JPH0473870A - Film cell aggregate - Google Patents
Film cell aggregateInfo
- Publication number
- JPH0473870A JPH0473870A JP2186673A JP18667390A JPH0473870A JP H0473870 A JPH0473870 A JP H0473870A JP 2186673 A JP2186673 A JP 2186673A JP 18667390 A JP18667390 A JP 18667390A JP H0473870 A JPH0473870 A JP H0473870A
- Authority
- JP
- Japan
- Prior art keywords
- film
- battery assembly
- cell
- film battery
- cell aggregate
- 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
Links
- 230000017525 heat dissipation Effects 0.000 claims description 7
- 239000000155 melt Substances 0.000 claims description 2
- 229920006223 adhesive resin Polymers 0.000 abstract description 4
- 239000003792 electrolyte Substances 0.000 abstract description 4
- 239000007773 negative electrode material Substances 0.000 abstract description 4
- 239000007774 positive electrode material Substances 0.000 abstract description 4
- 239000004020 conductor Substances 0.000 abstract description 3
- 239000012945 sealing adhesive Substances 0.000 abstract description 3
- 239000010408 film Substances 0.000 description 27
- 230000005855 radiation Effects 0.000 description 3
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 2
- 238000010292 electrical insulation Methods 0.000 description 2
- 229910052744 lithium Inorganic materials 0.000 description 2
- NUJOXMJBOLGQSY-UHFFFAOYSA-N manganese dioxide Chemical compound O=[Mn]=O NUJOXMJBOLGQSY-UHFFFAOYSA-N 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 206010000369 Accident Diseases 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000004642 Polyimide Substances 0.000 description 1
- 239000004743 Polypropylene Substances 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical group [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 description 1
- XHCLAFWTIXFWPH-UHFFFAOYSA-N [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] Chemical group [O-2].[O-2].[O-2].[O-2].[O-2].[V+5].[V+5] XHCLAFWTIXFWPH-UHFFFAOYSA-N 0.000 description 1
- 230000005856 abnormality Effects 0.000 description 1
- 239000004840 adhesive resin Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 235000009508 confectionery Nutrition 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- MHCFAGZWMAWTNR-UHFFFAOYSA-M lithium perchlorate Chemical compound [Li+].[O-]Cl(=O)(=O)=O MHCFAGZWMAWTNR-UHFFFAOYSA-M 0.000 description 1
- 229910001486 lithium perchlorate Inorganic materials 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 229920001721 polyimide Polymers 0.000 description 1
- 239000005518 polymer electrolyte Substances 0.000 description 1
- -1 polypropylene Polymers 0.000 description 1
- 229920001155 polypropylene Polymers 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010409 thin film Substances 0.000 description 1
- 229910001935 vanadium oxide Inorganic materials 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
- Sealing Battery Cases Or Jackets (AREA)
- Secondary Cells (AREA)
- Connection Of Batteries Or Terminals (AREA)
Abstract
Description
【発明の詳細な説明】
産業上の利用分野
本発明はフィルム電池の集合体の構造に関するものであ
る。DETAILED DESCRIPTION OF THE INVENTION Field of the Invention The present invention relates to the structure of a film battery assembly.
従来技術とその問題点
近年、リチウム電池の発火事故が発生し電池の安全性の
確保が大きな問題となっている。Prior art and its problems In recent years, fire accidents have occurred in lithium batteries, and ensuring the safety of batteries has become a major problem.
厚みが薄いフィルム電池は単電池における電池体積に対
する表面積が円筒形電池に比べてはるかに大きいことか
ら、放熱性がよく本質的に安全性が高い。Thin film batteries have a much larger surface area relative to the battery volume than cylindrical batteries, so they have better heat dissipation and are inherently safer.
しかし、積層構造の集合電池としたとき、内部短絡等に
より単電池が発熱すると、近接する他の電池に熱が伝わ
り、放熱が不十分となり電池温度が高くなる欠点が避け
られなかった。However, in the case of an assembled battery having a laminated structure, when a unit cell generates heat due to an internal short circuit or the like, the heat is transmitted to other nearby batteries, resulting in insufficient heat dissipation and an unavoidable drawback that the battery temperature increases.
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、
空間利用率に優れた安全性及び信幀性の極めて高いフィ
ルム電池集合体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 a film battery assembly that has excellent space utilization and extremely high safety and reliability.
