The screw mounting portion 15 formed at 0f and the screw hole 46 formed at the front cover 5 are positioned, screwed and mounted. As described above, by connecting the cell case 2, the side covers 3, 4 and the front cover 5 by screws, the battery device 1 can be easily reassembled after disassembly and the maintenance is improved. In addition, the battery device 1 has a small number of parts and a simple joining method of the case halves 9 and 10, so that disassembling and assembling time can be reduced, and maintainability is improved.

【００４２】なお、バッテリ装置１においては、セルケ
ース半体９，１０を熱溶着によって接合一体化し、セル
ケース２を構成することとしたがこのような構成に限定
するものではない。バッテリ装置１は、セルケース半体
９，１０をネジ止めによって接合一体化してもよい。In the battery device 1, the cell case halves 9, 10 are joined and integrated by heat welding to form the cell case 2, but the present invention is not limited to such a structure. In the battery device 1, the cell case halves 9, 10 may be joined and integrated by screwing.

【００４３】また、上述したバッテリ装置１において
は、２つのセルケース半体９，１０を接合一体化してセ
ルケース２を構成したがこのような構成に限定するもの
ではない。例えば、図７に示すバッテリ装置５１の如
く、一体型のセルケース５２を用いてもよい。以下、一
体型のセルケース５２が用いられたバッテリ装置５１に
ついて説明するが、上述したバッテリ装置１と同じ部材
については同一符号を付し、詳しい説明は省略するもの
とする。In the above-described battery device 1, the two cell case halves 9, 10 are joined and integrated to form the cell case 2, but the present invention is not limited to such a structure. For example, an integrated cell case 52 such as a battery device 51 shown in FIG. 7 may be used. Hereinafter, the battery device 51 using the integrated cell case 52 will be described. However, the same members as those of the above-described battery device 1 are denoted by the same reference numerals, and detailed description thereof will be omitted.

【００４４】バッテリ装置５１は、同図に示すように、
２０個の電池セル１８からなるセルユニット１９がセル
ケース５２に収納される。セルケース５２は、略矩形の
筒状を呈してなり、側面５２ａ，５２ｂに電池セル１８
に取り付けられた円筒状の負極端子部材１８ｂ及び正極
端子部材１８ｃをケースの外部に露出させる開口部１１
が形成されている。また、セルケース５２には、開放さ
れた部位に冷却孔１４が形成された天板５３及び底板５
４が取り付けられる。As shown in FIG.
A cell unit 19 including 20 battery cells 18 is housed in a cell case 52. The cell case 52 has a substantially rectangular cylindrical shape, and the battery cells 18 are provided on the side surfaces 52a and 52b.
Opening 11 for exposing cylindrical negative electrode terminal member 18b and positive electrode terminal member 18c attached to the outside of the case.
Are formed. The cell case 52 has a top plate 53 and a bottom plate 5 having cooling holes 14 formed in open portions.
4 is attached.

【００４５】バッテリ装置５１においては、上述した側
面５２ｂに形成された開口部１１が電池セル１８よりも
やや小径に形成されているのに対し、側面５２ａに形成
された開口部１１が電池セル１８よりもやや大径に形成
されている。このため、バッテリ装置５１は、セルケー
ス５２に電池セル１８を側面５２ａ側の開口部１１から
挿入することができる。セルケース５２に挿入された電
池セル１８は、側面５２ｂに突き当てられる。また、バ
ッテリ装置１においては、挿入口である側面５２ａ側の
開口部１１からの電池セル１８の脱落を防止するため、
側面５２ａに電池セル１８の外径よりも小径でかつ負極
端子部材１８ｂ及び正極端子部材１８ｃを挿通させるに
足る径の孔部５５ａを有するセルストッパ５５が取り付
けられる。このセルストッパ５５は、セルケース２に対
しネジ止めにより取り付けられる。In the battery device 51, the opening 11 formed on the side surface 52b is formed slightly smaller in diameter than the battery cell 18, whereas the opening 11 formed on the side surface 52a is formed It is formed with a slightly larger diameter than that. Therefore, in the battery device 51, the battery cell 18 can be inserted into the cell case 52 from the opening 11 on the side surface 52a side. The battery cell 18 inserted into the cell case 52 is abutted against the side surface 52b. Further, in the battery device 1, in order to prevent the battery cell 18 from dropping out of the opening 11 on the side surface 52a side, which is an insertion port,
A cell stopper 55 having a hole 55a having a diameter smaller than the outer diameter of the battery cell 18 and having a diameter sufficient for inserting the negative electrode terminal member 18b and the positive electrode terminal member 18c is attached to the side surface 52a. The cell stopper 55 is attached to the cell case 2 by screwing.

【００４６】バッテリ装置５１においては、上述したよ
うにセルケース５２を一体とすることで、電池セル１８
の交換が非常に容易となり、メンテナンス性が向上す
る。In the battery device 51, by integrating the cell case 52 as described above, the battery cells 18
Replacement becomes very easy, and maintainability is improved.

