WO2017047258A1 - Battery pack - Google Patents

Battery pack Download PDF

Info

Publication number
WO2017047258A1
WO2017047258A1 PCT/JP2016/072580 JP2016072580W WO2017047258A1 WO 2017047258 A1 WO2017047258 A1 WO 2017047258A1 JP 2016072580 W JP2016072580 W JP 2016072580W WO 2017047258 A1 WO2017047258 A1 WO 2017047258A1
Authority
WO
WIPO (PCT)
Prior art keywords
container
voltage detection
detection line
assembled battery
lid
Prior art date
Application number
PCT/JP2016/072580
Other languages
French (fr)
Japanese (ja)
Inventor
金澤　義一
弘志 岩田
Original Assignee
日立オートモティブシステムズ株式会社
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 日立オートモティブシステムズ株式会社 filed Critical 日立オートモティブシステムズ株式会社
Priority to JP2017539757A priority Critical patent/JPWO2017047258A1/en
Publication of WO2017047258A1 publication Critical patent/WO2017047258A1/en

Links

Images

Classifications

    • 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
    • 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
    • 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
    • H01M50/218—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material
    • H01M50/22—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the material of the casings or racks
    • H01M50/227—Organic material
    • 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
    • H01M50/298—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders characterised by the wiring of battery packs
    • 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
    • H01M50/569—Constructional details of current conducting connections for detecting conditions inside cells or batteries, e.g. details of voltage sensing 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