発明の構成
本発明は上記目的を達成するべく、
フィルム電池を並列に接続してなるフィルム電池集合体
の群電池において、各単電池と群電池集合体間に過電流
により切断又は高抵抗となる要素を設けたことを特徴と
するフィルム電池集合体である。Structure of the Invention In order to achieve the above object, the present invention provides the following: In a group battery of a film battery assembly formed by connecting film batteries in parallel, there is no possibility of disconnection or high resistance between each unit cell and the group battery assembly due to overcurrent. This is a film battery assembly characterized by being provided with elements.
更に、該要素が単電池の電流通過部の一部の抵抗を増大
せしめる前記のフィルム電池集合体である。Further, the element is the film battery assembly described above that increases the resistance of a portion of the current passing portion of the unit cell.
更に、該要素が単電池の電流通過部の一部に過電流によ
り溶融切断する前記のフィルム電池集合体である。Further, the element is the above-mentioned film battery assembly in which a part of the current passing portion of the unit cell is melted and cut by an overcurrent.
更に、該フィルム電池が放熱フィンを有する前記のフィ
ルム電池集合体である。Further, the film battery is the above film battery assembly having heat radiation fins.
更に、単電池の外装が厚さ０．５脂以下の電気絶縁フィ
ルムで覆われ、且つ放熱用の輻０．５−以下の溝を有す
る前記のフィルム電池集合体である。Furthermore, in the film battery assembly described above, the exterior of the cell is covered with an electrically insulating film having a thickness of 0.5 mm or less, and has grooves for heat dissipation with a radius of 0.5 mm or less.
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。Example Hereinafter, the details of the present invention will be explained with reference to Examples.
第１図は本発明の一実施例を示したフィルム電池の平面
図、第２図は第１図のＡ−Ａ要部断面図、第３図は第１
図のＢ−Ｂ要部断面図、第４図は本発明の他の実施例を
示したフィルム電池の平面図、第５図は第４図のＣ−Ｃ
要部断面図、第６図は本発明の他の実施例を示したフィ
ルム電池の平面図、第７図は第６図のＤ−Ｄ要部断面図
である。FIG. 1 is a plan view of a film battery showing an embodiment of the present invention, FIG.
4 is a plan view of a film battery showing another embodiment of the present invention, and FIG. 5 is a sectional view taken along C-C in FIG. 4.
FIG. 6 is a plan view of a film battery showing another embodiment of the present invention, and FIG. 7 is a sectional view of the main portion taken along line DD in FIG. 6.
ここで１は正極活物質、２は電解質、３は負極活物質、
４は正極集電体、５は負極集電体、６は封口接着樹脂、
７．７′は電気絶縁フィルム、８は放熱溝、９はヒユー
ズ、１０は接続導体、１１はセル間接続線である。Here, 1 is a positive electrode active material, 2 is an electrolyte, 3 is a negative electrode active material,
4 is a positive electrode current collector, 5 is a negative electrode current collector, 6 is a sealing adhesive resin,
7.7' is an electrical insulating film, 8 is a heat radiation groove, 9 is a fuse, 10 is a connecting conductor, and 11 is an inter-cell connecting line.
実施例１
第１図に示した単電池の外形寸法は縦５４ｍ、横８６−
３厚み０．３−である、正極活物質は二酸化マンガン、
バナジウム酸化物等を主成分とする、電解質はボレエチ
レンオキシドに過塩素酸リチウムを加えた高分子固体電
解質である。Example 1 The external dimensions of the cell shown in Figure 1 are 54 m long and 86 m wide.
3. The positive electrode active material has a thickness of 0.3-, manganese dioxide,
The electrolyte is a solid polymer electrolyte made of boreethylene oxide and lithium perchlorate, whose main component is vanadium oxide.
負極活物質はリチウム又はカーボン等から成る。The negative electrode active material is made of lithium, carbon, or the like.
これらの発電要素の上下にステンレス製菓電体を配し、
各々の周縁部をポリプロピレン系熱接着性樹脂を介して
接着した。Stainless steel confectionery electric bodies are placed above and below these power generation elements,
The peripheral edges of each were adhered via a polypropylene thermal adhesive resin.
