JP7059623B2 - 二次電池 - Google Patents
二次電池 Download PDFInfo
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- JP7059623B2 JP7059623B2 JP2017249077A JP2017249077A JP7059623B2 JP 7059623 B2 JP7059623 B2 JP 7059623B2 JP 2017249077 A JP2017249077 A JP 2017249077A JP 2017249077 A JP2017249077 A JP 2017249077A JP 7059623 B2 JP7059623 B2 JP 7059623B2
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- 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
- H01M50/50—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
- H01M50/581—Devices or arrangements for the interruption of current in response to temperature
-
- 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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
- H01M50/547—Terminals characterised by the disposition of the terminals on the cells
- H01M50/55—Terminals characterised by the disposition of the terminals on the cells on the same side of the cell
-
- 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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/543—Terminals
- H01M50/552—Terminals characterised by their shape
- H01M50/553—Terminals adapted for prismatic, pouch or rectangular cells
-
- 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
- H01M50/50—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
-
- 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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/584—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries
- H01M50/588—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries outside the batteries, e.g. incorrect connections of terminals or busbars
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- 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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/572—Means for preventing undesired use or discharge
- H01M50/584—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries
- H01M50/59—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries characterised by the protection means
- H01M50/593—Spacers; Insulating plates
-
- 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
- H01M50/20—Mountings; Secondary casings or frames; Racks, modules or packs; Suspension devices; Shock absorbers; Transport or carrying devices; Holders
- H01M50/204—Racks, modules or packs for multiple batteries or multiple cells
- H01M50/207—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape
- H01M50/209—Racks, modules or packs for multiple batteries or multiple cells characterised by their shape adapted for prismatic or rectangular cells
-
- 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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
- H01M50/505—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing comprising a single busbar
-
- 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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing
- H01M50/509—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside a battery casing characterised by the type of connection, e.g. mixed connections
- H01M50/51—Connection only in series
-
- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Sealing Battery Cases Or Jackets (AREA)
Description
図1は、実施の形態1に係る組電池を示す平面図である。図1を参照して、実施の形態1に係る組電池1について説明する。
図7は、実施の形態2に係る二次電池の正極端子側の構成を示す断面図である。図7を参照して、実施の形態2に係る二次電池100Aについて説明する。
Claims (4)
- 電池要素と、
前記電池要素を収容する筐体と、
前記筐体に収容され、前記電池要素に接続された集電部材と、
前記筐体に設けられ、前記電池要素に電気的に接続された正極端子および負極端子と、
前記正極端子および前記負極端子のうち一方の端子と前記筐体との電位を同電位とする接地状態から前記一方の端子と前記筐体とが電気的に遮断された遮断状態に切り替える遮断部と、を備え、
前記一方の端子は、前記筐体に対向する対向部と、前記接地状態および前記遮断状態の双方において前記集電部材と前記対向部とを電気的に接続する連結端子とを有し、
前記対向部は、前記筐体の外側に位置し、
前記遮断部は、前記対向部と前記筐体との間に配置され、前記対向部と前記筐体とによって直接挟みこまれており、
前記筐体が外部短絡した場合に、前記遮断部は、短絡電流が流れることにより発生する熱によって変形することにより、前記接地状態から前記遮断状態に切り替える、二次電池。 - 前記遮断部は、前記筐体が外部短絡した場合に前記遮断部に短絡電流が流れることで発生する熱によって溶融する導電性を有する溶融部材と、絶縁部材とを含み、
前記溶融部材および前記絶縁部材は、前記対向部と前記筐体との間において前記対向部と当接するように並んで配置されている、請求項1に記載の二次電池。 - 電池要素と、
前記電池要素を収容する筐体と、
前記筐体に設けられ、前記電池要素に電気的に接続された正極端子および負極端子と、
前記正極端子および前記負極端子のうち一方の端子と前記筐体との電位を同電位とする接地状態から前記一方の端子と前記筐体とが電気的に遮断された遮断状態に切り替える遮断部と、を備え、
