JP2008130370A5 - - Google Patents

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Publication number
JP2008130370A5
JP2008130370A5 JP2006314351A JP2006314351A JP2008130370A5 JP 2008130370 A5 JP2008130370 A5 JP 2008130370A5 JP 2006314351 A JP2006314351 A JP 2006314351A JP 2006314351 A JP2006314351 A JP 2006314351A JP 2008130370 A5 JP2008130370 A5 JP 2008130370A5
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JP
Japan
Prior art keywords
secondary battery
film
electrode terminal
resin film
heat
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
JP2006314351A
Other languages
Japanese (ja)
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JP2008130370A (en
Filing date
Publication date
Application filed filed Critical
Priority to JP2006314351A priority Critical patent/JP2008130370A/en
Priority claimed from JP2006314351A external-priority patent/JP2008130370A/en
Publication of JP2008130370A publication Critical patent/JP2008130370A/en
Publication of JP2008130370A5 publication Critical patent/JP2008130370A5/ja
Pending legal-status Critical Current

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Claims (4)

熱溶着性フィルム同士が熱溶着された溶着部を有するフィルム状密閉容器に電極群が収容された大電流放電用二次電池において、前記電極群から導出された正極端子と負極端子とが前記密閉容器の溶着部にそれぞれ配設されており、前記溶着部の少なくとも一部に前記熱溶着性フィルムより低い温度で軟化する樹脂フィルムが挟み込まれて熱溶着されていることを特徴とする二次電池。 In a secondary battery for large current discharge in which an electrode group is housed in a film-like sealed container having a welded portion in which heat-welding films are thermally welded, a positive electrode terminal and a negative electrode terminal derived from the electrode group are sealed. A secondary battery, wherein the secondary battery is disposed in a welded portion of a container, and a resin film that is softened at a temperature lower than that of the heat-weldable film is sandwiched and thermally welded to at least a part of the welded portion. . 前記樹脂フィルムの軟化温度は、前記熱溶着性フィルムの軟化温度より４０°Ｃ以上低いことを特徴とする請求項１に記載の二次電池。 The secondary battery according to claim 1, wherein a softening temperature of the resin film is 40 ° C. or more lower than a softening temperature of the heat-weldable film. 前記樹脂フィルムは、ポリオレフィン系樹脂であることを特徴とする請求項１に記載の二次電池。 The secondary battery according to claim 1, wherein the resin film is a polyolefin-based resin. 前記樹脂フィルムは、前記正極端子と前記負極端子とがそれぞれ配設された辺以外の溶着部に挟み込まれて熱溶着されていることを特徴とする請求項１に記載の二次電池。 2. The secondary battery according to claim 1, wherein the resin film is thermally welded by being sandwiched between welding portions other than the sides on which the positive electrode terminal and the negative electrode terminal are respectively disposed.
JP2006314351A 2006-11-21 2006-11-21 Secondary battery for large-current discharge Pending JP2008130370A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2006314351A JP2008130370A (en) 2006-11-21 2006-11-21 Secondary battery for large-current discharge

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2006314351A JP2008130370A (en) 2006-11-21 2006-11-21 Secondary battery for large-current discharge

Publications (2)

Publication Number Publication Date
JP2008130370A JP2008130370A (en) 2008-06-05
JP2008130370A5 true JP2008130370A5 (en) 2009-11-26

Family

ID=39556003

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2006314351A Pending JP2008130370A (en) 2006-11-21 2006-11-21 Secondary battery for large-current discharge

Country Status (1)

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JP (1) JP2008130370A (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5761055B2 (en) * 2012-01-31 2015-08-12 株式会社Ｇｓユアサ battery
JP2021190246A (en) * 2020-05-28 2021-12-13 トヨタ自動車株式会社 Laminate type power storage device

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001283800A (en) * 2000-03-31 2001-10-12 Sanyo Electric Co Ltd Thin battery
KR20030066895A (en) * 2002-02-05 2003-08-14 삼성에스디아이 주식회사 Secondary battery
JP4742492B2 (en) * 2003-10-03 2011-08-10 日産自動車株式会社 Battery module, battery pack, and vehicle
JP4772289B2 (en) * 2004-03-25 2011-09-14 株式会社東芝 Nonaqueous electrolyte secondary battery
JP5309434B2 (en) * 2006-10-04 2013-10-09 日産自動車株式会社 Thin battery

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