Definitions

  • the present invention relates to an assembled battery having a plurality of battery cells.
  • Patent Document 1 discloses a lithium ion battery device mounted as a power source in an electric vehicle, a hybrid vehicle, or the like.
  • the lithium ion battery device has a battery module (assembled battery) that stores a plurality of lithium ion secondary battery cells.
  • a battery module in which lithium ion secondary battery cells are formed of cylindrical battery cells, the battery cells are arranged so as to be arranged in parallel to each other, and are arranged so that the polarities of adjacent cells are reversed.
  • the side plate (130) which fixes a battery cell is provided in the both sides
  • Each side plate is provided with a voltage detection line (800) to detect the voltage of the battery cell.
  • Such a side plate structure exists on both side surfaces of the battery module.
  • a power storage device mounted on a vehicle such as an automobile is required to be downsized in order to be stored in a limited area of the vehicle.
  • components for voltage detection are respectively attached to both side surfaces of the module, so that a certain amount of volume is required in that portion, which hinders downsizing.
  • the present invention has been made in view of the above points, and an object of the present invention is to provide a smaller assembled battery.
  • a plurality of unit cells that form poles with different lids and containers are arranged in parallel, and the positions of the lids are alternately reversed on one side and the other side in the column width direction.
  • the wiring portion is arranged only on one side or the other side in the column width direction of the plurality of single cells.
  • the assembled battery can be reduced in size. Problems, configurations, and effects other than those described above will be clarified by the following description of the embodiments.
  • the external appearance perspective view of the Example of the assembled battery which concerns on this invention The internal perspective view of the assembled battery shown by FIG.
  • the internal perspective view of the assembled battery shown by FIG. The top view of the assembled battery shown by FIG.
  • the figure explaining the connection state of a voltage detection line The figure which shows an example of the connection method to the container of a voltage detection line.
  • the perspective view of an electrical storage apparatus The perspective view of an electrical storage apparatus.
  • the assembled battery according to the present embodiment is applied to an in-vehicle power supply device in an electric vehicle, for example, an electric motor drive system of an electric vehicle.
  • the concept of the electric vehicle includes a hybrid electric vehicle provided with an engine which is an internal combustion engine and an electric motor as a driving source of the vehicle, a genuine electric vehicle using the electric motor as the only driving source of the vehicle, and the like.
  • FIG. 1 is an external perspective view of an embodiment of an assembled battery according to the present invention
  • FIGS. 2 and 3 are internal perspective views of the assembled battery shown in FIG.
  • the assembled battery 1 includes a lid 4 and a container 5 in which a plurality of unit cells 3 constituting different poles are arranged in parallel, and the position of the lid 4 intersects the arrangement direction of the plurality of unit cells 3 and the other side.
  • a plurality of single cells 3 are arranged in series by bus bars 6.
  • the lids 4 are alternately inverted and arranged side by side, and the lid 4 of the unit cell 3 and the container 5 of the adjacent unit cell 3 are connected by the bus bar 6.
  • the assembled battery 1 is a lithium ion battery module, for example, and stores a plurality of single cells 3.
  • the plurality of single cells 3 are stored in a module case 13 made of synthetic resin or a laminate pack.
  • Each unit cell 3 is a cylindrical lithium ion secondary battery, and the lid 4 of the unit cell 3 constitutes a positive electrode which is one pole, and the container 5 of the unit cell 3 constitutes a negative electrode which is the other pole. ing.
  • Each unit cell 3 is stored in the module case 13 in a posture state in which the axial direction is up and down so that the longitudinal direction is arranged vertically.
  • the plurality of single cells 3 are connected in series by a bus bar 6. As shown in FIG. 2, the wiring portion 2 is disposed on the module case 13.
  • FIG. 4 is a plan view of the assembled battery shown in FIG.
  • the wiring part 2 is disposed only on one side or the other side in the direction intersecting the column direction of the plurality of unit cells 3, and is disposed on the upper side of the module case 13 in this embodiment.
  • a voltage detection line 9 for detecting each voltage of the plurality of single cells 3 is connected to the wiring part 2.
  • the voltage detection line 9 is electrically connected to the positive electrode and the negative electrode of the unit cell 3 through the bus bar connection terminal 7 and the container connection terminal 8.
  • the voltage detection line 9 has a first voltage detection line 9A electrically connected to the positive electrode and a second voltage detection line 9B electrically connected to the negative electrode.
  • the first voltage detection line 9 ⁇ / b> A and the second voltage detection line 9 ⁇ / b> B are led out to the side where the wiring part 2 is arranged, that is, the wiring part 2 side.
  • 9 A of 1st voltage detection lines are connected to the bus bar 6 which connects between the cover 4 of the 1st single battery 3A, and the container 5 of the 2nd single battery 3B among the bus bars 6.
  • the first voltage detection line 9 ⁇ / b> A may be connected to the lid 4 of the first unit cell 3 ⁇ / b> A instead of the bus bar 6.
  • the second voltage detection line 9B is connected to the container 5 of the first unit cell 3A.
  • the wiring unit 2 has a connector 10.
  • the connector 10 is connected to a control circuit via a wire harness (not shown).
  • the plurality of cells 3 stored in the assembled battery 1 are electrically connected in series by a bus bar 6, and are connected to other assembled batteries or relay circuits (not shown) by the module positive terminal 11 and the module negative terminal 12. It is connected via a wire harness or the like.
  • the wiring part 2 is configured by a component in which a wire is stored in a resin case or the like, a wiring board, or the like.
  • the voltage detection line 9 is used for measuring the voltage across the cell 3 and adjusting the cell voltage.
  • the wiring portion 2 needs to have a thickness of 10 to 20 mm, and conventionally has required a width of 20 to 40 mm on both sides.
  • the thickness can be limited to only 10 to 20 mm on one side. it can.
  • FIG. 5 is a diagram for explaining the connection state of the voltage detection lines.
  • the plurality of unit cells 3 includes a first unit cell 3A in a posture state in which the lid 4 is positioned above the container 5, and a posture in which the lid 4 is positioned below the container 5 adjacent to the first unit cell 3A.
  • the second unit cell 3B in a state.
  • the central unit cell 3 in the figure is a first unit cell 3A having a lid 4 arranged on the upper side, and is connected to the second unit cell 3B adjacent on the right side in the figure by the upper bus bar 6. Yes.
  • the second unit cell 3B adjacent to the left side in the drawing is also electrically connected to the first unit cell 3A by the lower bus bar 6.
  • the bus bar connection terminal (first terminal) 7 of the first voltage detection line 9A includes a central unit cell 3 (first unit cell 3A) in the drawing and a second unit cell adjacent to the right side in the drawing. 3B, the container connection terminal (second terminal) 8 of the second voltage detection line 9B is connected to the upper bus bar 6 between the center cell 3 (first cell 3A). ).
  • the wiring part 2 can be arranged only on one side of the assembled battery 1 by connecting the voltage detection wiring 9 to the negative electrode near the positive electrode. it can.
  • the voltage detection line 9 is connected to the lid 4 that is a positive electrode by connecting a screw crimping terminal to the tip of the voltage detection line 9 and screwing it into a screw hole provided in the bus bar 6. Or you may connect by welding and you may connect using the connection method of a general wire and a terminal.
  • FIG. 6 is a diagram illustrating an example of a method for connecting the voltage detection line to the container, and is another example specifically illustrating the method for connecting the voltage detection line 9 to the negative electrode in the structure illustrated in FIG. 5.
  • the container connection terminal (second terminal) 20 is connected to the container 5 as a negative electrode by welding.
  • the container connection terminal 20 is mechanically and electrically connected to the container 5 of the unit cell 3 by welding or the like. Welding is a generally established technique, and the voltage detection line 9B can be drawn from the container 5 at low cost.
  • FIG. 7 is a diagram showing an example of a method for connecting the voltage detection line to the container.
  • the container connection terminal 20 is electrically connected to the container 5 by sandwiching the container connection terminal 20 of the voltage detection line 9 between the container 5 of the unit cell 3 and the insulating sheet 21 covering the container 5. Connected to.
  • the heat shrinkable material is used for the insulating sheet 21, and when the insulating sheet 21 is heat shrunk and brought into close contact with the container 5 of the unit cell 3, the container connecting terminal 20 is also brought into close contact with the container.
  • the insulating sheet 21 is often attached to the unit cell 3, but in the present embodiment, the voltage detection line 9 can be connected at the same time in the attaching process of the insulating sheet 21, so that the manufacturing cost is not increased.
  • the present invention can be implemented.
  • FIG. 8 is a diagram showing an example of a method for connecting the voltage detection line to the container, and is another embodiment in which the voltage detection line 9 is connected to the container 5 in the structure shown in FIG.
  • the assembled battery 1 has a module case 40 that stores a plurality of unit cells 3 and holds them individually.
  • the module case 40 is provided with a holding hole in which the unit cell 3 can be inserted and held, and the container connection terminal 20 is attached in advance to the holding hole. Therefore, by inserting the unit cell 3 into the holding hole of the module case 40, the container connection terminal 20 can be sandwiched between the container 5 and the module case 40 and can be electrically connected to the negative electrode 5.
  • the present invention in the manufacturing process of inserting the unit cell 3 into the holding hole of the module case 40, it is possible to connect to the container connection terminal 20 at the same time. It can be reduced and it is economical.
  • FIG. 9 is a perspective view of the power storage device.
  • the power storage device 51 stores a plurality of assembled batteries 1 in a housing 50.
  • Each assembled battery 1 has all the wiring portions 2 arranged on the upper side and does not exist on the left and right. Therefore, it is possible to reduce the arrangement interval of the assembled batteries 1 and to reduce the size of the entire power storage device 51. Further, as a secondary effect, when the vehicle on which the power storage device 51 is mounted collides, the wiring unit 2 is not disposed on the front, rear, left, and right sides of the device. It is possible to prevent a short circuit due to contact with the assembled battery 1. Therefore, it is not necessary to prepare and protect the strong casing 50, and safety can be ensured by an economically advantageous method.
  • the present invention is not limited to the above-described embodiments, and various designs can be made without departing from the spirit of the present invention described in the claims. It can be changed.
  • the above-described embodiment has been described in detail for easy understanding of the present invention, and is not necessarily limited to one having all the configurations described.
  • a part of the configuration of an embodiment can be replaced with the configuration of another embodiment, and the configuration of another embodiment can be added to the configuration of an embodiment.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Battery Mounting, Suspending (AREA)
  • Connection Of Batteries Or Terminals (AREA)