【００４７】なお、上述したバッテリ装置５１は、セル
ケース５２以外の構成は、バッテリ装置１と同様の構成
を有する。すなわち、バッテリ装置５１は、セルケース
５２内に２０個の電池セル１８で構成されるセルユニッ
ト１９が、環状パッキン２０が両端面に貼り付けられた
状態で収納され、セルケース５２の一方側面５２ａにセ
ルストッパ５５が取り付けられると、バスバー２１，２
４によって電池セル１８相互間が接続される。これらバ
スバー２１，２４により接続された電池セル１８の負極
側の終端の端子は、ヒューズ２７を介して第１の負極終
端用バスバー２８及び第２の負極終端用バスバー２９に
よって負極外部端子７に接続され、また正極側の終端の
端子は正極終端用バスバー３４を介して正極外部端子８
に接続される。このように、セルユニット１９を構成し
かつバスバー２１，２４等により接続される各電池セル
１８を収納したセルケース５２には、側面５２ａ，５２
ｂ側に絶縁板３８を介してサイドカバー３，４が取り付
けられ、セルコントロール基板４４が絶縁板４５を介し
てネジ止めされる正面側にフロントカバー５が取り付け
られて、バッテリ装置５１が完成する。The above-described battery device 51 has the same structure as the battery device 1 except for the cell case 52. That is, in the battery device 51, the cell unit 19 including the twenty battery cells 18 is housed in the cell case 52 with the annular packing 20 attached to both end surfaces, and the one side surface 52a of the cell case 52 is provided. When the cell stopper 55 is attached to the
4 connects the battery cells 18 to each other. The terminal on the negative side of the battery cell 18 connected by the bus bars 21 and 24 is connected to the negative external terminal 7 by a first negative terminal bus bar 28 and a second negative terminal bus bar 29 via a fuse 27. The terminal at the positive terminal is connected to the positive external terminal 8 via the positive terminal bus bar 34.
Connected to. As described above, the cell case 52, which constitutes the cell unit 19 and houses the battery cells 18 connected by the bus bars 21, 24, etc., has the side surfaces 52a, 52
The side covers 3 and 4 are attached to the b side via the insulating plate 38, and the front cover 5 is attached to the front side where the cell control board 44 is screwed via the insulating plate 45, and the battery device 51 is completed. .

【００４８】上述したバッテリ装置５１は、接続したま
ま電池セル１８がセルケース５２から取り出すことがで
き、解体や電池セル１８の交換作業が容易であるため、
メンテナンス性をさらに向上させることができる。In the above-described battery device 51, the battery cell 18 can be taken out of the cell case 52 while being connected, and disassembly and replacement of the battery cell 18 are easy.
The maintainability can be further improved.

【００４９】また、電池セル１８を構成するバスバー２
１も上述した構成に限定されるものではない。例えば図
８に示すバスバー６１の如く、２個の接続部材６２，６
２と、これら接続部材６２，６２を連結する連結部材６
３とにより構成され、これら接続部材６２，６２が電池
セル１８間を並列に接続し、連結部材６３が接続部材６
２，６２間を連結してこれら接続部材６２，６２が直列
接続する２組の電池セル１８を直列に接続するものであ
ってもよい。The bus bar 2 constituting the battery cell 18
1 is not limited to the configuration described above. For example, as shown in a bus bar 61 in FIG.
2 and a connecting member 6 for connecting these connecting members 62, 62.
The connecting members 62 and 62 connect the battery cells 18 in parallel, and the connecting member 63 is connected to the connecting member 6.
The two connecting members 62 may be connected in series to connect the two sets of battery cells 18 connected in series.

【００５０】バスバー６１においては、接続部材６２，
６２に形成された円筒部６２ａ，６２ｂ間に張出し部６
３ｃが設けられるともに、連結部材６３の略中央が折曲
して形成されている。このように、バスバー６１は、接
続部材６２，６２の円筒部６２ａ，６２ｂ間に張出し部
６３ｃが設けられたこと、及びこの張出し部６３ｃ間を
折曲した連結部材６３で連結したことで、直交する２方
向に可撓性を有する構造とされる。したがって、バスバ
ー６１は、バッテリ装置１に衝撃が加えられた場合に生
じる変形が吸収し易くなり、円筒部６２にａ，６２ｂに
接続された電池セル１８の端子部分に加えられる負荷を
低減し、電池セル１８からの電解液の漏液等電池セル１
８の故障を防止する。In the bus bar 61, connecting members 62,
The overhang portion 6 is formed between the cylindrical portions 62a and 62b
3c is provided, and substantially the center of the connecting member 63 is bent. As described above, the bus bar 61 is orthogonal because the overhang portion 63c is provided between the cylindrical portions 62a and 62b of the connection members 62 and 62 and the overhang portion 63c is connected by the bent connection member 63. The structure has flexibility in two directions. Therefore, the bus bar 61 easily absorbs the deformation that occurs when an impact is applied to the battery device 1, and reduces the load applied to the terminals of the battery cells 18 connected to the cylindrical portions 62 at a and 62 b, Battery cell 1 such as leakage of electrolyte from battery cell 18
8 is prevented.

【００５１】また、バスバー６１は、電流が流れる際に
発熱するが、上述したように電池セル１８を直列に接続
する連結部材６３が、電池セル１８を並列に接続する接
続部材６２，６２に比して板厚が厚く形成されている。
このため、バスバー６１は、より多くの電流が流れる連
結部材６３を厚く形成することで、バスバー６１におい
て生じる発熱を効率よく放熱させることができ、変形を
吸収し電池セル１８の故障を防止する可撓性と、電流を
流す際に生じる発熱の放熱性を良好に確保し、両立させ
ることができる。The bus bar 61 generates heat when a current flows. As described above, the connecting member 63 for connecting the battery cells 18 in series is smaller than the connecting members 62 and 62 for connecting the battery cells 18 in parallel. As a result, the sheet thickness is increased.
For this reason, the bus bar 61 can efficiently radiate the heat generated in the bus bar 61 by forming the connection member 63 through which a larger amount of current flows to be thick, and can absorb the deformation and prevent the battery cell 18 from malfunctioning. Flexibility and heat dissipation of heat generated when a current is supplied can be ensured and compatible.

