JP5024615B2 - 密閉型電池 - Google Patents
密閉型電池 Download PDFInfo
- Publication number
- JP5024615B2 JP5024615B2 JP2007267248A JP2007267248A JP5024615B2 JP 5024615 B2 JP5024615 B2 JP 5024615B2 JP 2007267248 A JP2007267248 A JP 2007267248A JP 2007267248 A JP2007267248 A JP 2007267248A JP 5024615 B2 JP5024615 B2 JP 5024615B2
- Authority
- JP
- Japan
- Prior art keywords
- cutoff valve
- current cutoff
- battery
- current
- conductive
- 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.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims description 35
- 230000002159 abnormal effect Effects 0.000 claims description 17
- 230000005611 electricity Effects 0.000 claims description 3
- 239000011888 foil Substances 0.000 description 88
- 238000005520 cutting process Methods 0.000 description 18
- 230000007246 mechanism Effects 0.000 description 16
- 239000000463 material Substances 0.000 description 11
- HBBGRARXTFLTSG-UHFFFAOYSA-N Lithium ion Chemical compound [Li+] HBBGRARXTFLTSG-UHFFFAOYSA-N 0.000 description 10
- 229910001416 lithium ion Inorganic materials 0.000 description 10
- 229910052751 metal Inorganic materials 0.000 description 9
- 239000002184 metal Substances 0.000 description 9
- 239000003792 electrolyte Substances 0.000 description 6
- 229910052782 aluminium Inorganic materials 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 5
- 239000007773 negative electrode material Substances 0.000 description 5
- 239000007774 positive electrode material Substances 0.000 description 4
- 239000008151 electrolyte solution Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 230000002093 peripheral effect Effects 0.000 description 3
- 238000003466 welding Methods 0.000 description 3
- 238000004804 winding Methods 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910013870 LiPF 6 Inorganic materials 0.000 description 2
- 230000005856 abnormality Effects 0.000 description 2
- 239000011149 active material Substances 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 229910003002 lithium salt Inorganic materials 0.000 description 2
- 159000000002 lithium salts Chemical class 0.000 description 2
- 229910052987 metal hydride Inorganic materials 0.000 description 2
- -1 nickel metal hydride Chemical class 0.000 description 2
- 238000003860 storage Methods 0.000 description 2
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- OIFBSDVPJOWBCH-UHFFFAOYSA-N Diethyl carbonate Chemical compound CCOC(=O)OCC OIFBSDVPJOWBCH-UHFFFAOYSA-N 0.000 description 1
- KMTRUDSVKNLOMY-UHFFFAOYSA-N Ethylene carbonate Chemical compound O=C1OCCO1 KMTRUDSVKNLOMY-UHFFFAOYSA-N 0.000 description 1
- 229910012851 LiCoO 2 Inorganic materials 0.000 description 1
- 229910015643 LiMn 2 O 4 Inorganic materials 0.000 description 1
- 229910013290 LiNiO 2 Inorganic materials 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 229910003481 amorphous carbon Inorganic materials 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003575 carbonaceous material Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 239000011889 copper foil Substances 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000011245 gel electrolyte Substances 0.000 description 1