Abstract

The objective of the present invention is to provide a small-size battery pack. The assembled battery 1 comprises a plurality of single batteries 3, each having a lid 4 and a container 5 constituting different poles from one another, which are arranged into parallel rows, the arrangement being such that the position of each of the lids 4 is inverted alternately between one side and another side in a direction intersecting with the direction of the rows of the plurality of single batteries 3, and the plurality of single batteries 3 are connected in series through bus bars 6. Additionally, the assembled battery 1 is characterized by having voltage detection wires 9 for detecting the voltage of each of the plurality of single batteries 3, and a wiring portion 2 whereto the voltage detection wires 9 are connected, the wiring portion 2 being disposed only on either one of the one side or the other side in the direction intersecting with the direction of the rows of the plurality of single batteries 3.

Description

組電池Assembled battery
　本発明は、複数の電池セルを有する組電池に関する。 The present invention relates to an assembled battery having a plurality of battery cells.
　特許文献１には、電気自動車、ハイブリッド自動車等に動力源として搭載されるリチウムイオンバッテリ装置が示されている。リチウムイオンバッテリ装置は、複数のリチウムイオン二次電池セルを格納する電池モジュール（組電池）を有している。リチウムイオン二次電池セルが円筒形の電池セルからなる電池モジュールでは、各電池セルは、互いに平行に並ぶように配列されて、隣接するセル同士では極性がそれぞれ反転するように配置されている。そして、電池モジュールの両側面には、電池セルを固定する側板（１３０）がそれぞれ設けられている。そして、各側板にそれぞれ電圧検出線（８００）が具備され、電池セルの電圧を検出する構成を有している。この様な側板構造は、電池モジュールの両側面に存在している。 Patent Document 1 discloses a lithium ion battery device mounted as a power source in an electric vehicle, a hybrid vehicle, or the like. The lithium ion battery device has a battery module (assembled battery) that stores a plurality of lithium ion secondary battery cells. In a battery module in which lithium ion secondary battery cells are formed of cylindrical battery cells, the battery cells are arranged so as to be arranged in parallel to each other, and are arranged so that the polarities of adjacent cells are reversed. And the side plate (130) which fixes a battery cell is provided in the both sides | surfaces of a battery module, respectively. Each side plate is provided with a voltage detection line (800) to detect the voltage of the battery cell. Such a side plate structure exists on both side surfaces of the battery module.
特開２０１１－２１６４０１号公報JP 2011-216401 A
　例えば自動車などの車両に搭載される蓄電装置は、車両の限られた領域に格納するために小型化が要求されている。上記の特許文献１に示す構造では、モジュールの両側面に電圧検出のための部品をそれぞれ取り付けているので、その部分にある程度の容積を必要とし、小型化を阻害している。 For example, a power storage device mounted on a vehicle such as an automobile is required to be downsized in order to be stored in a limited area of the vehicle. In the structure shown in Patent Document 1 described above, components for voltage detection are respectively attached to both side surfaces of the module, so that a certain amount of volume is required in that portion, which hinders downsizing.
　本発明は、上記の点に鑑みてなされたものであり、その目的とするところは、より小型の組電池を提供することである。 The present invention has been made in view of the above points, and an object of the present invention is to provide a smaller assembled battery.
　上記課題を解決する本発明の組電池は、蓋と容器が互いに異なる極を構成する複数の単電池が平行に配列されて前記蓋の位置が列幅方向一方側と他方側に交互に反転して並べられており、前記複数の単電池がバスバーで直列に接続されている組電池であって、前記複数の単電池の少なくとも一つの電圧を検出する電圧検出線と、該電圧検出線が接続される配線部と、を有し、該配線部が、前記複数の単電池の列幅方向一方側と他方側のいずれか一方にのみ配置されていることを特徴とする。 In the assembled battery of the present invention that solves the above-described problem, a plurality of unit cells that form poles with different lids and containers are arranged in parallel, and the positions of the lids are alternately reversed on one side and the other side in the column width direction. A plurality of unit cells connected in series with a bus bar, the voltage detection line detecting at least one voltage of the plurality of unit cells, and the voltage detection line connected And the wiring portion is arranged only on one side or the other side in the column width direction of the plurality of single cells.
　本発明によれば、組電池の小型化が図れる。なお、上記した以外の課題、構成及び効果は、以下の実施形態の説明により明らかにされる。 According to the present invention, the assembled battery can be reduced in size. Problems, configurations, and effects other than those described above will be clarified by the following description of the embodiments.
本発明に係る組電池の実施例の外観斜視図。The external appearance perspective view of the Example of the assembled battery which concerns on this invention. 図１に示された組電池の内部斜視図。The internal perspective view of the assembled battery shown by FIG. 図１に示された組電池の内部斜視図。The internal perspective view of the assembled battery shown by FIG. 図１に示された組電池の平面図。The top view of the assembled battery shown by FIG. 電圧検出線の接続状態を説明する図。The figure explaining the connection state of a voltage detection line. 電圧検出線の容器への接続方法の一例を示す図。The figure which shows an example of the connection method to the container of a voltage detection line. 電圧検出線の容器への接続方法の一例を示す図。The figure which shows an example of the connection method to the container of a voltage detection line. 電圧検出線の容器への接続方法の一例を示す図。The figure which shows an example of the connection method to the container of a voltage detection line. 蓄電装置の斜視図。The perspective view of an electrical storage apparatus.