電気絶縁フィルムはテフロン、ポリイミド等の材質から
なる厚みが０．３閣であり、放熱のために幅０．５腫の
溝を設けている。尚、電気絶縁フィルムは厚さが厚い場
合、電池集合体としての体積エネルギー密度が低下する
だけでなく、放熱を妨げるので、厚みは０．５−以下が
望ましい。The electrical insulation film is made of Teflon, polyimide, or the like, and has a thickness of 0.3 mm, and is provided with grooves of 0.5 mm in width for heat dissipation. Note that if the electrical insulating film is thick, it not only reduces the volumetric energy density as a battery assembly but also impedes heat dissipation, so the thickness is preferably 0.5- or less.
ヒユーズはその材質が例えば錫であり、その断面積はｏ
、ｏｏｓ謹２である。The material of the fuse is tin, for example, and its cross-sectional area is o
, oos is 2nd.
第３図に示した如く、集電体の外周部をはみ出させるこ
とにより、放熱フィンとしての機能を保持せしめた。As shown in FIG. 3, by making the outer periphery of the current collector protrude, the function as a heat dissipation fin was maintained.
実施例２
第４図に、本発明の他の実施例を示したフィルム電池の
平面図を示した。実施例１のフィルム電池のヒユーズに
替えて、抵抗を増大せしめる構造とした。その他は、実
施例１と同様である。第４図のＣ−Ｃ要部断面図を第５
図に示した。集電体５′の電流通過部分の断面積を０．
００５ｍｍ２とした。Example 2 FIG. 4 shows a plan view of a film battery showing another example of the present invention. The fuse of the film battery of Example 1 was replaced with a structure that increased the resistance. The rest is the same as in Example 1. The sectional view of main part C-C in Figure 4 is shown in Figure 5.
Shown in the figure. The cross-sectional area of the current passing portion of the current collector 5' is set to 0.
005mm2.
実施例３
第６図に、本発明の他の実施例を示したフィルム電池の
平面図を示した。又、第７図に第６図のＤ−Ｄ要部断面
図を示した。実施例Ｉのフィルム電池のヒユーズに替え
てセル間接続線を用いた。その他は実施例１と同様であ
る。ここではセル間接続線が過電流により切断する構造
である。この材質は５ＵＳ３０４であり、断面積を０．
００５ｍｍ” （ｉｆ池面積１００ｃｄ）とした。Example 3 FIG. 6 shows a plan view of a film battery showing another example of the present invention. Further, FIG. 7 shows a sectional view of the main part taken along the line DD in FIG. 6. In place of the fuse in the film battery of Example I, an inter-cell connection wire was used. The rest is the same as in Example 1. Here, the structure is such that the inter-cell connection line is disconnected due to overcurrent. This material is 5US304 and has a cross-sectional area of 0.
005 mm" (if pond area 100 cd).
上記各々のフィルム電池は、内部短絡等の異常を生じて
過電流が流れた場合、溶融切断あるいは抵抗増大せしめ
て、正常な電池から強制通電がなされない。When an abnormality such as an internal short circuit occurs in each of the above-mentioned film batteries and an overcurrent flows through them, the battery melts and breaks or the resistance increases, and a normal battery cannot be forcibly energized.
発明の効果
上述した如く、本発明は空間利用率に優れた安全性及び
信輔性の極めて高いフィルム電池集合体を提供すること
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 a film battery assembly with excellent space utilization and extremely high safety and reliability, so its industrial value is extremely large.
第１図は本発明の一実施例を示したフィルム電池の平面
図、第２図は第１図のＡ−Ａ要部断面図、第３図は第１
図のＢ−Ｂ要部断面図、第４図は本発明の他の実施例を
示したフィルム電池の平面図、第５図は第４図のＣ−Ｃ
要部断面図、第６図は本発明の他の実施例を示したフィ
ルム電池の平面図、第７図は第６図のＤ−Ｄ要部断面図
である。
１・・・正極活物質 ２・・・電解質３・・・負極
活物質 ４・・・正極集電体５・・・負極集電体
６・・・封口接着樹脂７．７°・・・電気絶縁フィ
ルム ８・・・放熱溝９・・・ヒユーズ １０・
・・接続導体１１・・・セル間接続線FIG. 1 is a plan view of a film battery showing an embodiment of the present invention, FIG.
4 is a plan view of a film battery showing another embodiment of the present invention, and FIG. 5 is a sectional view taken along C-C in FIG. 4.
FIG. 6 is a plan view of a film battery showing another embodiment of the present invention, and FIG. 7 is a sectional view of the main portion taken along line DD in FIG. 6. 1... Positive electrode active material 2... Electrolyte 3... Negative electrode active material 4... Positive electrode current collector 5... Negative electrode current collector
6... Sealing adhesive resin 7.7°... Electrical insulation film 8... Heat radiation groove 9... Fuse 10.
