JPH03230474A - Integrated battery - Google Patents
Integrated batteryInfo
- Publication number
- JPH03230474A JPH03230474A JP2024712A JP2471290A JPH03230474A JP H03230474 A JPH03230474 A JP H03230474A JP 2024712 A JP2024712 A JP 2024712A JP 2471290 A JP2471290 A JP 2471290A JP H03230474 A JPH03230474 A JP H03230474A
- Authority
- JP
- Japan
- Prior art keywords
- current collector
- negative electrode
- positive electrode
- electrode current
- unit
- 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.)
- Pending
Links
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 abstract description 4
- 239000003792 electrolyte Substances 0.000 abstract description 3
- 229910052751 metal Inorganic materials 0.000 abstract description 3
- 239000002184 metal Substances 0.000 abstract description 3
- 239000007773 negative electrode material Substances 0.000 abstract description 3
- 239000005486 organic electrolyte Substances 0.000 abstract description 3
- 239000007774 positive electrode material Substances 0.000 abstract description 3
- 239000004743 Polypropylene Substances 0.000 abstract description 2
- 239000011888 foil Substances 0.000 abstract description 2
- 239000004745 nonwoven fabric Substances 0.000 abstract description 2
- -1 polypropylene Polymers 0.000 abstract description 2
- 229920001155 polypropylene Polymers 0.000 abstract description 2
- 238000003466 welding Methods 0.000 abstract description 2
- 238000007789 sealing Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 241001674048 Phthiraptera Species 0.000 description 1
- 239000006182 cathode active material Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 239000000463 material Substances 0.000 description 1
Classifications
-
- 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
Landscapes
- Connection Of Batteries Or Terminals (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
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。DETAILED DESCRIPTION OF THE INVENTION Field of Industrial Application Batteries using an organic electrolyte as the electrolyte have a large internal resistance and are not suitable for use in discharging at a relatively large current density. To this end, cylindrical batteries have been proposed in which constituent elements such as electrodes and separators are made thinner to increase the electrode area. However, when such a cylindrical battery is applied to a device, about 25% of the space is lost, which impedes 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。Furthermore, in order to obtain high capacity and high voltage, proposals have been made to assemble various types of batteries. However, in various batteries of conventional structure, parallel connection and series connection are complicated due to the terminal structure, and a large number of assembly steps are required, which is a problem.
例えば、ボタン形電池を用いた場合、これを直列接続す
るためには接続毎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, when using button batteries, each connection must be welded between each cell in order to connect them in series. In addition, in order to connect in parallel, a connecting rod must be used and welded between each cell.
発明の目的
本発明は上記従来の問題点に鑑み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。Purpose of the Invention The present invention has been made in view of the above-mentioned conventional problems.
The object of the present invention is to provide an assembled battery that is excellent in safety and space/volume efficiency, has low connection resistance, and can have arbitrary capacity and voltage.
発明の構成
本発明は上記目的を達成するべく、
相対する２枚の集電体シートの間に複数の電池群を有し
、且つ２枚の集電体シートの各面が正極並びに負極面を
共有してなる集合電池ユニットの複数個を、その集電体
シートの正極部同士、負極部同士を接合するべく積重ね
て電気的に接続したことを特徴とする集合電池である。Structure of the Invention In order to achieve the above object, the present invention has a plurality of battery groups between two opposing current collector sheets, and each surface of the two current collector sheets has a positive electrode surface and a negative electrode surface. This is an assembled battery characterized in that a plurality of shared assembled battery units are stacked and electrically connected so that the positive electrode parts and the negative electrode parts of the current collector sheets are joined to each other.
実施例
以下、本発明の詳細について、−実施例により説明する
。EXAMPLES The details of the present invention will be explained below with reference to Examples.
第１図は本発明の一実施例を示した集合電池の斜視図、
第２図は集合電池ユニ７）の断面図、第３図は集合電池
ユニットの構成を示した図、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 perspective view of an assembled battery showing an embodiment of the present invention;
Fig. 2 is a cross-sectional view of the assembled battery unit 7), Fig. 3 is a diagram showing the configuration of the assembled battery unit, Fig. 4 is a plan view of the unit cell,
FIG. 5 is an enlarged sectional view of a main part taken along the line BB in FIG. 4.