前記一方の端子は、前記筐体に対向する対向部を有し、
前記遮断部は、前記対向部と前記筐体との間に配置され、前記対向部と前記筐体とによって直接挟みこまれており、
前記筐体が外部短絡した場合に、前記遮断部は、短絡電流が流れることにより発生する熱によって変形することにより、前記接地状態から前記遮断状態に切り替え、
前記遮断部は、第1金属層と、前記第1金属層と異なる線膨張係数を有する第2金属層とを含み、
前記第1金属層および前記第2金属層は、前記対向部と前記筐体とが対向する対向方向に積層して配置されている、二次電池。 - 前記対向部は、前記筐体の外側に位置する、請求項3に記載の二次電池。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017249077A JP7059623B2 (ja) | 2017-12-26 | 2017-12-26 | 二次電池 |
US16/216,434 US10833310B2 (en) | 2017-12-26 | 2018-12-11 | Secondary battery |
CN201811557594.0A CN110010837B (zh) | 2017-12-26 | 2018-12-19 | 二次电池 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017249077A JP7059623B2 (ja) | 2017-12-26 | 2017-12-26 | 二次電池 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019114501A JP2019114501A (ja) | 2019-07-11 |
JP7059623B2 true JP7059623B2 (ja) | 2022-04-26 |
Family
ID=66950681
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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JP2017249077A Active JP7059623B2 (ja) | 2017-12-26 | 2017-12-26 | 二次電池 |
Country Status (3)
Country | Link |
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US (1) | US10833310B2 (ja) |
JP (1) | JP7059623B2 (ja) |
CN (1) | CN110010837B (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101731467B1 (ko) * | 2010-01-29 | 2017-04-28 | 콘티넨탈 오토모티브 게엠베하 | 초음파 센서를 위한 감쇠 매스, 에폭시 수지의 사용 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7265708B2 (ja) * | 2019-11-08 | 2023-04-27 | トヨタ自動車株式会社 | 密閉型電池 |
CN113054295B (zh) * | 2019-12-26 | 2022-08-09 | 比亚迪股份有限公司 | 盖板组件、电池、电池模组、动力电池包和电动汽车 |
JP7414701B2 (ja) * | 2020-12-03 | 2024-01-16 | プライムプラネットエナジー&ソリューションズ株式会社 | 二次電池及び組電池 |
CN112993442B (zh) * | 2021-04-30 | 2021-07-30 | 嘉兴模度新能源有限公司 | 一种超级模组 |
CN113363684B (zh) * | 2021-05-31 | 2022-07-12 | 东莞新能安科技有限公司 | 电池组及用电设备 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003051304A (ja) | 2001-08-07 | 2003-02-21 | Matsushita Electric Ind Co Ltd | 非水電解質二次電池 |
JP2013098093A (ja) | 2011-11-02 | 2013-05-20 | Gs Yuasa Corp | 電池端子機能を有する安全素子、電池及び組電池 |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH05205727A (ja) * | 1992-01-30 | 1993-08-13 | Sanyo Electric Co Ltd | 密閉電池の安全装置 |
US5879832A (en) * | 1996-10-02 | 1999-03-09 | Duracell Inc. | Current interrupter for electrochemical cells |
JP3754793B2 (ja) * | 1997-03-29 | 2006-03-15 | 内橋エステック株式会社 | 温度ヒュ−ズ及び二次電池における温度ヒュ−ズの取付け構造 |
JP3609741B2 (ja) * | 2001-03-30 | 2005-01-12 | 三洋電機株式会社 | パック電池 |
KR20130039178A (ko) * | 2011-10-11 | 2013-04-19 | 삼성에스디아이 주식회사 | 이차 전지 |
DE102012213100B4 (de) * | 2012-07-25 | 2015-08-06 | Volkswagen Varta Microbattery Forschungsgesellschaft Mbh & Co. Kg | Batterie mit Thermoschalter und pneumatisch betätigbarem Schalter und Verfahren zum sicheren Betreiben der Batterie |
US9225002B2 (en) | 2013-10-24 | 2015-12-29 | Samsung Sdi Co., Ltd. | Rechargeable battery having fuse unit |
JP6707367B2 (ja) | 2016-02-29 | 2020-06-10 | 三洋電機株式会社 | 二次電池及び組電池 |
CN205752363U (zh) * | 2016-05-17 | 2016-11-30 | 比亚迪股份有限公司 | 电池保护装置、盖板组件及电池 |
CN107093699B (zh) * | 2017-05-05 | 2023-05-19 | 深圳市科达利实业股份有限公司 | 一种能受热短路和破坏防爆膜的电池盖板结构及电池 |
CN107093698B (zh) * | 2017-05-05 | 2024-03-26 | 深圳市科达利实业股份有限公司 | 一种具有热变形件的电池盖板结构及电池 |
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2017
- 2017-12-26 JP JP2017249077A patent/JP7059623B2/ja active Active
-
2018
- 2018-12-11 US US16/216,434 patent/US10833310B2/en active Active
- 2018-12-19 CN CN201811557594.0A patent/CN110010837B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003051304A (ja) | 2001-08-07 | 2003-02-21 | Matsushita Electric Ind Co Ltd | 非水電解質二次電池 |
JP2013098093A (ja) | 2011-11-02 | 2013-05-20 | Gs Yuasa Corp | 電池端子機能を有する安全素子、電池及び組電池 |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR101731467B1 (ko) * | 2010-01-29 | 2017-04-28 | 콘티넨탈 오토모티브 게엠베하 | 초음파 센서를 위한 감쇠 매스, 에폭시 수지의 사용 |
Also Published As
Publication number | Publication date |
---|---|
CN110010837A (zh) | 2019-07-12 |
US20190198850A1 (en) | 2019-06-27 |
JP2019114501A (ja) | 2019-07-11 |
CN110010837B (zh) | 2022-10-28 |
US10833310B2 (en) | 2020-11-10 |
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