【００５２】[0052]

【発明の効果】以上、詳細に説明したように本発明に係
るバッテリ装置は、複数の電池セルを２個の接続部材
と、この接続部材と直交する方向に接続部材間を連結す
る連結部材の２部材からなる接続導体で接続することに
より、直交する２方向に可撓性を有して形成される。し
たがって、本発明に係るバッテリ装置によれば、接続導
体が何らかの衝撃を受けて変形した際にも、この変形が
吸収され易く、該接続導体に接続される電池セルの端子
部分に加わる応力を低減し、電解液の漏液等の電池セル
の故障を防止することができる。As described above in detail, the battery device according to the present invention has two connecting members for connecting a plurality of battery cells and a connecting member for connecting the connecting members in a direction orthogonal to the connecting members. By connecting with a connecting conductor composed of two members, it is formed to have flexibility in two orthogonal directions. Therefore, according to the battery device of the present invention, even when the connection conductor is deformed by receiving some impact, the deformation is easily absorbed, and the stress applied to the terminal portion of the battery cell connected to the connection conductor is reduced. However, failure of the battery cell such as leakage of the electrolyte can be prevented.

【図面の簡単な説明】[Brief description of the drawings]

【図１】バッテリ装置の斜視図である。FIG. 1 is a perspective view of a battery device.

【図２】バッテリ装置の分解斜視図である。FIG. 2 is an exploded perspective view of the battery device.

【図３】セルユニットが収納されたセルケースの斜視図
である。FIG. 3 is a perspective view of a cell case in which a cell unit is stored.

【図４】バスバーによる電池セルの接続状態を説明する
ための図であり、（ａ）は概略図、（ｂ）は分解斜視図
である。4A and 4B are diagrams for explaining a connection state of battery cells by a bus bar, wherein FIG. 4A is a schematic diagram and FIG. 4B is an exploded perspective view.

【図５】第１の負極側終端用バスバーを説明するための
図であり、（ａ）は正面図、（ｂ）は（ａ）中矢印ａ１
方向から見た図、（ｃ）は（ａ）中矢印ａ２方向から見
た図である。5A and 5B are diagrams for explaining a first negative-electrode-side termination bus bar, wherein FIG. 5A is a front view, and FIG. 5B is an arrow a1 in FIG.
(C) is a view as seen from the direction of the arrow a2 in (a).

【図６】正極側終端用バスバーを説明するための図であ
り、（ａ）は正面図、（ｂ）は（ａ）中矢印ｂ方向から
見た図である。FIGS. 6A and 6B are diagrams for explaining a positive-side termination bus bar, wherein FIG. 6A is a front view, and FIG. 6B is a diagram viewed from the direction of arrow b in FIG.

【図７】他の実施の形態に係るバッテリ装置の分解斜視
図である。FIG. 7 is an exploded perspective view of a battery device according to another embodiment.

【図８】他の実施の形態に係るバスバーを用いた電池セ
ルの接続状態を説明するための図である。FIG. 8 is a diagram illustrating a connection state of battery cells using a bus bar according to another embodiment.

【図９】従来の接続導体による電池セルの接続状態を説
明するための分解斜視図である。FIG. 9 is an exploded perspective view illustrating a connection state of a battery cell using a conventional connection conductor.

【符号の説明】[Explanation of symbols]

１（６１） バッテリ装置，２（６２） セルケース，
２ａ、２ｂ セルケース半体，３、４ サイドカバー，
５ フロントカバー，９、１０ ケース半体，１１ 開
口部，１８ 電池セル，１９ セルユニット，２１（５
１） バスバー，２２ 接続部材，２３ 連結部材，２
８ 第１の負極終端用バスバー，２９第２の負極終端用
バスバー，３４ 正極終端用バスバー1 (61) battery device, 2 (62) cell case,
2a, 2b half cell case, 3, 4 side cover,
5 front cover, 9, 10 case half, 11 opening, 18 battery cell, 19 cell unit, 21 (5
1) bus bar, 22 connecting member, 23 connecting member, 2
8 First negative terminal bus bar, 29 Second negative terminal bus bar, 34 Positive terminal bus bar

───────────────────────────────────────────────────── フロントページの続き (72)発明者 佐久間 和彦 福島県郡山市日和田町高倉字下杉下１番地 の１ 株式会社ソニー・エナジー・テック 内 Ｆターム(参考） 5G307 CA01 CB02 CC04 5H020 AA01 AA04 AS05 AS11 CC02 DD08 KK11 5H022 AA01 AA09 AA19 CC05 CC12 ────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Kazuhiko Sakuma 1-1-1 Shimosugishita, Takakura, Hiwada-cho, Koriyama-shi, Fukushima F-term within Sony Energy Tech Co., Ltd. 5G307 CA01 CB02 CC04 5H020 AA01 AA04 AS05 AS11 CC02 DD08 KK11 5H022 AA01 AA09 AA19 CC05 CC12

Claims (5)