　次に、本発明による組電池の実施の形態について図面を参照しつつ説明する。本実施の形態に係る組電池は、電動車両、たとえば電気自動車の電動機駆動システムにおける車載電源装置に適用されるものである。この電気自動車の概念には、内燃機関であるエンジンと電動機とを車両の駆動源として備えたハイブリッド電気自動車、および電動機を車両の唯一の駆動源とする純正電気自動車等が含まれる。 Next, an embodiment of an assembled battery according to the present invention will be described with reference to the drawings. The assembled battery according to the present embodiment is applied to an in-vehicle power supply device in an electric vehicle, for example, an electric motor drive system of an electric vehicle. The concept of the electric vehicle includes a hybrid electric vehicle provided with an engine which is an internal combustion engine and an electric motor as a driving source of the vehicle, a genuine electric vehicle using the electric motor as the only driving source of the vehicle, and the like.
　図１は、本発明に係る組電池の実施例の外観斜視図であり、図２および図３は、図１に図示された組電池の内部斜視図である。 FIG. 1 is an external perspective view of an embodiment of an assembled battery according to the present invention, and FIGS. 2 and 3 are internal perspective views of the assembled battery shown in FIG.
　組電池１は、蓋４と容器５が互いに異なる極を構成する複数の単電池３が平行に配列されて蓋４の位置が複数の単電池３の配列方向に交差する方向の一方側と他方側に交互に反転して並べられており、複数の単電池３がバスバー６で直列に接続された構成を有している。本実施例では、蓋４が上下に交互に反転して並べられており、単電池３の蓋４と、隣接する単電池３の容器５との間がバスバー６によって接続されている。 The assembled battery 1 includes a lid 4 and a container 5 in which a plurality of unit cells 3 constituting different poles are arranged in parallel, and the position of the lid 4 intersects the arrangement direction of the plurality of unit cells 3 and the other side. A plurality of single cells 3 are arranged in series by bus bars 6. In the present embodiment, the lids 4 are alternately inverted and arranged side by side, and the lid 4 of the unit cell 3 and the container 5 of the adjacent unit cell 3 are connected by the bus bar 6.
　組電池１は、例えばリチウムイオンバッテリモジュールであり、複数の単電池３を格納している。複数の単電池３は、合成樹脂製あるいはラミネートパックからなるモジュールケース１３に格納されている。各単電池３は、円筒形のリチウムイオン二次電池であり、単電池３の蓋４が一方の極である正極を構成し、単電池３の容器５が他方の極である負極を構成している。各単電池３は、長手方向が垂直に配置されるように、軸方向が上下になる姿勢状態でモジュールケース１３に格納されている。複数の単電池３は、バスバー６により直列に接続されている。そして、図２に示すように、配線部２が、モジュールケース１３の上部に配置されている。 The assembled battery 1 is a lithium ion battery module, for example, and stores a plurality of single cells 3. The plurality of single cells 3 are stored in a module case 13 made of synthetic resin or a laminate pack. Each unit cell 3 is a cylindrical lithium ion secondary battery, and the lid 4 of the unit cell 3 constitutes a positive electrode which is one pole, and the container 5 of the unit cell 3 constitutes a negative electrode which is the other pole. ing. Each unit cell 3 is stored in the module case 13 in a posture state in which the axial direction is up and down so that the longitudinal direction is arranged vertically. The plurality of single cells 3 are connected in series by a bus bar 6. As shown in FIG. 2, the wiring portion 2 is disposed on the module case 13.
　図４は、図１に示された組電池の平面図である。
　配線部２は、複数の単電池３の列方向に交差する方向の一方側と他方側のいずれか一方にのみ配置されており、本実施例では、モジュールケース１３の上側に配置されている。配線部２には、複数の単電池３のそれぞれの電圧を検出する電圧検出線９が接続されている。電圧検出線９は、バスバー接続端子７および容器接続端子８により、単電池３の正極と負極に電気的に接続されている。 FIG. 4 is a plan view of the assembled battery shown in FIG.
The wiring part 2 is disposed only on one side or the other side in the direction intersecting the column direction of the plurality of unit cells 3, and is disposed on the upper side of the module case 13 in this embodiment. A voltage detection line 9 for detecting each voltage of the plurality of single cells 3 is connected to the wiring part 2. The voltage detection line 9 is electrically connected to the positive electrode and the negative electrode of the unit cell 3 through the bus bar connection terminal 7 and the container connection terminal 8.
　電圧検出線９は、正極に電気的に接続される第一の電圧検出線９Ａと、負極に電気的に接続される第二の電圧検出線９Ｂを有している。第一の電圧検出線９Ａと第二の電圧検出線９Ｂは、配線部２が配置されている側、すなわち配線部２側に導出されている。第一の電圧検出線９Ａは、バスバー６のうち、第一の単電池３Ａの蓋４と第二の単電池３Ｂの容器５との間を接続するバスバー６に接続されている。第一の電圧検出線９Ａは、バスバー６の代わりに、第一の単電池３Ａの蓋４に接続されていてもよい。第二の電圧検出線９Ｂは、第一の単電池３Ａの容器５に接続されている。 The voltage detection line 9 has a first voltage detection line 9A electrically connected to the positive electrode and a second voltage detection line 9B electrically connected to the negative electrode. The first voltage detection line 9 </ b> A and the second voltage detection line 9 </ b> B are led out to the side where the wiring part 2 is arranged, that is, the wiring part 2 side. 9 A of 1st voltage detection lines are connected to the bus bar 6 which connects between the cover 4 of the 1st single battery 3A, and the container 5 of the 2nd single battery 3B among the bus bars 6. FIG. The first voltage detection line 9 </ b> A may be connected to the lid 4 of the first unit cell 3 </ b> A instead of the bus bar 6. The second voltage detection line 9B is connected to the container 5 of the first unit cell 3A.