- 229910002804 graphite Inorganic materials 0.000 description 1
- 239000010439 graphite Substances 0.000 description 1
- 230000020169 heat generation Effects 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 230000007257 malfunction Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- 229920005672 polyolefin resin Polymers 0.000 description 1
- 229920005989 resin Polymers 0.000 description 1
- 239000011347 resin Substances 0.000 description 1
- 239000007784 solid electrolyte Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 229910000314 transition metal oxide Inorganic materials 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
- H01M50/107—Primary casings; Jackets or wrappings characterised by their shape or physical structure having curved cross-section, e.g. round or elliptic
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/10—Primary casings; Jackets or wrappings
- H01M50/183—Sealing members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/317—Re-sealable arrangements
- H01M50/325—Re-sealable arrangements comprising deformable valve members, e.g. elastic or flexible valve members
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/30—Arrangements for facilitating escape of gases
- H01M50/342—Non-re-sealable arrangements
-
- 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
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Gas Exhaust Devices For Batteries (AREA)
Description
20 封口蓋
21 絶縁板
22 電流遮断弁
23 側面
24 キャップ
25 破断された刻印
26 封口底板
27 小孔
28 ガス抜き孔
29 取付部位
40 外装ケース
42 開口部
44 ガスケット
80 電極体
85 集電板
90 組電池
92 車両
100 電池
Claims (6)
- 電極体と、
前記電極体を収容する外装ケースと、
前記外装ケースの開口部を塞ぐ封口蓋と、
前記外装ケース内の異常内圧によって変形する電流遮断弁と
を備え、
前記電流遮断弁には、当該電流遮断弁と前記電極体との間を通電する複数の導電部材が取り付けられており、
前記複数の導電部材は、前記異常内圧による電流遮断弁の変形によってそれぞれ異なる時点で順次切断され、当該電流遮断弁と前記電極体との間に流れる電流を遮断するように構成されていることを特徴とする、密閉型電池。 - 前記電流遮断弁は、前記封口蓋に設けられていることを特徴とする、請求項1に記載の密閉型電池。
- 前記複数の導電部材は、それぞれ、前記電流遮断弁の取付部位に所定の弛み代を有する状態で取り付けられており、
前記取付部位は、前記電流遮断弁の変形によって前記導電部材の弛み代を伸張させる方向に移動し、当該移動に伴って前記複数の導電部材はそれぞれ異なる時点で順次切断されていくように構成されていることを特徴とする、請求項1又は2に記載の密閉型電池。 - 前記複数の導電部材は、それぞれ異なる弛み代を有する状態で、且つ、前記電流遮断弁の同一の取付部位に取り付けられていることを特徴とする、請求項3に記載の密閉型電池。
- 前記複数の導電部材は、それぞれ同一の弛み代を有する状態で、且つ、前記電流遮断弁の異なる取付部位に取り付けられていることを特徴とする、請求項3に記載の密閉型電池。
- 請求項1〜5のいずれか一つに記載の密閉型電池を備える車両。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007267248A JP5024615B2 (ja) | 2007-10-12 | 2007-10-12 | 密閉型電池 |
KR1020107007700A KR101203332B1 (ko) | 2007-10-12 | 2008-10-07 | 밀폐형 전지 |
CN2008801106839A CN101821875B (zh) | 2007-10-12 | 2008-10-07 | 密闭型电池 |
PCT/JP2008/002832 WO2009047893A2 (en) | 2007-10-12 | 2008-10-07 | Sealed battery |
US12/681,894 US20100209746A1 (en) | 2007-10-12 | 2008-10-07 | Sealed battery |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007267248A JP5024615B2 (ja) | 2007-10-12 | 2007-10-12 | 密閉型電池 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2009099286A JP2009099286A (ja) | 2009-05-07 |
JP5024615B2 true JP5024615B2 (ja) | 2012-09-12 |
Family
ID=40549717
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2007267248A Expired - Fee Related JP5024615B2 (ja) | 2007-10-12 | 2007-10-12 | 密閉型電池 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20100209746A1 (ja) |