【特許請求の範囲】[Claims] 【請求項１】 金属板からなる接続導体によって、複数
の電池セルが並列に接続されるとともに、これら並列に
接続された電池セルが複数組直列に接続されるセルユニ
ットを備えるバッテリ装置において、 上記接続導体は、一対の上記電池セル間を接続する２個
の接続部材と、上記２個の接続部材と直交する方向にこ
れらを連結する連結部材とからなることを特徴とするバ
ッテリ装置。1. A battery device comprising a cell unit in which a plurality of battery cells are connected in parallel by a connecting conductor formed of a metal plate, and a plurality of sets of the battery cells connected in parallel are connected in series. The battery device, wherein the connection conductor includes two connection members for connecting the pair of battery cells and a connection member for connecting the two connection members in a direction orthogonal to the two connection members. 【請求項２】 上記接続部材により一対の電池セルが直
列に接続され、上記連結部材により上記接続部材間が並
列に接続されることを特徴とする請求項１に記載のバッ
テリ装置。2. The battery device according to claim 1, wherein the pair of battery cells are connected in series by the connection member, and the connection members are connected in parallel by the connection member. 【請求項３】 上記接続導体は、上記連結部材が上記接
続部材に比して幅狭に形成されていることを特徴とする
請求項２に記載のバッテリ装置。3. The battery device according to claim 2, wherein in the connection conductor, the connection member is formed to be narrower than the connection member. 【請求項４】 上記接続部材により一対の電池セルが並
列に接続され、上記連結部材により上記接続部材間が直
列に接続されることを特徴とする請求項１に記載のバッ
テリ装置。4. The battery device according to claim 1, wherein the pair of battery cells are connected in parallel by the connection member, and the connection members are connected in series by the connection member. 【請求項５】 上記接続導体は、上記連結部材が上記接
続部材に比して厚く形成されていることを特徴とする請
求項４に記載のバッテリ装置。5. The battery device according to claim 4, wherein in the connection conductor, the connection member is formed thicker than the connection member.
JP34137099A 1999-11-30 1999-11-30 Battery device Expired - Lifetime JP4665277B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP34137099A JP4665277B2 (en) 1999-11-30 1999-11-30 Battery device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP34137099A JP4665277B2 (en) 1999-11-30 1999-11-30 Battery device

Publications (2)

Publication Number Publication Date
JP2001155702A true JP2001155702A (en) 2001-06-08
JP4665277B2 JP4665277B2 (en) 2011-04-06

Family

ID=18345546

Family Applications (1)

Application Number Title Priority Date Filing Date
JP34137099A Expired - Lifetime JP4665277B2 (en) 1999-11-30 1999-11-30 Battery device

Country Status (1)

Country Link
JP (1) JP4665277B2 (en)

Cited By (53)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003162993A (en) * 2001-11-27 2003-06-06 Matsushita Electric Ind Co Ltd Battery interconnecting structure, battery module and battery pack
JP2003297334A (en) * 2002-04-08 2003-10-17 Nissan Motor Co Ltd Connecting structure of thin form batteries and pack battery
JP2003331807A (en) * 2002-03-05 2003-11-21 Honda Motor Co Ltd Battery power unit
JP2004087238A (en) * 2002-08-26 2004-03-18 Nissan Motor Co Ltd Layer built cell
JP2004171856A (en) * 2002-11-19 2004-06-17 Matsushita Electric Ind Co Ltd Inter-battery connection structure, battery module and battery pack
US7029787B2 (en) 2002-03-05 2006-04-18 Honda Giken Kogyo Kabushiki Kaisha Power supply unit
JP2006339017A (en) * 2005-06-01 2006-12-14 Sanyo Electric Co Ltd Battery pack
JP2008034296A (en) * 2006-07-31 2008-02-14 Sanyo Electric Co Ltd Battery pack
JP2008066061A (en) * 2006-09-06 2008-03-21 Hitachi Vehicle Energy Ltd Secondary battery module
JP2008243783A (en) * 2007-03-29 2008-10-09 Toshiba Corp Battery pack
JP2008541386A (en) * 2005-05-12 2008-11-20 テスラ モーターズ、インコーポレイテッド Method and apparatus for installing, cooling, connecting and protecting batteries
JP2009517832A (en) * 2005-12-02 2009-04-30 エルジー・ケム・リミテッド Manufacturing method of battery core pack
JP2009164085A (en) * 2008-01-10 2009-07-23 Hitachi Vehicle Energy Ltd Battery module
KR100934466B1 (en) * 2006-09-25 2009-12-30 주식회사 엘지화학 Connection member for electrical connection of battery cells
US20100047676A1 (en) * 2006-08-07 2010-02-25 Lg Chem,Ltd. Battery pack case
WO2010087651A3 (en) * 2009-01-29 2010-10-14 (주)아이셀시스템즈코리아 Cell cartridge with a composite intercell connecting net structure
