WO2011145608A1 - 双極型二次電池 - Google Patents
双極型二次電池 Download PDFInfo
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- WO2011145608A1 WO2011145608A1 PCT/JP2011/061300 JP2011061300W WO2011145608A1 WO 2011145608 A1 WO2011145608 A1 WO 2011145608A1 JP 2011061300 W JP2011061300 W JP 2011061300W WO 2011145608 A1 WO2011145608 A1 WO 2011145608A1
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- current collector
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- H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
- H01M50/116—Primary casings, jackets or wrappings of a single cell or a single battery characterised by the material
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- H01M10/04—Construction or manufacture in general
- H01M10/0413—Large-sized flat cells or batteries for motive or stationary systems with plate-like electrodes
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- H—ELECTRICITY
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- H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
- H01M50/116—Primary casings, jackets or wrappings of a single cell or a single battery characterised by the material
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- H01M50/572—Means for preventing undesired use or discharge
- H01M50/574—Devices or arrangements for the interruption of current
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- H—ELECTRICITY
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- H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/574—Devices or arrangements for the interruption of current
- H01M50/578—Devices or arrangements for the interruption of current in response to pressure
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- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2220/00—Batteries for particular applications
- H01M2220/20—Batteries in motive systems, e.g. vehicle, ship, plane
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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
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- 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
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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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
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Abstract
Description
Claims (7)
- 板状の集電体(22)と集電体(22)の一面に配置された正極活物質層(23)及び集電体(22)のもう一面に配置された負極活物質層(24)とからなる双極型電極(21)が電解質層(25)を介して複数積層された積層体(30)が、単数または複数直列接続されてなる電池本体(300)と;
電池本体(300)を内部に収装するケース(103)と;
一面をケース(103)の内周面に接合し、もう一面を電池本体(300)の一端に接合すると共にケース(103)外部に延出した正極集電板(101)と;
一面をケース(103)の内周面に接合し、もう一面を電池本体(300)のもう一端に接合すると共にケース(103)外部に延出した負極集電板(102)と;
ケース(103)の伸長変形に応じて、電池本体(300)を介した正極集電板(101)と負極集電板(102)との電気的接続を切断する切断メカニズムと、
を備える、双極型二次電池(100)。 - 切断メカニズムは、正極集電板(101)と電池本体(300)との剥離強度、負極集電板(102)と電池本体(103)との剥離強度、及び複数積層された積層体(30)の的相対同士間の剥離強度、の少なくとも一つよりも、正極集電板(101)とケース(103)の内周面との剥離強度もしくは負極集電板(102)とケース(103)の内周面との剥離強度が大きく設定されることにより構成される、請求項1の双極型二次電池(100)。
- ケース(103)の内周面と正極集電板(101)、ケース(103)の内周面と負極集電板(102)、正極集電板(101)と電池本体(300)の一端、負極集電番(102)と電池本体(300)のもう一端、がそれぞれ接着により接合される、請求項1または2の双極型二次電池(100)。
- ケース(103)はシート状のケース部材(103a,103b)で形成され、該ケース(103)は前記ケース部材(103a,103b)をケース(103)の内外方向に折り曲げて形成された折り返し部(11)を有する、請求項1から3のいずれかの双極型二次電池(100)。
- 正極集電板(101)と負極集電板(102)のいずれかに、正極集電板(101)もしくは負極集電板(102)をケース(103)の内外方向に折り曲げて形成された折り返し部(12)を有する請求項3の双極型二次電池(100)。
- 切断メカニズムは、ケース(103)に接続されたガスを発生させるインフレータ(14)と、電池本体(300)内部の短絡電流を検出するセンサ(16)と、電池本体(300)の内部に短絡電流が発生した場合に、インフレータ(14)を制御してケース(103)内にガスを供給するようにプログラムされたコントローラ(15)と、をさらに備える請求項2の双極型二次電池(100)。
- ケース(103)は金属箔を合成樹脂膜で被覆したラミネートフィルムで形成される、請求項1から6のいずれかの双極型二次電池(100)。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012515889A JP5459398B2 (ja) | 2010-05-19 | 2011-05-17 | 双極型二次電池 |
US13/698,173 US9450266B2 (en) | 2010-05-19 | 2011-05-17 | Bipolar secondary battery |
CN201180022309.5A CN102884668B (zh) | 2010-05-19 | 2011-05-17 | 双极型二次电池 |
EP11783542.1A EP2573856B1 (en) | 2010-05-19 | 2011-05-17 | Bipolar secondary battery |
KR1020127030460A KR101389207B1 (ko) | 2010-05-19 | 2011-05-17 | 쌍극형 2차 전지 |
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JP2010115113 | 2010-05-19 | ||
JP2010-115113 | 2010-05-19 |
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WO2011145608A1 true WO2011145608A1 (ja) | 2011-11-24 |
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PCT/JP2011/061300 WO2011145608A1 (ja) | 2010-05-19 | 2011-05-17 | 双極型二次電池 |
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US (1) | US9450266B2 (ja) |
EP (1) | EP2573856B1 (ja) |
JP (1) | JP5459398B2 (ja) |
KR (1) | KR101389207B1 (ja) |
CN (1) | CN102884668B (ja) |
WO (1) | WO2011145608A1 (ja) |
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JP2013535791A (ja) * | 2010-08-05 | 2013-09-12 | エルジー・ケム・リミテッド | 安全性が向上した二次電池用ポーチ及びこれを利用したポーチ型二次電池、中大型電池パック |
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- 2011-05-17 KR KR1020127030460A patent/KR101389207B1/ko active IP Right Grant
- 2011-05-17 US US13/698,173 patent/US9450266B2/en active Active
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Also Published As
Publication number | Publication date |
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CN102884668A (zh) | 2013-01-16 |
US20130059179A1 (en) | 2013-03-07 |
CN102884668B (zh) | 2015-05-13 |
KR101389207B1 (ko) | 2014-04-24 |
EP2573856A1 (en) | 2013-03-27 |
EP2573856B1 (en) | 2017-12-27 |
US9450266B2 (en) | 2016-09-20 |
EP2573856A4 (en) | 2014-07-30 |
KR20130008620A (ko) | 2013-01-22 |
JP5459398B2 (ja) | 2014-04-02 |
JPWO2011145608A1 (ja) | 2013-07-22 |
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