JP2005235531A - 密閉型電池 - Google Patents
密閉型電池 Download PDFInfo
- Publication number
- JP2005235531A JP2005235531A JP2004042116A JP2004042116A JP2005235531A JP 2005235531 A JP2005235531 A JP 2005235531A JP 2004042116 A JP2004042116 A JP 2004042116A JP 2004042116 A JP2004042116 A JP 2004042116A JP 2005235531 A JP2005235531 A JP 2005235531A
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- JP
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- Prior art keywords
- vent
- battery
- cleavage
- sealing
- sealing wall
- 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
- 238000007789 sealing Methods 0.000 claims abstract description 59
- 238000003776 cleavage reaction Methods 0.000 claims description 61
- 230000007017 scission Effects 0.000 claims description 61
- 230000002093 peripheral effect Effects 0.000 abstract description 4
- 230000000052 comparative effect Effects 0.000 description 20
- 238000004804 winding Methods 0.000 description 6
- 230000009172 bursting Effects 0.000 description 3
- 238000012790 confirmation Methods 0.000 description 3
- 230000002159 abnormal effect Effects 0.000 description 2
- 239000010960 cold rolled steel Substances 0.000 description 2
- 230000003247 decreasing effect Effects 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000007774 positive electrode material Substances 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 229910001416 lithium ion Inorganic materials 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000007773 negative electrode material Substances 0.000 description 1
- 239000011255 nonaqueous electrolyte Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 229920003002 synthetic resin Polymers 0.000 description 1
- 239000000057 synthetic resin Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Images
Classifications
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- 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
- Gas Exhaust Devices For Batteries (AREA)
Abstract
【解決手段】円筒形状の電池ケース1と、これの上面を密封する円形の封口板2とを有する。封口板2には、開裂ベント7が設けられている。開裂ベント7は、封口板2の表裏に溝10・11をそれぞれ設けることで、電池内圧が所定値以上の場合に開裂する薄肉部分12を有する。薄肉部分12は、封口板2の周縁と同心円になる円弧状に延びている。封口板2の中心Oと、開裂ベント7の両端とをそれぞれ結ぶ仮想直線間のベント角度θ1が、90°〜150°に設定されている。
【選択図】図1
Description
2 封口板
7 開裂ベント
10・11 開裂ベントの溝
12 薄肉部分
Claims (2)
- 円筒形状の電池ケースの上下面が円形の封口壁で密封されており、
前記封口壁の少なくとも一方に開裂ベントが配されており、
前記開裂ベントは、前記封口壁に対して溝を設けることで、電池内圧が所定値以上の場合に開裂する薄肉部分を含む密閉型電池において、
前記薄肉部分は、前記封口壁の周縁と同心円になる円弧状に延びており、
前記封口壁の中心と、前記開裂ベントの両端とをそれぞれ結ぶ仮想直線間のベント角度が、90°〜150°に設定されていることを特徴とする密閉型電池。 - 前記開裂ベントの前記薄肉部分は、前記封口壁の表裏に前記溝を対向状にプレス加工することで形成してあり、
前記表裏の溝の少なくとも一方は2段のプレス加工で形成されている請求項1記載の密閉型電池。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004042116A JP4121130B2 (ja) | 2004-02-18 | 2004-02-18 | 密閉型電池 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004042116A JP4121130B2 (ja) | 2004-02-18 | 2004-02-18 | 密閉型電池 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2005235531A true JP2005235531A (ja) | 2005-09-02 |
JP4121130B2 JP4121130B2 (ja) | 2008-07-23 |
Family
ID=35018266
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2004042116A Expired - Lifetime JP4121130B2 (ja) | 2004-02-18 | 2004-02-18 | 密閉型電池 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP4121130B2 (ja) |
Cited By (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007179793A (ja) * | 2005-12-27 | 2007-07-12 | Denso Corp | 密閉型電池用蓋体 |
WO2010087040A1 (ja) * | 2009-01-27 | 2010-08-05 | トヨタ自動車株式会社 | 安全弁とその製造方法,密閉型電池とその製造方法,車両,電池搭載機器 |
CN102130313A (zh) * | 2010-01-12 | 2011-07-20 | 比克国际(天津)有限公司 | 一种软包装电池及电池组 |
JP2016051656A (ja) * | 2014-09-01 | 2016-04-11 | 株式会社豊田自動織機 | 蓄電装置 |