CN102064303A (en) * 2009-11-18 2011-05-18 三星Sdi株式会社 Connection tab for connecting battery cells and battery module using the same
WO2011065422A1 (en) * 2009-11-27 2011-06-03 有限会社スガイ総業 Unit cell connecting device, assembled battery equipped with this connecting device, and method for manufacturing same
US20110177373A1 (en) * 2007-09-06 2011-07-21 Pellenc (Societe Anonyme) Battery consisting of a plurality of cells positioned and connected together without welding
JP2011154882A (en) * 2010-01-27 2011-08-11 Sanyo Electric Co Ltd Water-tight battery system
JP2011530156A (en) * 2009-07-17 2011-12-15 チンファ ユニバーシティ Battery pack and annular cell used therefor
JP2012009389A (en) * 2010-06-28 2012-01-12 Hitachi Vehicle Energy Ltd Electricity storage module and electricity storage device
WO2012035683A1 (en) * 2010-09-17 2012-03-22 パナソニック株式会社 Battery block and battery module
WO2012073403A1 (en) * 2010-11-30 2012-06-07 パナソニック株式会社 Battery module and battery pack
WO2012073399A1 (en) * 2010-11-30 2012-06-07 パナソニック株式会社 Battery module and battery pack
US20120148876A1 (en) * 2010-12-08 2012-06-14 Zhiliang Zeng Battery module
JP2012529725A (en) * 2009-06-17 2012-11-22 メガベス インコーポレイテッド Unit pack combination type cell cartridge with mechanism fastening system
CN102820494A (en) * 2011-06-09 2012-12-12 索尼公司 Battery module, electronic apparatus, electric power storage system, electric power system, and electric vehicle
KR20130035200A (en) * 2011-09-29 2013-04-08 소니 주식회사 Battery pack, electricity accumulation system, electronic instrument, electric vehicle, and electric power system
JP2013110119A (en) * 2010-04-01 2013-06-06 Hitachi Vehicle Energy Ltd Power storage module and power storage device
US20130189563A1 (en) * 2010-04-06 2013-07-25 Tae Young Chang Battery module and a method for assembling battery modules
CN104037382A (en) * 2013-08-16 2014-09-10 苏州盛德电子有限公司 Connecting piece of battery module
CN104716283A (en) * 2015-03-19 2015-06-17 中国汽车技术研究中心 Leak-proof device for power battery modules
JP2015122145A (en) * 2013-12-20 2015-07-02 豊田合成株式会社 Battery pack
CN105609678A (en) * 2016-01-26 2016-05-25 先进储能材料国家工程研究中心有限责任公司 Power battery pack for vehicle
JP2016522574A (en) * 2013-05-21 2016-07-28 ボッシュ オートモーティヴ プロダクツ（スジョウ） カンパニーリミテッドＢｏｓｃｈ Ａｕｔｏｍｏｔｉｖｅ Ｐｒｏｄｕｃｔｓ（Ｓｕｚｈｏｕ）Ｃｏ．，Ｌｔｄ． Supercapacitor holder and supercapacitor module
US9548476B2 (en) 2010-12-20 2017-01-17 Samsung Sdi Co., Ltd. Multi-cell battery module with integral cooling and assembly aids
WO2017130705A1 (en) * 2016-01-29 2017-08-03 三洋電機株式会社 Power supply device, vehicle in which same is used, and bus bar
WO2017175487A1 (en) * 2016-04-05 2017-10-12 ソニー株式会社 Battery pack and electronic device having same
FR3056335A1 (en) * 2016-09-20 2018-03-23 Pellenc PORTABLE BATTERY DEVICE WITH PASSIVE AIR COOLING SYSTEM
JP2018521469A (en) * 2015-07-21 2018-08-02 エルジー・ケム・リミテッド Battery module with wire fixing rib
CN109804484A (en) * 2016-10-03 2019-05-24 株式会社村田制作所 Battery pack, electronic equipment, electric vehicle, electric tool and power storage system
JP2019114540A (en) * 2017-12-21 2019-07-11 車王電子股▲分▼有限公司 Battery conductive connecting sheet and battery conductive connecting module
KR20190083533A (en) * 2018-01-04 2019-07-12 주식회사 엘지화학 Battery Module Having Heat Conduction Pad
JP2020507903A (en) * 2017-02-28 2020-03-12 株式会社村田製作所 Battery packs, power tools and electronics
KR20200065192A (en) * 2018-11-29 2020-06-09 주식회사 엘지화학 Battery Pack Having Heat Dissipating Member
CN111261823A (en) * 2018-11-30 2020-06-09 株式会社牧田 Battery pack
JP2020140938A (en) * 2019-03-01 2020-09-03 トヨタ自動車株式会社 vehicle
JP2021515366A (en) * 2019-01-10 2021-06-17 エルジー・ケム・リミテッド Battery module with module case
US11095003B2 (en) 2018-05-08 2021-08-17 Blue Energy Co., Ltd. Energy storage apparatus
US11167631B2 (en) 2016-02-25 2021-11-09 HYDRO-QUéBEC Assembly of electric accumulators
WO2022234282A3 (en) * 2021-05-05 2022-12-22 Aceleron Limited Battery
US11973237B2 (en) 2020-02-25 2024-04-30 Milwaukee Electric Tool Corporation Battery pack