ここで１は正極集電体シート、２は負極集電体シート、
３は集合電池ユニット、４は負極端子部、５は封口部、
６は単電池、７はユニットの封口部、８は正極集電体、
９は負極集電体、１０は正極活物質、１１はセパレータ
、１２は負極活物質、１３は単電池の負極端子部、１４
は集合電池ユニットの正極集電体シート、１５は集合電
池ユニットの負極集電体シー訃、１６は正極端子部、１
７は負極端子部である。Here, 1 is a positive electrode current collector sheet, 2 is a negative electrode current collector sheet,
3 is an assembled battery unit, 4 is a negative electrode terminal part, 5 is a sealing part,
6 is a cell, 7 is a sealing part of the unit, 8 is a positive electrode current collector,
9 is a negative electrode current collector, 10 is a positive electrode active material, 11 is a separator, 12 is a negative electrode active material, 13 is a negative electrode terminal part of a unit cell, 14
1 is the positive electrode current collector sheet of the assembled battery unit, 15 is the negative electrode current collector sheet of the assembled battery unit, 16 is the positive electrode terminal portion, 1
7 is a negative electrode terminal portion.
単電池は、正極集電体８、負極集電体９が各々厚みが１
０ＰＷＩのステンレス箔である。正極活物質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、
セパレータはポリプロピレン不織布、負極活物質１２は
リチウムである・単電池の負極端子部１５は単電池の厚
みと同等もしくは少し厚く、この材質は金属である〇単
電池は各々点対称の位置に同じ構造の正極端子部を有し
ている。この単電池６を第３図に示した如く配してこれ
を１０七〃積層し、正極同士、負極同士とする。正極集
電体シート１４、負極集電体シート１５を用いて抵抗溶
接により接続して集合電池ユニットを作製する。（第２
図）
この集合電池ユニットを複数個、厚さが３０ｐｌＨのス
テンレス板よりなる正極集電体シート１の上に、集合電
池ユニットの正極端子部同士を配して接続する。負極端
子部上に負極集電体シート２を配して接続する。第１図
の集合電池が得られた。In the unit cell, the positive electrode current collector 8 and the negative electrode current collector 9 each have a thickness of 1
It is 0PWI stainless steel foil. The positive electrode active material 10 mainly contains manganese dioxide, the electrolyte is an organic electrolyte,
The separator is a polypropylene nonwoven fabric, and the negative electrode active material 12 is lithium.The negative electrode terminal part 15 of the cell is the same or slightly thicker than the cell, and this material is metal.The cells have the same structure at point-symmetrical positions. It has a positive terminal section. The single cells 6 are arranged as shown in FIG. 3 and stacked 107 times to form positive electrodes and negative electrodes. A positive electrode current collector sheet 14 and a negative electrode current collector sheet 15 are connected by resistance welding to produce an assembled battery unit. (Second
Figure) A plurality of these assembled battery units are connected to each other by placing the positive electrode terminals of the assembled battery units on a positive electrode current collector sheet 1 made of a stainless steel plate having a thickness of 30 plH. A negative electrode current collector sheet 2 is placed on the negative electrode terminal portion for connection. The assembled battery shown in FIG. 1 was obtained.
尚、集合電池ユニットは、上記実施例では並列接続の場
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。Note that although the above embodiment shows the case where the assembled battery units are connected in parallel, any voltage can be obtained by connecting them 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。It is also possible to easily collect a plurality of battery packs.
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、又高電圧の
集合電池が出来る。By appropriately combining parallel connections and series connections in this way, it is possible to create large-capacity, high-voltage assembled batteries whose thickness and width can be freely changed.
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 flat plate-shaped single cells, it has extremely excellent space-volume efficiency.
