JP2005285526A5 - - Google Patents

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Publication number
JP2005285526A5
JP2005285526A5 JP2004097314A JP2004097314A JP2005285526A5 JP 2005285526 A5 JP2005285526 A5 JP 2005285526A5 JP 2004097314 A JP2004097314 A JP 2004097314A JP 2004097314 A JP2004097314 A JP 2004097314A JP 2005285526 A5 JP2005285526 A5 JP 2005285526A5
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JP
Japan
Prior art keywords
laminate
unit cell
cell according
butyl rubber
bent portion
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
Application number
JP2004097314A
Other languages
Japanese (ja)
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JP2005285526A (en
Filing date
Publication date
Application filed filed Critical
Priority to JP2004097314A priority Critical patent/JP2005285526A/en
Priority claimed from JP2004097314A external-priority patent/JP2005285526A/en
Publication of JP2005285526A publication Critical patent/JP2005285526A/en
Publication of JP2005285526A5 publication Critical patent/JP2005285526A5/ja
Pending legal-status Critical Current

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Claims (5)

正極タブ及び負極タブを有する電極体と、電解質と、ラミネート外装を備えたラミネート素電池において、該ラミネート外装の封止部の折り曲げ部には、ブチル系ゴムが施されていることを特徴とするラミネート素電池。 In a laminated unit cell including a positive electrode tab and a negative electrode tab, an electrolyte, and a laminate sheath, a butyl rubber is applied to a bent portion of a sealing portion of the laminate sheath. Laminated unit cell. 前記ラミネート外装は三方封止のものであり、前記ブチル系ゴムは前記折り曲げ部のボトム部に施されていることを特徴とする請求項１に記載のラミネート素電池 The laminate unit cell according to claim 1, wherein the laminate exterior is three-way sealed, and the butyl rubber is applied to a bottom portion of the bent portion. 前記ラミネート外装はカップ式に成型されているものであることを特徴とする請求項２に記載のラミネート素電池。   The laminate unit cell according to claim 2, wherein the laminate exterior is molded in a cup type. 前記ブチル系ゴムによりラミネートフィルムの折り曲げ部全体にわたって固定されていることを特徴とする請求項１〜３のいずれかに記載のラミネート素電池。 The laminated unit cell according to any one of claims 1 to 3 , wherein the butyl rubber is fixed over the entire bent portion of the laminate film. 前記電極体は、正極と、負極とを、セパレータを介して積層巻回した後、押し潰して製造した偏平な巻回電極体からなり、前記ラミネート外装はアルミラミネートフィルムからなることを特徴とする請求項１〜４にいずれかに記載のラミネート素電池。
The electrode body is composed of a flat wound electrode body produced by laminating and winding a positive electrode and a negative electrode through a separator and then crushing, and the laminate exterior is composed of an aluminum laminate film. The laminate unit cell according to any one of claims 1 to 4.
JP2004097314A 2004-03-30 2004-03-30 Laminated unit cell Pending JP2005285526A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2004097314A JP2005285526A (en) 2004-03-30 2004-03-30 Laminated unit cell

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2004097314A JP2005285526A (en) 2004-03-30 2004-03-30 Laminated unit cell

Publications (2)

Publication Number Publication Date
JP2005285526A JP2005285526A (en) 2005-10-13
JP2005285526A5 true JP2005285526A5 (en) 2006-06-15

Family

ID=35183679

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004097314A Pending JP2005285526A (en) 2004-03-30 2004-03-30 Laminated unit cell

Country Status (1)

Country Link
JP (1) JP2005285526A (en)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5057706B2 (en) * 2006-06-16 2012-10-24 株式会社東芝 Battery pack
KR100870354B1 (en) * 2007-05-18 2008-11-25 삼성에스디아이 주식회사 Label for secondary battery and secondary battey using thereof
KR101471672B1 (en) * 2008-09-17 2014-12-10 주식회사 엘지화학 Pouch for secondary battery and Secondary battery using the same
JP5449800B2 (en) * 2009-02-27 2014-03-19 三洋電機株式会社 Laminated battery
KR101725879B1 (en) * 2013-12-26 2017-04-11 주식회사 엘지화학 Process for Preparation of Pouch-typed Battery Cell Having Structure for Coating with Insulating Material on End of Sealing Part Bended
KR101650044B1 (en) * 2013-12-30 2016-08-22 주식회사 엘지화학 Battery Cell Having Structure for Coating with Electrical Insulating Material On End of Sealing Part Bended According to Shape of Receiving Portion in Case
KR101802296B1 (en) * 2015-02-16 2017-11-28 주식회사 엘지화학 Sealing Device Including Press Heating and Pressing Outer Circumference Surface of Battery Case
KR102229287B1 (en) * 2017-01-18 2021-03-18 주식회사 엘지화학 Pouch-typed Battery Case for Preventing Folding Crack
KR102263483B1 (en) * 2017-04-20 2021-06-11 주식회사 엘지에너지솔루션 Pouch-typed Battery Cell Having Protection Member for Preventing Internal Short-Circuit
CN111697269A (en) * 2019-03-12 2020-09-22 东莞新能德科技有限公司 Battery and preparation method thereof

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