JPH0821393B2 - Assembled battery - Google Patents
Assembled batteryInfo
- Publication number
- JPH0821393B2 JPH0821393B2 JP2019855A JP1985590A JPH0821393B2 JP H0821393 B2 JPH0821393 B2 JP H0821393B2 JP 2019855 A JP2019855 A JP 2019855A JP 1985590 A JP1985590 A JP 1985590A JP H0821393 B2 JPH0821393 B2 JP H0821393B2
- Authority
- JP
- Japan
- Prior art keywords
- current collector
- battery
- unit
- electrode current
- negative electrode
- 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.)
- Expired - Fee Related
Links
Classifications
-
- Y02E60/12—
Landscapes
- Primary Cells (AREA)
- Connection Of Batteries Or Terminals (AREA)
Description
【発明の詳細な説明】 産業上の利用分野 本発明は集合電池の構造に関するものである。TECHNICAL FIELD The present invention relates to the structure of an assembled battery.
従来技術とその問題点 電解液として、有機電解液を用いる電池においては、
電池の内部抵抗が大きく、比較的大電流密度で放電する
用途には適さない。このために、電極、セパレータ等の
各構成要素を薄くして電極面積を広くした円筒形電池が
提案されている。しかしこのような円筒形電池を機器に
適用した場合、空間の約25％をロスし、高性能電子機器
の空間体積効率を阻害する。Conventional technology and its problems In a battery that uses an organic electrolytic solution as an electrolytic solution,
Since the internal resistance of the battery is large, it is not suitable for use in discharging at a relatively large current density. For this reason, there has been proposed a cylindrical battery in which each component such as an electrode and a separator is thinned to widen the electrode area. However, when such a cylindrical battery is applied to a device, it loses about 25% of the space, hindering the space volume efficiency of high-performance electronic devices.
又、高容量、高電圧を得るべく、各種電池の集合化の
提案がなされている。しかし、従来構造の各種電池では
並列接続、直列接続がその端子構造上から複雑となり、
組立工数が多く必要であり問題である。Further, in order to obtain a high capacity and a high voltage, a proposal for assembling various batteries has been made. However, in various batteries of conventional structure, parallel connection and series connection become complicated due to its terminal structure,
This is a problem because it requires a large number of assembly steps.
例えば、ボタン形電池を用いた場合、これを直列接続
するためには接続缶を各々の単電池間に溶接せねばなら
ない。又、並列接続するためには、接続桿を用い、各々
の単電池間に溶接せねばならない。For example, in the case of using button type batteries, a connecting can must be welded between the individual cells in order to connect them in series. Also, in order to connect in parallel, a connecting rod must be used and welding must be performed between the individual cells.
発明の目的 本発明は上記従来の問題点に鑑みてなされたものであ
り、安全性及び空間体積効率に優れ、接続抵抗が小さ
い、容量、電圧が任意に得られる集合電池を提供するこ
とを目的とするものである。The present invention has been made in view of the above conventional problems, and an object of the present invention is to provide an assembled battery that is excellent in safety and space volume efficiency, has a small connection resistance, and has a capacity and a voltage that are arbitrarily obtained. It is what
発明の構成 本発明は上記目的を達成するべく、 ユニット電池の両面が各々正極集電体又は負極集電体か
らなり、複数のユニット電池を各々の極を該極の集電体
シートではさみ接続したことを特徴とする集合電池であ
る。According to the present invention, in order to achieve the above object, both sides of a unit battery are composed of a positive electrode current collector or a negative electrode current collector, and a plurality of unit batteries are connected to each pole with a current collector sheet of the poles. It is an assembled battery characterized by having done.
又、ユニット電池は薄形単電池を複数個積層したもの
である前記の集合電池である。The unit battery is the above-mentioned assembled battery in which a plurality of thin unit cells are stacked.
実施例 以下、本発明の詳細について一実施例により説明す
る。Examples Hereinafter, details of the present invention will be described by way of examples.
第１図は本発明の一実施例の集合電池の断面図、第２
図はユニット電池の断面図、第３図はユニット電池の構
成を示した断面図、第４図は単電池の平面図、第５図は
第４図のＢ−Ｂ部の要部拡大断面図である。FIG. 1 is a sectional view of an assembled battery according to an embodiment of the present invention, FIG.