KR20180065200A (ko) * | 2016-12-07 | 2018-06-18 | 엘에스엠트론 주식회사 | 내압개선 구조를 갖는 에너지 저장 장치 |
JP2018166023A (ja) * | 2017-03-28 | 2018-10-25 | Fdk株式会社 | 円筒形電池の封口体、および円筒形電池 |
JP2020047536A (ja) * | 2018-09-21 | 2020-03-26 | パナソニックIpマネジメント株式会社 | 密閉型電池 |
JPWO2021117426A1 (ja) * | 2019-12-13 | 2021-06-17 | ||
CN115066801A (zh) * | 2020-07-10 | 2022-09-16 | 宁德时代新能源科技股份有限公司 | 电池盒、电池单体、电池、制备电池盒的方法和装置 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102570969B1 (ko) | 2018-02-01 | 2023-08-25 | 삼성에스디아이 주식회사 | 원통형 리튬 이온 이차 전지 |
CN109873094A (zh) * | 2019-03-14 | 2019-06-11 | 四川福来威新能源科技有限公司 | 扣式电池 |
Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60140361U (ja) * | 1984-02-28 | 1985-09-17 | 日本電池株式会社 | 密閉形電池 |
JPH01309252A (ja) * | 1988-06-07 | 1989-12-13 | Asahi Chem Ind Co Ltd | 密閉電池 |
JPH11204093A (ja) * | 1998-01-12 | 1999-07-30 | Mitsubishi Cable Ind Ltd | ラプチャー板およびその製造方法 |
JP2000285892A (ja) * | 1999-03-31 | 2000-10-13 | Toshiba Electronic Engineering Corp | 非水電解液二次電池 |
JP2001023596A (ja) * | 1999-07-09 | 2001-01-26 | Serumu:Kk | 二次電池の防爆構造 |
JP2001338629A (ja) * | 2000-05-26 | 2001-12-07 | Fdk Corp | 防爆機能を備えた筒形密閉電池 |
JP2003059539A (ja) * | 2001-08-22 | 2003-02-28 | Shin Kobe Electric Mach Co Ltd | 円筒型リチウムイオン電池 |
-
2004
- 2004-02-18 JP JP2004042116A patent/JP4121130B2/ja not_active Expired - Lifetime
Patent Citations (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60140361U (ja) * | 1984-02-28 | 1985-09-17 | 日本電池株式会社 | 密閉形電池 |
JPH01309252A (ja) * | 1988-06-07 | 1989-12-13 | Asahi Chem Ind Co Ltd | 密閉電池 |
JPH11204093A (ja) * | 1998-01-12 | 1999-07-30 | Mitsubishi Cable Ind Ltd | ラプチャー板およびその製造方法 |
JP2000285892A (ja) * | 1999-03-31 | 2000-10-13 | Toshiba Electronic Engineering Corp | 非水電解液二次電池 |
JP2001023596A (ja) * | 1999-07-09 | 2001-01-26 | Serumu:Kk | 二次電池の防爆構造 |
JP2001338629A (ja) * | 2000-05-26 | 2001-12-07 | Fdk Corp | 防爆機能を備えた筒形密閉電池 |
JP2003059539A (ja) * | 2001-08-22 | 2003-02-28 | Shin Kobe Electric Mach Co Ltd | 円筒型リチウムイオン電池 |
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007179793A (ja) * | 2005-12-27 | 2007-07-12 | Denso Corp | 密閉型電池用蓋体 |
WO2010087040A1 (ja) * | 2009-01-27 | 2010-08-05 | トヨタ自動車株式会社 | 安全弁とその製造方法,密閉型電池とその製造方法,車両,電池搭載機器 |
JP2010176867A (ja) * | 2009-01-27 | 2010-08-12 | Toyota Motor Corp | 安全弁とその製造方法,密閉型電池とその製造方法,車両,電池搭載機器 |
US8431262B2 (en) | 2009-01-27 | 2013-04-30 | Toyota Jidosha Kabushiki Kaisha | Safety valve and manufacturing method thereof, sealed battery and manufacturing method thereof, vehicle, and battery mounting device |
CN102130313A (zh) * | 2010-01-12 | 2011-07-20 | 比克国际(天津)有限公司 | 一种软包装电池及电池组 |
JP2016051656A (ja) * | 2014-09-01 | 2016-04-11 | 株式会社豊田自動織機 | 蓄電装置 |
KR20180065200A (ko) * | 2016-12-07 | 2018-06-18 | 엘에스엠트론 주식회사 | 내압개선 구조를 갖는 에너지 저장 장치 |
US10950829B2 (en) | 2017-03-28 | 2021-03-16 | Fdk Corporation | Sealing body of cylindrical battery, and cylindrical battery |
JP2018166023A (ja) * | 2017-03-28 | 2018-10-25 | Fdk株式会社 | 円筒形電池の封口体、および円筒形電池 |
JP2020047536A (ja) * | 2018-09-21 | 2020-03-26 | パナソニックIpマネジメント株式会社 | 密閉型電池 |
JP7178656B2 (ja) | 2018-09-21 | 2022-11-28 | パナソニックIpマネジメント株式会社 | 密閉型電池 |
JPWO2021117426A1 (ja) * | 2019-12-13 | 2021-06-17 | ||
WO2021117426A1 (ja) * | 2019-12-13 | 2021-06-17 | パナソニックIpマネジメント株式会社 | 密閉型電池 |
JP7308469B2 (ja) | 2019-12-13 | 2023-07-14 | パナソニックIpマネジメント株式会社 | 密閉型電池 |
CN115066801A (zh) * | 2020-07-10 | 2022-09-16 | 宁德时代新能源科技股份有限公司 | 电池盒、电池单体、电池、制备电池盒的方法和装置 |
CN115066801B (zh) * | 2020-07-10 | 2024-01-05 | 宁德时代新能源科技股份有限公司 | 电池盒、电池单体、电池、制备电池盒的方法和装置 |
Also Published As
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