JP (1) | JP5024615B2 (ja) |
KR (1) | KR101203332B1 (ja) |
CN (1) | CN101821875B (ja) |
WO (1) | WO2009047893A2 (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010137101A1 (ja) * | 2009-05-25 | 2010-12-02 | トヨタ自動車株式会社 | 二次電池および電池パック,その電池パックを搭載した車両および機器 |
US20110217572A1 (en) * | 2010-03-02 | 2011-09-08 | Lenovo (Singapore) Pte. Ltd. | Double acting venting mechanism for battery cells |
JP5780071B2 (ja) * | 2010-10-28 | 2015-09-16 | 三洋電機株式会社 | 非水電解液二次電池及びその製造方法 |
KR102306443B1 (ko) * | 2014-09-26 | 2021-09-28 | 삼성에스디아이 주식회사 | 이차 전지 |
KR101818630B1 (ko) * | 2015-04-22 | 2018-01-15 | 주식회사 엘지화학 | 안전성이 향상된 이차전지 |
CN108352479A (zh) * | 2015-12-25 | 2018-07-31 | 松下知识产权经营株式会社 | 非水电解质二次电池 |
US10020477B2 (en) | 2016-11-01 | 2018-07-10 | Ford Global Technologies, Llc | Battery enclosure vent assembly and venting method |
KR102461773B1 (ko) * | 2018-03-16 | 2022-11-02 | 주식회사 엘지에너지솔루션 | 이차전지 및 그 이차전지의 제조방법 |
KR20210009654A (ko) * | 2019-07-17 | 2021-01-27 | 주식회사 엘지화학 | 원통형 전지 및 원통형 전지 제조 방법 |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3907588A (en) * | 1970-01-21 | 1975-09-23 | Esb Inc | Electrochemical cell and safety resistor therefor |
US4855195A (en) * | 1988-07-11 | 1989-08-08 | Eveready Battery Company, Inc. | Electrochemical cell with internal circuit interrupter |
US5188909A (en) * | 1991-09-12 | 1993-02-23 | Eveready Battery Co., Inc. | Electrochemical cell with circuit disconnect device |
US5418084A (en) * | 1992-11-23 | 1995-05-23 | Eveready Battery Company, Inc. | Electrochemical cell having a safety vent closure |
JPH08185849A (ja) * | 1994-12-27 | 1996-07-16 | Fuji Elelctrochem Co Ltd | 防爆安全装置を備えた電気化学素子 |
TW367631B (en) * | 1997-04-21 | 1999-08-21 | Toyo Kohan Co Ltd | Closed battery |
JP3497380B2 (ja) * | 1998-06-02 | 2004-02-16 | 日本碍子株式会社 | リチウム二次電池 |
JP2000331671A (ja) * | 1999-05-19 | 2000-11-30 | Sanyo Electric Co Ltd | 電気エネルギー蓄積デバイス |
US20040170887A1 (en) * | 2001-08-07 | 2004-09-02 | Kenjin Masumoto | Non-aqueous electrolytic secondary battery |
JP3786074B2 (ja) * | 2002-10-10 | 2006-06-14 | 新神戸電機株式会社 | 密閉型電池 |
US7687189B2 (en) * | 2004-04-28 | 2010-03-30 | Eveready Battery Company, Inc. | Housing for a sealed electrochemical battery cell |
JP5011664B2 (ja) * | 2005-07-11 | 2012-08-29 | パナソニック株式会社 | 密閉型二次電池 |
US7763375B2 (en) * | 2006-05-24 | 2010-07-27 | Eveready Battery Company, Inc. | Current interrupt device for batteries |
-
2007
- 2007-10-12 JP JP2007267248A patent/JP5024615B2/ja not_active Expired - Fee Related
-
2008
- 2008-10-07 US US12/681,894 patent/US20100209746A1/en not_active Abandoned
- 2008-10-07 WO PCT/JP2008/002832 patent/WO2009047893A2/en active Application Filing
- 2008-10-07 KR KR1020107007700A patent/KR101203332B1/ko not_active IP Right Cessation
- 2008-10-07 CN CN2008801106839A patent/CN101821875B/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN101821875B (zh) | 2013-01-16 |
US20100209746A1 (en) | 2010-08-19 |
WO2009047893A2 (en) | 2009-04-16 |
CN101821875A (zh) | 2010-09-01 |
WO2009047893A3 (en) | 2009-07-23 |
JP2009099286A (ja) | 2009-05-07 |
KR20100059964A (ko) | 2010-06-04 |
KR101203332B1 (ko) | 2012-11-20 |
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