... Connection conductor 11 ... Inter-cell connection line
Claims (5)
集合体の群電池において、各単電池と群電池集合体間に
過電流により切断又は高抵抗となる要素を設けたことを
特徴とするフィルム電池集合体。(1) A film characterized in that, in a group battery of a film battery assembly formed by connecting film batteries in parallel, an element is provided between each cell and the group battery assembly to cause disconnection or high resistance due to overcurrent. battery assembly.
せしめる請求項１記載のフィルム電池集合体。(2) The film battery assembly according to claim 1, wherein the element increases the resistance of a portion of the current passing portion of the unit cell.
り溶融切断する請求項１記載のフィルム電池集合体。(3) The film battery assembly according to claim 1, wherein the element melts and cuts a part of the current passing portion of the cell due to an overcurrent.
３記載のフィルム電池集合体。(4) Claims 1 to 4, wherein the film battery has heat dissipating fins.
3. The film battery assembly according to 3.
ィルムで覆われ、且つ放熱用の幅０．５ｍｍ以下の溝を
有する請求項１〜４のフィルム電池集合体。(5) The film battery assembly according to any one of claims 1 to 4, wherein the exterior of the unit cell is covered with an electrically insulating film having a thickness of 0.5 mm or less, and has a groove for heat dissipation with a width of 0.5 mm or less.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2186673A JP2616167B2 (en) | 1990-07-12 | 1990-07-12 | Film battery assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2186673A JP2616167B2 (en) | 1990-07-12 | 1990-07-12 | Film battery assembly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0473870A true JPH0473870A (en) | 1992-03-09 |
| JP2616167B2 JP2616167B2 (en) | 1997-06-04 |
Family
ID=16192658
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2186673A Expired - Fee Related JP2616167B2 (en) | 1990-07-12 | 1990-07-12 | Film battery assembly |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2616167B2 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003288863A (en) * | 2002-03-28 | 2003-10-10 | Tdk Corp | Electrochemical devices |
| JP2003323883A (en) * | 2002-05-07 | 2003-11-14 | Fuji Heavy Ind Ltd | Insulation sheet and electrode insulation structure for plate battery |
| JP2011040379A (en) * | 2009-08-18 | 2011-02-24 | Samsung Sdi Co Ltd | Rechargeable battery, and battery module |
| JP2013537690A (en) * | 2010-08-04 | 2013-10-03 | フロント エッジ テクノロジー，インコーポレイテッド | Rechargeable battery with current limiter |
| JP2014170735A (en) * | 2013-02-28 | 2014-09-18 | Samsung Sdi Co Ltd | Secondary battery |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR102629052B1 (en) * | 2018-06-19 | 2024-01-23 | 삼성에스디아이 주식회사 | Rechargeable battery |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5632378U (en) * | 1979-08-20 | 1981-03-30 | ||
| JPS63108677A (en) * | 1986-10-24 | 1988-05-13 | Toshiba Battery Co Ltd | Packed battery system |
-
1990
- 1990-07-12 JP JP2186673A patent/JP2616167B2/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5632378U (en) * | 1979-08-20 | 1981-03-30 | ||
| JPS63108677A (en) * | 1986-10-24 | 1988-05-13 | Toshiba Battery Co Ltd | Packed battery system |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003288863A (en) * | 2002-03-28 | 2003-10-10 | Tdk Corp | Electrochemical devices |
| JP2003323883A (en) * | 2002-05-07 | 2003-11-14 | Fuji Heavy Ind Ltd | Insulation sheet and electrode insulation structure for plate battery |
| JP2011040379A (en) * | 2009-08-18 | 2011-02-24 | Samsung Sdi Co Ltd | Rechargeable battery, and battery module |
| US8623537B2 (en) | 2009-08-18 | 2014-01-07 | Samsung Sdi Co., Ltd. | Rechargeable battery and battery module |
| JP2013537690A (en) * | 2010-08-04 | 2013-10-03 | フロント エッジ テクノロジー，インコーポレイテッド | Rechargeable battery with current limiter |
| JP2014170735A (en) * | 2013-02-28 | 2014-09-18 | Samsung Sdi Co Ltd | Secondary battery |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2616167B2 (en) | 1997-06-04 |
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