又、シート状の金属集電体を用いているので、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。Furthermore, since a sheet-shaped metal current collector is used, current collection is easy and connection resistance is low. Because it is thin and has good heat dissipation,
Low temperature rise during large current discharge, excellent 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、容量及び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０Effects of the Invention As described above, the present invention can provide an assembled battery with excellent safety and space-volume efficiency, low connection resistance, and the ability to arbitrarily obtain capacity and voltage, so its industrial value is extremely large. Some 0
第１図は本発明の一実施例を示した集合電池の斜視図、
第２図は集合電池ユニットの断面図、第３図は集合電池
二ニア）の構成を示した図、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Ｖ−ト２・・・負極集電体シート３
・・・集合電池ユニット ４・・・負極端子部５・・
・封口部 ６・・・単電池７・・・ユニット
の封口部 ８・・・正極集電体９・・・負極集電体
１０・・・正極活物質ａ５＆ｌＩ八 ｍ伐虱他休
式賃征
第１図
第２図
第４図
第３図
第５図FIG. 1 is a perspective view of an assembled battery showing an embodiment of the present invention;
Fig. 2 is a cross-sectional view of the assembled battery unit, Fig. 3 is a diagram showing the configuration of the assembled battery (II), Fig. 4 is a plan view of the unit cell,
FIG. 5 is an enlarged sectional view of a main part taken along the line BB in FIG. 4. 1... Positive electrode current collector V-to 2... Negative electrode current collector sheet 3
...Collected battery unit 4...Negative electrode terminal section 5...
- Sealing part 6... Cell 7... Sealing part of unit 8... Positive electrode current collector 9... Negative electrode current collector
10...Cathode active material a5&lI 8 m cutting lice etc. Figure 1 Figure 2 Figure 4 Figure 3 Figure 5
Claims (1)
、且つ２枚の集電体シートの各面が正極並びに負極面を
共有してなる集合ユニット電池の複数個を、その集電体
シートの正極部同士、負極部同士を接合するべく積重ね
て電気的に接続したことを特徴とする集合電池。A plurality of aggregate unit batteries each having a plurality of battery groups between two opposing current collector sheets and each surface of the two current collector sheets sharing a positive electrode and a negative electrode surface, An assembled battery characterized in that the positive electrode parts of current collector sheets and the negative electrode parts of current collector sheets are stacked and electrically connected to each other so as to be joined.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2024712A JPH03230474A (en) | 1990-02-02 | 1990-02-02 | Integrated battery |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2024712A JPH03230474A (en) | 1990-02-02 | 1990-02-02 | Integrated battery |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03230474A true JPH03230474A (en) | 1991-10-14 |
Family
ID=12145786
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2024712A Pending JPH03230474A (en) | 1990-02-02 | 1990-02-02 | Integrated battery |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03230474A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6371996B1 (en) | 1999-04-26 | 2002-04-16 | Toshiba Battery Co., Ltd. | Manufacturing method of batteries |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5418043A (en) * | 1977-06-30 | 1979-02-09 | Polaroid Corp | Flatttype layerrbuilt cell |
| JPS58117659A (en) * | 1981-08-24 | 1983-07-13 | ポラロイド・コ−ポレ−シヨン | Terminal web used for manufacturing laminated battery terminal |
| JPS5940470A (en) * | 1982-08-30 | 1984-03-06 | Fuji Elelctrochem Co Ltd | Laminated cell |
-
1990
- 1990-02-02 JP JP2024712A patent/JPH03230474A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5418043A (en) * | 1977-06-30 | 1979-02-09 | Polaroid Corp | Flatttype layerrbuilt cell |
| JPS58117659A (en) * | 1981-08-24 | 1983-07-13 | ポラロイド・コ−ポレ−シヨン | Terminal web used for manufacturing laminated battery terminal |
| JPS5940470A (en) * | 1982-08-30 | 1984-03-06 | Fuji Elelctrochem Co Ltd | Laminated cell |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6371996B1 (en) | 1999-04-26 | 2002-04-16 | Toshiba Battery Co., Ltd. | Manufacturing method of batteries |
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