　配線部２は、コネクタ１０を有している。コネクタ１０は、不図示のワイヤハーネスが接続されて制御回路に接続される。組電池１に格納された複数の単電池３は、バスバー６により電気的に直列接続されており、モジュール正極端子１１およびモジュール負極端子１２により、図示していない他の組電池やリレー回路等にワイヤハーネス等を介して接続される。配線部２は、ワイヤを樹脂ケース等に格納した部品や、配線基板等により構成されている。 The wiring unit 2 has a connector 10. The connector 10 is connected to a control circuit via a wire harness (not shown). The plurality of cells 3 stored in the assembled battery 1 are electrically connected in series by a bus bar 6, and are connected to other assembled batteries or relay circuits (not shown) by the module positive terminal 11 and the module negative terminal 12. It is connected via a wire harness or the like. The wiring part 2 is configured by a component in which a wire is stored in a resin case or the like, a wiring board, or the like.
　電圧検出線９は、単電池３の両端の電圧の測定およびセル電圧の調整の為に使用される。本発明によれば、電圧検出用の配線部２を組電池１の上側のみに設けることにより、従来のように組電池の両側に設けていたものよりも、小型化が可能である。具体的には、配線部２は、１０～２０ｍｍの厚みが必要であり、従来は両側で２０～４０ｍｍの幅を必要としていたが、本発明により片側のみの１０～２０ｍｍの厚みに抑えることができる。 The voltage detection line 9 is used for measuring the voltage across the cell 3 and adjusting the cell voltage. According to the present invention, by providing the voltage detection wiring part 2 only on the upper side of the assembled battery 1, it is possible to reduce the size as compared with the conventional structure provided on both sides of the assembled battery. Specifically, the wiring portion 2 needs to have a thickness of 10 to 20 mm, and conventionally has required a width of 20 to 40 mm on both sides. However, according to the present invention, the thickness can be limited to only 10 to 20 mm on one side. it can.
　図５は、電圧検出線の接続状態を説明する図である。
　複数の単電池３は、蓋４が容器５の上側に位置する姿勢状態の第一の単電池３Ａと、第一の単電池３Ａに隣接して蓋４が容器５の下側に位置する姿勢状態の第二の単電池３Ｂとを有している。図中で中央の単電池３は、蓋４が上側に配置された第一の単電池３Ａであり、図中で右側に隣接する第二の単電池３Ｂに、上側のバスバー６で接続されている。また、図中で左側に隣接する第二の単電池３Ｂも、第一の単電池３Ａと下側のバスバー６で電気的に接続されている。 FIG. 5 is a diagram for explaining the connection state of the voltage detection lines.
The plurality of unit cells 3 includes a first unit cell 3A in a posture state in which the lid 4 is positioned above the container 5, and a posture in which the lid 4 is positioned below the container 5 adjacent to the first unit cell 3A. The second unit cell 3B in a state. The central unit cell 3 in the figure is a first unit cell 3A having a lid 4 arranged on the upper side, and is connected to the second unit cell 3B adjacent on the right side in the figure by the upper bus bar 6. Yes. In addition, the second unit cell 3B adjacent to the left side in the drawing is also electrically connected to the first unit cell 3A by the lower bus bar 6.
　第一の電圧検出線９Ａのバスバー接続端子（第一の端子）７は、図中で中央の単電池３（第一の単電池３Ａ）と、図中で右側に隣接する第二の単電池３Ｂとの間を接続する上側のバスバー６に接続され、第二の電圧検出線９Ｂの容器接続端子（第二の端子）８は、図中で中央の単電池３（第一の単電池３Ａ）の容器５に接続されている。 The bus bar connection terminal (first terminal) 7 of the first voltage detection line 9A includes a central unit cell 3 (first unit cell 3A) in the drawing and a second unit cell adjacent to the right side in the drawing. 3B, the container connection terminal (second terminal) 8 of the second voltage detection line 9B is connected to the upper bus bar 6 between the center cell 3 (first cell 3A). ).
　このように、単電池３の容器５が負極であることを利用して、正極近傍の負極に電圧検出配線９を接続することで、配線部２を組電池１の片側のみに配置することができる。正極である蓋４への電圧検出線９の接続は、電圧検出線９の先端にネジ止め用のカシメ端子を接続し、バスバー６に設けたネジ穴にネジ止めする。あるいは、溶接接続しても良いし、一般的なワイヤと端子の接続方法を用いて接続しても良い。 In this way, by utilizing the fact that the container 5 of the unit cell 3 is a negative electrode, the wiring part 2 can be arranged only on one side of the assembled battery 1 by connecting the voltage detection wiring 9 to the negative electrode near the positive electrode. it can. The voltage detection line 9 is connected to the lid 4 that is a positive electrode by connecting a screw crimping terminal to the tip of the voltage detection line 9 and screwing it into a screw hole provided in the bus bar 6. Or you may connect by welding and you may connect using the connection method of a general wire and a terminal.
　図６は、電圧検出線の容器への接続方法の一例を示す図であり、図５に示した構造において、電圧検出線９の負極への接続方法を具体的に示す他の実施例である。本実施例では、溶接により容器接続端子（第二の端子）２０を負極である容器５に接続している。容器接続端子２０は、単電池３の容器５に対して溶接等により機械的に電気的に接続される。溶接は一般に確立された技術であり、低コストで容器５からの電圧検出線９Ｂの引出しが可能となる。 FIG. 6 is a diagram illustrating an example of a method for connecting the voltage detection line to the container, and is another example specifically illustrating the method for connecting the voltage detection line 9 to the negative electrode in the structure illustrated in FIG. 5. . In this embodiment, the container connection terminal (second terminal) 20 is connected to the container 5 as a negative electrode by welding. The container connection terminal 20 is mechanically and electrically connected to the container 5 of the unit cell 3 by welding or the like. Welding is a generally established technique, and the voltage detection line 9B can be drawn from the container 5 at low cost.
　図７は、電圧検出線の容器への接続方法の一例を示す図であり、図５に示した構造において、電圧検出線９を容器５に接続する方法を具体的に示す他の実施例である。本実施例では、単電池３の容器５とその容器５を覆う絶縁シート２１との間に電圧検出線９の容器接続端子２０を挟み込むことにより、容器５に対して容器接続端子２０を電気的に接続している。 FIG. 7 is a diagram showing an example of a method for connecting the voltage detection line to the container. In the structure shown in FIG. 5, in another embodiment specifically showing a method for connecting the voltage detection line 9 to the container 5. is there. In this embodiment, the container connection terminal 20 is electrically connected to the container 5 by sandwiching the container connection terminal 20 of the voltage detection line 9 between the container 5 of the unit cell 3 and the insulating sheet 21 covering the container 5. Connected to.