The figure is a cross-sectional view of the unit battery, FIG. 3 is a cross-sectional view showing the structure of the unit battery, FIG. 4 is a plan view of the unit cell, and FIG. 5 is an enlarged cross-sectional view of the main part of the BB portion of FIG. Is.
ここで１は正極集電体シート、２は負極集電体シー
ト、３はユニット電池、４は正極集電体シート、５は負
極集電体シート、６は単電池、７は封口部、８は正極集
電体、９は負極集電体、10は正極、11はセパレータ、12
は負極、13は端子部である。Here, 1 is a positive electrode current collector sheet, 2 is a negative electrode current collector sheet, 3 is a unit battery, 4 is a positive electrode current collector sheet, 5 is a negative electrode current collector sheet, 6 is a single cell, 7 is a sealing portion, 8 Is a positive electrode current collector, 9 is a negative electrode current collector, 10 is a positive electrode, 11 is a separator, 12
Is a negative electrode and 13 is a terminal portion.
本発明に用いる単電池は第４図にその平面図を示し
た。端子部のＢ−Ｂ部の要部拡大断面図を第５図に示し
た。正極集電体８、負極集電体９は各々厚みが10μｍの
ステンレス箔である。正極10は二酸化マンガンを主成分
とし、電解液は有機電解液を用い、セパレータ11はポリ
プロピレン不織布、負極12はリチウムである。端子部13
は単電池の厚みと同等もしくは少し厚く、この材質は導
電性樹脂又は金属である。単電池は各々、正極端子部と
負極端子部を有している。The unit cell used in the present invention is shown in a plan view in FIG. FIG. 5 shows an enlarged cross-sectional view of the main part of the BB part of the terminal part. Each of the positive electrode current collector 8 and the negative electrode current collector 9 is a stainless foil having a thickness of 10 μm. The positive electrode 10 is mainly composed of manganese dioxide, the electrolytic solution is an organic electrolytic solution, the separator 11 is a polypropylene nonwoven fabric, and the negative electrode 12 is lithium. Terminal part 13
Is equal to or slightly thicker than the thickness of the unit cell, and this material is a conductive resin or metal. Each of the unit cells has a positive electrode terminal portion and a negative electrode terminal portion.
この単電池６を第３図に示した如く、正極、負極同士
を配してこれを10セル積層して、正極集電体シート４、
負極集電体シート５を用いて抵抗溶接により接続してユ
ニット電池を作製する。（第２図） 次に第２図に示したユニット電池を複数個、厚さが30
μｍのステンレス板よりなる正極集電体シート１上にユ
ニット電池の正を並べて、ユニット電池の負極上に30μ
ｍのステンレス板の負極集電体シートを置いて、抵抗溶
接により接続する。これによって、第１図に示した集合
電池が得られる。As shown in FIG. 3, the unit cell 6 has a positive electrode and a negative electrode, and 10 cells are laminated to form a positive electrode current collector sheet 4,
A unit battery is manufactured by connecting the negative electrode current collector sheet 5 by resistance welding. (FIG. 2) Next, a plurality of unit batteries shown in FIG.
Place the positive of the unit battery on the positive electrode current collector sheet 1 made of a stainless steel plate of μm, and place 30 μ on the negative electrode of the unit battery.
A negative electrode current collector sheet of a stainless steel plate of m is placed and connected by resistance welding. As a result, the assembled battery shown in FIG. 1 is obtained.
尚、ユニット電池の構成において、第３図では並列接
続の場合を示したが、直列接続することによって、任意
の電圧が得られる。Incidentally, in the configuration of the unit battery, although the case of parallel connection is shown in FIG. 3, any voltage can be obtained by connecting in series.
集合電池をさらに複数個集合することも容易に出来
る。このように、並列接続と直列接続を適宜組合せるこ
とによって、厚さ、幅方向を自由に変えた大容量、又高
電圧電池が出来る。It is also possible to easily assemble a plurality of assembled batteries. As described above, by appropriately combining the parallel connection and the series connection, a large-capacity and high-voltage battery having freely changed thickness and width directions can be obtained.