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5986666U (en) * 1982-12-02 1984-06-12 富士電気化学株式会社 collective battery
JPH10125301A (en) * 1996-10-23 1998-05-15 Yazaki Corp Connecting terminal

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5986666U (en) * 1982-12-02 1984-06-12 富士電気化学株式会社 collective battery
JPH10125301A (en) * 1996-10-23 1998-05-15 Yazaki Corp Connecting terminal

Cited By (102)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003162993A (en) * 2001-11-27 2003-06-06 Matsushita Electric Ind Co Ltd Battery interconnecting structure, battery module and battery pack
JP2003331807A (en) * 2002-03-05 2003-11-21 Honda Motor Co Ltd Battery power unit
US7029787B2 (en) 2002-03-05 2006-04-18 Honda Giken Kogyo Kabushiki Kaisha Power supply unit
JP2003297334A (en) * 2002-04-08 2003-10-17 Nissan Motor Co Ltd Connecting structure of thin form batteries and pack battery
JP2004087238A (en) * 2002-08-26 2004-03-18 Nissan Motor Co Ltd Layer built cell
JP2004171856A (en) * 2002-11-19 2004-06-17 Matsushita Electric Ind Co Ltd Inter-battery connection structure, battery module and battery pack
JP2008541386A (en) * 2005-05-12 2008-11-20 テスラ モーターズ、インコーポレイテッド Method and apparatus for installing, cooling, connecting and protecting batteries
JP2006339017A (en) * 2005-06-01 2006-12-14 Sanyo Electric Co Ltd Battery pack
JP2009517832A (en) * 2005-12-02 2009-04-30 エルジー・ケム・リミテッド Manufacturing method of battery core pack
JP2008034296A (en) * 2006-07-31 2008-02-14 Sanyo Electric Co Ltd Battery pack
US10026936B2 (en) 2006-08-07 2018-07-17 Lg Chem, Ltd. Battery pack case
US20150287964A1 (en) * 2006-08-07 2015-10-08 Lg Chem, Ltd. Battery pack case
US9159968B2 (en) * 2006-08-07 2015-10-13 Lg Chem, Ltd. Battery pack case
US20100047676A1 (en) * 2006-08-07 2010-02-25 Lg Chem,Ltd. Battery pack case
JP2008066061A (en) * 2006-09-06 2008-03-21 Hitachi Vehicle Energy Ltd Secondary battery module
US7955729B2 (en) 2006-09-06 2011-06-07 Hitachi Vehicle Energy, Ltd. Vibration resistant secondary battery module
JP2010504623A (en) * 2006-09-25 2010-02-12 エルジー・ケム・リミテッド Connection member for electrical connection of battery cells
US9017855B2 (en) 2006-09-25 2015-04-28 Lg Chem, Ltd. Connection-member for electrical connection of battery cells
KR100934466B1 (en) * 2006-09-25 2009-12-30 주식회사 엘지화학 Connection member for electrical connection of battery cells
JP2008243783A (en) * 2007-03-29 2008-10-09 Toshiba Corp Battery pack
US8703325B2 (en) * 2007-09-06 2014-04-22 Pellenc (Societe Anonyme) Battery consisting of a plurality of cells positioned and connected together without welding
US20110177373A1 (en) * 2007-09-06 2011-07-21 Pellenc (Societe Anonyme) Battery consisting of a plurality of cells positioned and connected together without welding
JP2009164085A (en) * 2008-01-10 2009-07-23 Hitachi Vehicle Energy Ltd Battery module
KR101016596B1 (en) * 2009-01-29 2011-02-22 강정욱 Cell cartridge
WO2010087651A3 (en) * 2009-01-29 2010-10-14 (주)아이셀시스템즈코리아 Cell cartridge with a composite intercell connecting net structure
JP2012529725A (en) * 2009-06-17 2012-11-22 メガベス インコーポレイテッド Unit pack combination type cell cartridge with mechanism fastening system
JP2011530156A (en) * 2009-07-17 2011-12-15 チンファ ユニバーシティ Battery pack and annular cell used therefor
US20110117412A1 (en) * 2009-11-18 2011-05-19 Han-Kyu Park Connection Tab For Connecting Battery Cells And Battery Module Using The Same
US9088038B2 (en) * 2009-11-18 2015-07-21 Samsung Sdi Co., Ltd. Connection tab for connecting battery cells and battery module using the same
CN102064303A (en) * 2009-11-18 2011-05-18 三星Sdi株式会社 Connection tab for connecting battery cells and battery module using the same
JP2011113845A (en) * 2009-11-27 2011-06-09 Sugai Sogyo:Kk Connection device for unit cell, battery pack equipped with the connection device, and method of manufacturing the same
WO2011065422A1 (en) * 2009-11-27 2011-06-03 有限会社スガイ総業 Unit cell connecting device, assembled battery equipped with this connecting device, and method for manufacturing same
JP2011154882A (en) * 2010-01-27 2011-08-11 Sanyo Electric Co Ltd Water-tight battery system
US9368771B2 (en) 2010-04-01 2016-06-14 Hitachi Automotive Systems, Ltd. Electric storage module and electric storage device
JP2013110119A (en) * 2010-04-01 2013-06-06 Hitachi Vehicle Energy Ltd Power storage module and power storage device
US20130189563A1 (en) * 2010-04-06 2013-07-25 Tae Young Chang Battery module and a method for assembling battery modules
JP2012009389A (en) * 2010-06-28 2012-01-12 Hitachi Vehicle Energy Ltd Electricity storage module and electricity storage device
JP4923314B1 (en) * 2010-09-17 2012-04-25 パナソニック株式会社 Battery block and battery module
WO2012035683A1 (en) * 2010-09-17 2012-03-22 パナソニック株式会社 Battery block and battery module
US8507119B2 (en) 2010-09-17 2013-08-13 Panasonic Corporation Battery block and battery module
WO2012073399A1 (en) * 2010-11-30 2012-06-07 パナソニック株式会社 Battery module and battery pack
CN102696131A (en) * 2010-11-30 2012-09-26 松下电器产业株式会社 Battery module and battery pack
US8420249B2 (en) 2010-11-30 2013-04-16 Panasonic Corporation Battery module and battery pack
WO2012073403A1 (en) * 2010-11-30 2012-06-07 パナソニック株式会社 Battery module and battery pack
JP4990422B1 (en) * 2010-11-30 2012-08-01 パナソニック株式会社 Battery module and battery pack
JP2014503947A (en) * 2010-12-08 2014-02-13 シェンチェン ビーワイディー オート アールアンドディー カンパニー リミテッド Battery module
US9515356B2 (en) 2010-12-08 2016-12-06 Byd Company Limited Battery module
US20120148876A1 (en) * 2010-12-08 2012-06-14 Zhiliang Zeng Battery module
EP2656431B1 (en) * 2010-12-20 2018-05-09 Cobasys, LLC Multi-cell battery module with integral cooling and assembly aids
US9548476B2 (en) 2010-12-20 2017-01-17 Samsung Sdi Co., Ltd. Multi-cell battery module with integral cooling and assembly aids