　絶縁シート２１には熱収縮材料を用いており、絶縁シート２１を熱収縮させて単電池３の容器５に密着させる際に、同時に容器接続端子２０も密着させている。一般に、単電池３には絶縁シート２１を取り付ける場合が多いが、本実施例では、絶縁シート２１の取付工程で電圧検出線９の接続を同時に行うことができるため、製造コストを増やすことなく、本発明を実施できる。 The heat shrinkable material is used for the insulating sheet 21, and when the insulating sheet 21 is heat shrunk and brought into close contact with the container 5 of the unit cell 3, the container connecting terminal 20 is also brought into close contact with the container. Generally, the insulating sheet 21 is often attached to the unit cell 3, but in the present embodiment, the voltage detection line 9 can be connected at the same time in the attaching process of the insulating sheet 21, so that the manufacturing cost is not increased. The present invention can be implemented.
　図８は、電圧検出線の容器への接続方法の一例を示す図であり、図５に示した構造において、電圧検出線９を容器５に接続する他の実施例である。組電池１は、複数の単電池３を格納して個々に保持するモジュールケース４０を有している。モジュールケース４０には、単電池３を挿入して保持可能な保持穴が設けられており、その保持穴に容器接続端子２０が予め取り付けられている。したがって、モジュールケース４０の保持穴に単電池３を挿入することによって、容器５とモジュールケース４０との間に容器接続端子２０を挟持でき、負極５に電気的に接続できる。本発明によれば、モジュールケース４０の保持穴に単電池３を挿入する製造工程で、同時に容器接続端子２０への接続が可能となるため、接続作業の工程を別途設ける必要がなく、工数を削減でき、経済的である。 FIG. 8 is a diagram showing an example of a method for connecting the voltage detection line to the container, and is another embodiment in which the voltage detection line 9 is connected to the container 5 in the structure shown in FIG. The assembled battery 1 has a module case 40 that stores a plurality of unit cells 3 and holds them individually. The module case 40 is provided with a holding hole in which the unit cell 3 can be inserted and held, and the container connection terminal 20 is attached in advance to the holding hole. Therefore, by inserting the unit cell 3 into the holding hole of the module case 40, the container connection terminal 20 can be sandwiched between the container 5 and the module case 40 and can be electrically connected to the negative electrode 5. According to the present invention, in the manufacturing process of inserting the unit cell 3 into the holding hole of the module case 40, it is possible to connect to the container connection terminal 20 at the same time. It can be reduced and it is economical.
　図９は蓄電装置の斜視図である。蓄電装置５１は、複数の組電池１を筺体５０に格納している。各組電池１は、配線部２が全て上に配置されており、左右には存在しない。したがって、各組電池１の互いの配置間隔を狭めることができ、蓄電装置５１全体の小型化を図ることができる。また、副次的な効果として、蓄電装置５１が搭載された車両が衝突した場合、装置の前後左右に配線部２が配置されていないので、蓄電装置５１が圧壊されても、配線部２が組電池１と接触して短絡するのを防ぐことができる。したがって、強固な筐体５０を用意して保護する必要が無く、経済的に有利な方法で安全性を確保することができる。 FIG. 9 is a perspective view of the power storage device. The power storage device 51 stores a plurality of assembled batteries 1 in a housing 50. Each assembled battery 1 has all the wiring portions 2 arranged on the upper side and does not exist on the left and right. Therefore, it is possible to reduce the arrangement interval of the assembled batteries 1 and to reduce the size of the entire power storage device 51. Further, as a secondary effect, when the vehicle on which the power storage device 51 is mounted collides, the wiring unit 2 is not disposed on the front, rear, left, and right sides of the device. It is possible to prevent a short circuit due to contact with the assembled battery 1. Therefore, it is not necessary to prepare and protect the strong casing 50, and safety can be ensured by an economically advantageous method.
　以上、本発明の実施形態について詳述したが、本発明は、前記の実施形態に限定されるものではなく、特許請求の範囲に記載された本発明の精神を逸脱しない範囲で、種々の設計変更を行うことができるものである。例えば、前記した実施の形態は本発明を分かりやすく説明するために詳細に説明したものであり、必ずしも説明した全ての構成を備えるものに限定されるものではない。また、ある実施形態の構成の一部を他の実施形態の構成に置き換えることが可能であり、また、ある実施形態の構成に他の実施形態の構成を加えることも可能である。さらに、各実施形態の構成の一部について、他の構成の追加・削除・置換をすることが可能である。 Although the embodiments of the present invention have been described in detail above, the present invention is not limited to the above-described embodiments, and various designs can be made without departing from the spirit of the present invention described in the claims. It can be changed. For example, the above-described embodiment has been described in detail for easy understanding of the present invention, and is not necessarily limited to one having all the configurations described. Further, a part of the configuration of an embodiment can be replaced with the configuration of another embodiment, and the configuration of another embodiment can be added to the configuration of an embodiment. Furthermore, it is possible to add, delete, and replace other configurations for a part of the configuration of each embodiment.
１　組電池
２　配線部
３Ａ、３Ｂ　単電池
４　蓋
５　容器
６　バスバー
７　バスバー接続端子
８　容器接続端子
９Ａ、９Ｂ　電圧検出線
１０　コネクタ
１１　モジュール正極端子
１２　モジュール負極端子
２０　容器接続端子
２１　絶縁シート
４０　モジュールケース
５０　筐体
５１　蓄電装置 DESCRIPTION OF SYMBOLS 1 Assembly battery 2 Wiring part 3A, 3B Cell 4 Cover 5 Container 6 Bus bar 7 Bus bar connection terminal 8 Container connection terminal 9A, 9B Voltage detection line 10 Connector 11 Module positive electrode terminal 12 Module negative electrode terminal 20 Container connection terminal 21 Insulation sheet 40 Module Case 50 Case 51 Power storage device