本発明による集合電池は、平板形単電池を用いるので
空間体積効率が極めて優れたものとなる。Since the assembled battery according to the present invention uses a flat cell, the space volume efficiency is extremely excellent.
又、シート状の金属集電体を使うので集電が容易で且
つ接続抵抗が小さい。薄形で放熱性が良いので、大電流
放電時の温度上昇が低く、安全性に優れている。Further, since the sheet-shaped metal current collector is used, current collection is easy and the connection resistance is small. Since it is thin and has good heat dissipation, the temperature rise during large current discharge is low and it is excellent in safety.
発明の効果 上述した如く、本発明は安全性及び空間体積効率に優
れ、接続抵抗が小さい、容量、電圧が任意に得られる集
合電池を提供することが出来るので、その工業的価値は
極めて大である。EFFECTS OF THE INVENTION As described above, the present invention can provide an assembled battery which is excellent in safety and space volume efficiency, has a small connection resistance, and can be arbitrarily obtained in capacity and voltage, and therefore has an extremely high industrial value. is there.
第１図は本発明の一実施例の集合電池の断面図、第２図
はユニット電池の断面図、第３図はユニット電池の構成
を示した断面図、第４図は単電池の平面図、第５図は第
４図のＢ−Ｂ部の要部拡大断面図である。 １……正極集電体シート、２……負極集電体シート ３……ユニット電池、６……単電池 ７……封口部、10……正極 11……セパレータ、12……負極 13……端子部FIG. 1 is a sectional view of an assembled battery according to an embodiment of the present invention, FIG. 2 is a sectional view of a unit battery, FIG. 3 is a sectional view showing a structure of a unit battery, and FIG. 4 is a plan view of a unit cell. 5 is an enlarged cross-sectional view of the main part of the BB portion in FIG. 1 ... Positive electrode current collector sheet, 2 ... Negative electrode current collector sheet 3 ... Unit battery, 6 ... Single cell 7 ... Seal part, 10 ... Positive electrode 11 ... Separator, 12 ... Negative electrode 13 ... Terminal part
───────────────────────────────────────────────────── フロントページの続き (56)参考文献 特開 昭61−168873（ＪＰ，Ａ) ─────────────────────────────────────────────────── ─── Continuation of the front page (56) References JP-A-61-168873 (JP, A)
Claims (1)
電体シートではさみ接続した集合電池であって、該ユニ
ット電池は薄形単電池を複数個積層したものであり、且
つ該ユニット電池の両面が各々正極集電体又は負極集電
体からなることを特徴とする集合電池。1. An assembled battery in which each pole of a plurality of unit cells is connected by sandwiching a current collector sheet of the poles, wherein the unit battery is formed by stacking a plurality of thin unit cells. An assembled battery, wherein both surfaces of the unit battery are made of a positive electrode current collector or a negative electrode current collector.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019855A JPH0821393B2 (en) | 1990-01-29 | 1990-01-29 | Assembled battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2019855A JPH0821393B2 (en) | 1990-01-29 | 1990-01-29 | Assembled battery |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03225765A JPH03225765A (en) | 1991-10-04 |
| JPH0821393B2 true JPH0821393B2 (en) | 1996-03-04 |
Family
ID=12010849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2019855A Expired - Fee Related JPH0821393B2 (en) | 1990-01-29 | 1990-01-29 | Assembled battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0821393B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4187870B2 (en) | 1999-04-26 | 2008-11-26 | 株式会社東芝 | Battery manufacturing method |
| JP5605348B2 (en) * | 2011-11-04 | 2014-10-15 | トヨタ自動車株式会社 | battery |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS61168873A (en) * | 1985-01-18 | 1986-07-30 | Yuasa Battery Co Ltd | Electrolyte circulation type lithium battery |
-
1990
- 1990-01-29 JP JP2019855A patent/JPH0821393B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH03225765A (en) | 1991-10-04 |
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| FPAY | Renewal fee payment (event date is renewal date of database) |
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| LAPS | Cancellation because of no payment of annual fees |