US9005801B2 (en) 2011-06-09 2015-04-14 Sony Corporation Battery module, electronic apparatus, electric power storage system, electric power system, and electric vehicle
CN102820494A (en) * 2011-06-09 2012-12-12 索尼公司 Battery module, electronic apparatus, electric power storage system, electric power system, and electric vehicle
JP2012256521A (en) * 2011-06-09 2012-12-27 Sony Corp Battery module, electronic apparatus, power system, and electric vehicle
CN102820494B (en) * 2011-06-09 2016-03-16 索尼公司 Battery module, electronic installation, power storage system and electric power system
KR20130035200A (en) * 2011-09-29 2013-04-08 소니 주식회사 Battery pack, electricity accumulation system, electronic instrument, electric vehicle, and electric power system
KR101979959B1 (en) * 2011-09-29 2019-05-17 가부시키가이샤 무라타 세이사쿠쇼 Battery pack, electricity accumulation system, electronic instrument, electric vehicle, and electric power system
CN103117364A (en) * 2011-09-29 2013-05-22 索尼公司 Battery pack, electricity accumulation system, electronic instrument, electric vehicle, and electric power system
JP2013073864A (en) * 2011-09-29 2013-04-22 Sony Corp Battery pack, power storage system, electronic equipment, electric vehicle and electric power system
JP2016522574A (en) * 2013-05-21 2016-07-28 ボッシュ オートモーティヴ プロダクツ（スジョウ） カンパニーリミテッドＢｏｓｃｈ Ａｕｔｏｍｏｔｉｖｅ Ｐｒｏｄｕｃｔｓ（Ｓｕｚｈｏｕ）Ｃｏ．，Ｌｔｄ． Supercapacitor holder and supercapacitor module
CN104037382A (en) * 2013-08-16 2014-09-10 苏州盛德电子有限公司 Connecting piece of battery module
JP2015122145A (en) * 2013-12-20 2015-07-02 豊田合成株式会社 Battery pack
US9530992B2 (en) 2013-12-20 2016-12-27 Toyoda Gosei Co., Ltd. Battery pack
CN104716283A (en) * 2015-03-19 2015-06-17 中国汽车技术研究中心 Leak-proof device for power battery modules
JP2018521469A (en) * 2015-07-21 2018-08-02 エルジー・ケム・リミテッド Battery module with wire fixing rib
CN105609678A (en) * 2016-01-26 2016-05-25 先进储能材料国家工程研究中心有限责任公司 Power battery pack for vehicle
US11374290B2 (en) 2016-01-29 2022-06-28 Sanyo Electric Co., Ltd. Power supply device, vehicle in which same is used, and bus bar
CN108604659B (en) * 2016-01-29 2021-04-02 三洋电机株式会社 Power supply device, vehicle using same, and bus bar
WO2017130705A1 (en) * 2016-01-29 2017-08-03 三洋電機株式会社 Power supply device, vehicle in which same is used, and bus bar
CN108604659A (en) * 2016-01-29 2018-09-28 三洋电机株式会社 Supply unit, vehicle and busbar using the supply unit
JPWO2017130705A1 (en) * 2016-01-29 2018-11-15 三洋電機株式会社 Power supply device, vehicle using the same, and bus bar
US11167631B2 (en) 2016-02-25 2021-11-09 HYDRO-QUéBEC Assembly of electric accumulators
CN109075278B (en) * 2016-04-05 2021-10-29 株式会社村田制作所 Battery pack and electronic device having the same
CN109075278A (en) * 2016-04-05 2018-12-21 株式会社村田制作所 Battery pack and electronic equipment with battery pack
US11183730B2 (en) 2016-04-05 2021-11-23 Murata Manufacturing Co., Ltd. Battery pack and electronic device including the same
WO2017175487A1 (en) * 2016-04-05 2017-10-12 ソニー株式会社 Battery pack and electronic device having same
CN109716553A (en) * 2016-09-20 2019-05-03 贝兰克简易股份公司 Portable electric pool device with passive type air cooling system
JP2019532482A (en) * 2016-09-20 2019-11-07 ペランクＰｅｌｌｅｎｃ Portable battery device with passive air cooling system
CN109716553B (en) * 2016-09-20 2022-06-28 贝兰克简易股份公司 Portable battery device with passive air cooling system
US10847767B2 (en) 2016-09-20 2020-11-24 Pellenc (Societe Par Actions Simplifiee) Portable battery device with a passive air-cooling system
WO2018055256A1 (en) 2016-09-20 2018-03-29 Pellenc Portable battery device with a passive air-cooling system
FR3056335A1 (en) * 2016-09-20 2018-03-23 Pellenc PORTABLE BATTERY DEVICE WITH PASSIVE AIR COOLING SYSTEM
CN109804484B (en) * 2016-10-03 2021-12-14 株式会社村田制作所 Battery pack, electronic device, electric vehicle, electric tool, and power storage system
EP3509130A4 (en) * 2016-10-03 2020-04-22 Murata Manufacturing Co., Ltd. Battery pack, electronic apparatus, electric vehicle, electric tool, and power storage system
CN109804484A (en) * 2016-10-03 2019-05-24 株式会社村田制作所 Battery pack, electronic equipment, electric vehicle, electric tool and power storage system
US11038234B2 (en) 2016-10-03 2021-06-15 Murata Manufacturing Co., Ltd. Battery pack, electronic device, electrically driven vehicle, electric tool, and power storage system
JP2020507903A (en) * 2017-02-28 2020-03-12 株式会社村田製作所 Battery packs, power tools and electronics
JP2019114540A (en) * 2017-12-21 2019-07-11 車王電子股▲分▼有限公司 Battery conductive connecting sheet and battery conductive connecting module
US11139515B2 (en) 2018-01-04 2021-10-05 Lg Chem, Ltd. Battery module having heat conduction pad
KR20190083533A (en) * 2018-01-04 2019-07-12 주식회사 엘지화학 Battery Module Having Heat Conduction Pad
KR102353917B1 (en) * 2018-01-04 2022-01-19 주식회사 엘지에너지솔루션 Battery Module Having Heat Conduction Pad
US11095003B2 (en) 2018-05-08 2021-08-17 Blue Energy Co., Ltd. Energy storage apparatus
KR102381962B1 (en) * 2018-11-29 2022-04-01 주식회사 엘지에너지솔루션 Battery Pack Having Heat Dissipating Member
US11258118B2 (en) 2018-11-29 2022-02-22 Lg Energy Solution, Ltd. Battery pack having heat dissipating member
KR20200065192A (en) * 2018-11-29 2020-06-09 주식회사 엘지화학 Battery Pack Having Heat Dissipating Member
CN111261823A (en) * 2018-11-30 2020-06-09 株式会社牧田 Battery pack
CN111261823B (en) * 2018-11-30 2023-04-18 株式会社牧田 Battery pack
JP7046208B2 (en) 2019-01-10 2022-04-01 エルジー エナジー ソリューション リミテッド Battery module with module case
JP2021515366A (en) * 2019-01-10 2021-06-17 エルジー・ケム・リミテッド Battery module with module case
JP2020140938A (en) * 2019-03-01 2020-09-03 トヨタ自動車株式会社 vehicle
JP7132154B2 (en) 2019-03-01 2022-09-06 トヨタ自動車株式会社 vehicle
US11973237B2 (en) 2020-02-25 2024-04-30 Milwaukee Electric Tool Corporation Battery pack
WO2022234282A3 (en) * 2021-05-05 2022-12-22 Aceleron Limited Battery