Claims (9)

  1. 　蓋と容器が互いに異なる極を構成する複数の単電池が平行に配列されて前記蓋の位置が前記複数の単電池の配列方向に交差する方向の一方側と他方側に交互に反転して並べられており、前記複数の単電池がバスバーで直列に接続されている組電池であって、
    　前記複数の単電池の少なくとも一つの電圧を検出する電圧検出線と、
    　該電圧検出線が接続される配線部と、を有し、
    　該配線部が、前記複数の単電池の配列方向に交差する方向の一方側と他方側のいずれか一方に配置されていることを特徴とする組電池。     A plurality of unit cells, each having a lid and a container that constitute different poles, are arranged in parallel, and the positions of the lids are alternately reversed and arranged on one side and the other side in a direction intersecting the arrangement direction of the plurality of unit cells. A plurality of unit cells connected in series with a bus bar,
    A voltage detection line for detecting at least one voltage of the plurality of unit cells;
    A wiring portion to which the voltage detection line is connected,
    The battery pack is characterized in that the wiring portion is arranged on either one side or the other side in a direction intersecting the arrangement direction of the plurality of unit cells.
  2. 　前記電圧検出線は、前記蓋が構成する一方の極に電気的に接続される第一の電圧検出線と、前記容器が構成する他方の極に電気的に接続される第二の電圧検出線を有し、
    　前記第一の電圧検出線と前記第二の電圧検出線は、前記配線部が配置されている側に導出されていることを特徴とする請求項１に記載の組電池。     The voltage detection line includes a first voltage detection line that is electrically connected to one pole of the lid, and a second voltage detection line that is electrically connected to the other pole of the container. Have
    2. The assembled battery according to claim 1, wherein the first voltage detection line and the second voltage detection line are led out to a side where the wiring portion is disposed.
  3. 　前記複数の単電池は、前記蓋が上下に交互に連続して配置される姿勢状態で並べられており、
    　前記配線部は、前記複数の単電池の上側に配置されていることを特徴とする請求項２に記載の組電池。     The plurality of single cells are arranged in a posture state in which the lids are alternately and continuously arranged up and down,
    The assembled battery according to claim 2, wherein the wiring portion is disposed above the plurality of unit cells.
  4. 　前記複数の単電池は、前記蓋が前記容器の上側に位置する姿勢状態の第一の単電池と、該第一の単電池に隣接して前記蓋が前記容器の下側に位置する姿勢状態の第二の単電池とを有し、
    　前記第一の電圧検出線は、前記第一の単電池の前記蓋が構成する一方の極に電気的に接続される第一の端子を有し、
    　前記第二の電圧検出線は、前記第一の単電池の前記容器が構成する他方の極に電気的に接続される第二の端子を有することを特徴とする請求項３に記載の組電池。     The plurality of single cells include a first single cell in a posture state in which the lid is located above the container, and a posture state in which the lid is located below the container adjacent to the first single cell. A second cell of
    The first voltage detection line has a first terminal that is electrically connected to one pole of the lid of the first unit cell,
    4. The assembled battery according to claim 3, wherein the second voltage detection line has a second terminal electrically connected to the other electrode of the container of the first unit cell. .
  5. 　前記第一の端子は、前記バスバーのうち、前記第一の単電池の蓋と前記第二の単電池の容器との間を接続するバスバーに接続されていることを特徴とする請求項４に記載の組電池。 The said 1st terminal is connected to the bus bar which connects between the lid | cover of a said 1st single cell, and the container of a said 2nd single cell among the said bus bars. The assembled battery as described.
  6. 　前記第一の端子は、前記第一の単電池の蓋に接続されていることを特徴とする請求項４に記載の組電池。 The assembled battery according to claim 4, wherein the first terminal is connected to a lid of the first unit cell.
  7. 　前記第二の端子は、前記第一の単電池の容器に溶接されていることを特徴とする請求項４に記載の組電池。 The assembled battery according to claim 4, wherein the second terminal is welded to the container of the first cell.
  8. 　前記複数の単電池は、前記容器が絶縁シートで被覆されており、
    　前記第二の端子は、前記第一の単電池の容器と前記絶縁シートとの間に挟持されていることを特徴とする請求項４に記載の組電池。     In the plurality of unit cells, the container is covered with an insulating sheet,
    The assembled battery according to claim 4, wherein the second terminal is sandwiched between a container of the first unit cell and the insulating sheet.
  9. 　前記複数の電池を保持するモジュールケースを有しており、
    　前記第二の端子は、前記複数の単電池が前記モジュールケースに保持された状態で、前記第二の単電池の容器と前記モジュールケースとの間に挟持されていることを特徴とする請求項４に記載の組電池。     A module case for holding the plurality of batteries;
    The second terminal is sandwiched between a container of the second unit cell and the module case in a state where the plurality of unit cells are held in the module case. 4. The assembled battery according to 4.
PCT/JP2016/072580 2015-09-14 2016-08-02 Battery pack WO2017047258A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2017539757A JPWO2017047258A1 (en) 2015-09-14 2016-08-02 Assembled battery

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2015180691 2015-09-14
JP2015-180691 2015-09-14

Publications (1)

Publication Number Publication Date
WO2017047258A1 true WO2017047258A1 (en) 2017-03-23

Family

ID=58288975

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2016/072580 WO2017047258A1 (en) 2015-09-14 2016-08-02 Battery pack

Country Status (2)

Country Link
JP (1) JPWO2017047258A1 (en)
WO (1) WO2017047258A1 (en)

Cited By (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110048038A (en) * 2018-01-15 2019-07-23 车王电子股份有限公司 Battery pack
KR20210067756A (en) * 2019-11-29 2021-06-08 삼성에스디아이 주식회사 Battery pack
CN114072953A (en) * 2019-06-07 2022-02-18 上奥地利州中央合作银行股份公司 Device having a carrier with an opening for receiving a battery cell on a peripheral side
CN114175372A (en) * 2019-08-09 2022-03-11 株式会社村田制作所 Battery pack
JP2023502545A (en) * 2020-12-18 2023-01-24 江▲蘇▼▲時▼代新能源科技有限公司 Battery and device
US11616266B2 (en) 2019-11-29 2023-03-28 Samsung Sdi Co., Ltd. Battery pack including exhaust pipe
US11652256B2 (en) 2019-11-29 2023-05-16 Samsung Sdi Co., Ltd. Battery pack
US11721864B2 (en) 2019-11-29 2023-08-08 Samsung Sdi Co., Ltd. Battery pack with separated cooling channels and discharge path
US11837738B2 (en) 2019-11-29 2023-12-05 Samsung Sdi Co., Ltd. Battery pack

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001155789A (en) * 1999-11-24 2001-06-08 Shin Kobe Electric Mach Co Ltd Battery for electric car
JP2001325931A (en) * 2000-05-19 2001-11-22 Shin Kobe Electric Mach Co Ltd Battery pack structure, battery pack and battery module

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001155789A (en) * 1999-11-24 2001-06-08 Shin Kobe Electric Mach Co Ltd Battery for electric car
JP2001325931A (en) * 2000-05-19 2001-11-22 Shin Kobe Electric Mach Co Ltd Battery pack structure, battery pack and battery module

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110048038A (en) * 2018-01-15 2019-07-23 车王电子股份有限公司 Battery pack
CN114072953A (en) * 2019-06-07 2022-02-18 上奥地利州中央合作银行股份公司 Device having a carrier with an opening for receiving a battery cell on a peripheral side
CN114175372A (en) * 2019-08-09 2022-03-11 株式会社村田制作所 Battery pack
CN114175372B (en) * 2019-08-09 2024-03-19 株式会社村田制作所 Battery pack
KR20210067756A (en) * 2019-11-29 2021-06-08 삼성에스디아이 주식회사 Battery pack
US11616266B2 (en) 2019-11-29 2023-03-28 Samsung Sdi Co., Ltd. Battery pack including exhaust pipe
US11652256B2 (en) 2019-11-29 2023-05-16 Samsung Sdi Co., Ltd. Battery pack
KR102533159B1 (en) * 2019-11-29 2023-05-17 삼성에스디아이 주식회사 Battery pack
US11721864B2 (en) 2019-11-29 2023-08-08 Samsung Sdi Co., Ltd. Battery pack with separated cooling channels and discharge path
US11837738B2 (en) 2019-11-29 2023-12-05 Samsung Sdi Co., Ltd. Battery pack
JP2023502545A (en) * 2020-12-18 2023-01-24 江▲蘇▼▲時▼代新能源科技有限公司 Battery and device

Also Published As

Publication number Publication date
JPWO2017047258A1 (en) 2018-04-05

Similar Documents

Publication Publication Date Title
WO2017047258A1 (en) Battery pack
JP5223607B2 (en) High voltage detection module device for battery pack
US11043721B2 (en) Connection structure of conductor and conductive module
EP2827405B1 (en) Battery wiring module
CN103430351B (en) Busbar module and comprise the power-supply device of this busbar module
KR101853397B1 (en) Battery Module
KR102085344B1 (en) Battery pack for a vehicle and Vehicle including the same
KR101679913B1 (en) Battery module
US9793028B2 (en) Wiring module, wiring-module intermediary body and method for manufacturing wiring module
WO2013069756A1 (en) Wiring module
KR102490605B1 (en) Submodule for high voltage battery
WO2014034801A1 (en) Structure for holding voltage detecting terminal
WO2017068943A1 (en) Wiring module
WO2015163113A1 (en) Wiring module
WO2017179650A1 (en) Power storage device
JP7044614B2 (en) Busbar module, battery module, battery pack and battery cell connection method
KR101241798B1 (en) Electric power controller for a hybrid car
US11075430B2 (en) Wiring module
CN109565023B (en) Wiring module
US20230231259A1 (en) Battery wiring module
US20180047952A1 (en) Electricity storage pack
US11349179B2 (en) Wiring module and power storage module
JP7309314B2 (en) vehicle battery pack
JP4697100B2 (en) Battery module
US20220376350A1 (en) Energy storage facility

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 16846131

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2017539757

Country of ref document: JP

Kind code of ref document: A

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 16846131

Country of ref document: EP

Kind code of ref document: A1