Also Published As

Publication number Publication date
JP4665277B2 (en) 2011-04-06

Similar Documents

Publication Publication Date Title
JP2001155702A (en) Battery device
US10790554B2 (en) Battery pack
KR102475839B1 (en) Rechargeable battery module
KR100876458B1 (en) Battery cartridge of novel structure and open battery module containing it
KR101948180B1 (en) Battery pack and method for manufacturing the same
JP2010521046A (en) battery pack
JP2018530107A (en) Battery module and battery pack including the same
CN106356490B (en) Rechargeable battery and battery module including the same
US9023516B2 (en) Rechargeable battery and module thereof
JP2011076936A (en) Battery pack, and secondary battery device equipped with the same
JP5625294B2 (en) Battery module
US11394086B2 (en) Battery module and connection member
US9553340B2 (en) Rechargeable battery module
KR20160012021A (en) Battery module comprising a unit battery module and battery pack comprisng the same and Method of manufacturing the battery module
US6340311B1 (en) Structure for connecting a plurality of battery modules to constitute a battery pack
JP2021132022A (en) Power storage device
US20230344061A1 (en) Battery module and battery pack including the same
KR20190112467A (en) Cartridge having busbar
US20210391632A1 (en) Battery pack and device including the same
JP7427903B2 (en) Power storage device
JP2021111562A (en) Power storage device
KR20190112465A (en) Cartridge for increasing cooling effects
JP2003249200A (en) Storage battery
JP2009193872A (en) Valve mechanism and power storage device
JP2021132017A (en) Power storage device

Legal Events

Date Code Title Description
A621 Written request for application examination

Free format text: JAPANESE INTERMEDIATE CODE: A621

Effective date: 20060213

A977 Report on retrieval

Free format text: JAPANESE INTERMEDIATE CODE: A971007

Effective date: 20090610

A131 Notification of reasons for refusal

Free format text: JAPANESE INTERMEDIATE CODE: A131

Effective date: 20090804

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20090925

A02 Decision of refusal

Free format text: JAPANESE INTERMEDIATE CODE: A02

Effective date: 20100427

A521 Request for written amendment filed

Free format text: JAPANESE INTERMEDIATE CODE: A523

Effective date: 20100722

A911 Transfer to examiner for re-examination before appeal (zenchi)

Free format text: JAPANESE INTERMEDIATE CODE: A911

Effective date: 20100810

TRDD Decision of grant or rejection written
A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

Effective date: 20101214

A01 Written decision to grant a patent or to grant a registration (utility model)

Free format text: JAPANESE INTERMEDIATE CODE: A01

A61 First payment of annual fees (during grant procedure)

Free format text: JAPANESE INTERMEDIATE CODE: A61

Effective date: 20101227

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20140121

Year of fee payment: 3

R151 Written notification of patent or utility model registration

Ref document number: 4665277

Country of ref document: JP

Free format text: JAPANESE INTERMEDIATE CODE: R151

FPAY Renewal fee payment (event date is renewal date of database)

Free format text: PAYMENT UNTIL: 20140121

Year of fee payment: 3

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313113

Free format text: JAPANESE INTERMEDIATE CODE: R313111

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

R360 Written notification for declining of transfer of rights

Free format text: JAPANESE INTERMEDIATE CODE: R360

R371 Transfer withdrawn

Free format text: JAPANESE INTERMEDIATE CODE: R371

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313113

R360 Written notification for declining of transfer of rights

Free format text: JAPANESE INTERMEDIATE CODE: R360

R360 Written notification for declining of transfer of rights

Free format text: JAPANESE INTERMEDIATE CODE: R360

R371 Transfer withdrawn

Free format text: JAPANESE INTERMEDIATE CODE: R371

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313113

R360 Written notification for declining of transfer of rights

Free format text: JAPANESE INTERMEDIATE CODE: R360

R360 Written notification for declining of transfer of rights

Free format text: JAPANESE INTERMEDIATE CODE: R360

R371 Transfer withdrawn

Free format text: JAPANESE INTERMEDIATE CODE: R371

S111 Request for change of ownership or part of ownership

Free format text: JAPANESE INTERMEDIATE CODE: R313113

R350 Written notification of registration of transfer

Free format text: JAPANESE INTERMEDIATE CODE: R350

R250 Receipt of annual fees

Free format text: JAPANESE INTERMEDIATE CODE: R250

EXPY Cancellation because of completion of term