JP6246904B2 - 二次電池 - Google Patents
二次電池 Download PDFInfo
- Publication number
- JP6246904B2 JP6246904B2 JP2016512735A JP2016512735A JP6246904B2 JP 6246904 B2 JP6246904 B2 JP 6246904B2 JP 2016512735 A JP2016512735 A JP 2016512735A JP 2016512735 A JP2016512735 A JP 2016512735A JP 6246904 B2 JP6246904 B2 JP 6246904B2
- Authority
- JP
- Japan
- Prior art keywords
- base
- current collector
- winding axis
- secondary battery
- collector plate
- 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.)
- Active
Links
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
- H01M50/50—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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
-
- 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
- H01M50/531—Electrode connections inside a battery casing
- H01M50/534—Electrode connections inside a battery casing characterised by the material of the leads or tabs
-
- 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
- H01M50/574—Devices or arrangements for the interruption of current
- H01M50/579—Devices or arrangements for the interruption of current in response to shock
-
- 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
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/052—Li-accumulators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
- H01M10/0587—Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M2200/00—Safety devices for primary or secondary batteries
- H01M2200/20—Pressure-sensitive devices
-
- 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 of a single cell or a single battery
- H01M50/172—Arrangements of electric connectors penetrating the casing
- H01M50/174—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells
- H01M50/176—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells for prismatic or rectangular cells
-
- 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
-
- 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
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
Description
以下、図面を参照して本発明の二次電池の実施形態1を説明する。
次に、本発明の二次電池の実施形態2について図1から図9を援用し、図10を用いて説明する。
Claims (9)
- 外部端子と電池容器内の電極との間の電流経路を遮断する電流遮断機構を備えた二次電池であって、
前記電流遮断機構は、前記電極に接続された集電板と、該集電板の基部に接続され、前記電池容器内の圧力上昇によって変形して前記基部との接続が断たれるダイヤフラムと、該ダイヤフラムおよび前記集電板の基部を前記電池容器の内側に固定する絶縁部材と、を備え、
前記絶縁部材は、前記基部の厚さ方向に突出する突起部を有し、
前記基部は、前記突起部を前記厚さ方向に通す切り欠き部を有し、
前記突起部は、前記基部の前記絶縁部材と反対側の端面および前記厚さ方向に沿う側面に係合する係合部を有することを特徴とする二次電池。 - 前記突起部は、熱可塑性の樹脂材料によって形成され、
前記係合部は、前記基部の前記端面と前記側面とに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。 - 前記係合部は、前記基部の前記端面と前記側面との間の角部に熱溶着されていることを特徴とする請求項2に記載の二次電池。
- 前記係合部は、前記突起部を径方向に拡大させて形成されていることを特徴とする請求項3に記載の二次電池。
- 前記電極をセパレータと交互に積層して捲回軸周りに捲回した電極群を備え、
前記集電板は、前記電極群の前記捲回軸方向の端部に配置され、
前記基部は、前記捲回軸方向の内側と外側にそれぞれ前記切り欠き部を有することを特徴とする請求項4に記載の二次電池。 - 前記集電板は、前記基部の前記捲回軸方向の外側の端部から延びて前記電極群の前記端部において前記電極に接続された端子部を有し、
前記捲回軸方向において、前記基部の前記外側の前記切り欠き部の深さは、前記内側の前記切り欠き部の深さよりも深いことを特徴とする請求項5に記載の二次電池。 - 前記集電板は、前記基部の前記捲回軸方向の外側の端部から延びて前記電極群の前記端部において前記電極に接続された端子部を有し、
前記基部は、前記捲回軸方向の内側と外側にそれぞれ一対の切り欠き部を有し、
前記外側の一対の前記切り欠き部の間隔が、前記内側の一対の前記切り欠き部の間隔よりも狭いことを特徴とする請求項5に記載の二次電池。 - 前記電極をセパレータと交互に積層して捲回軸周りに捲回した電極群を備え、
前記集電板は、前記電極群の前記捲回軸方向の端部に配置され、
前記基部は、前記捲回軸方向の内側に前記切り欠き部を有し、
前記絶縁部材は、前記捲回軸方向の外側に前記基部の前記端面および前記側面を支持固定する支持凸部を有し、
前記支持凸部は、前記捲回軸方向の内側が開放されて前記基部を係合させる係合溝を有することを特徴とする請求項4に記載の二次電池。 - 前記ダイヤフラムは、アルミニウムまたはアルミニウム合金によって製作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。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014080293 | 2014-04-09 | ||
JP2014080293 | 2014-04-09 | ||
PCT/JP2015/060801 WO2015156270A1 (ja) | 2014-04-09 | 2015-04-07 | 二次電池 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2015156270A1 JPWO2015156270A1 (ja) | 2017-04-13 |
JP6246904B2 true JP6246904B2 (ja) | 2017-12-13 |
Family
ID=54287846
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2016512735A Active JP6246904B2 (ja) | 2014-04-09 | 2015-04-07 | 二次電池 |
Country Status (4)
Country | Link |
---|---|
US (1) | US10388939B2 (ja) |
JP (1) | JP6246904B2 (ja) |
CN (1) | CN106133950B (ja) |
WO (1) | WO2015156270A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7462429B2 (ja) | 2020-02-26 | 2024-04-05 | キヤノン株式会社 | 情報処理装置、情報処理方法、及びプログラム |
Families Citing this family (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2017022113A (ja) * | 2015-07-13 | 2017-01-26 | 株式会社豊田自動織機 | 蓄電装置 |
CN107123774B (zh) * | 2016-02-25 | 2019-10-11 | 比亚迪股份有限公司 | 单体电池、电池模组、动力电池及电动汽车 |
JP6888934B2 (ja) | 2016-09-29 | 2021-06-18 | トヨタ自動車株式会社 | 二次電池 |
JP6565873B2 (ja) * | 2016-11-21 | 2019-08-28 | トヨタ自動車株式会社 | 密閉型電池 |
CN110235280B (zh) * | 2017-01-25 | 2022-07-05 | 三洋电机株式会社 | 二次电池 |
JP6897220B2 (ja) * | 2017-03-27 | 2021-06-30 | トヨタ自動車株式会社 | 密閉型電池 |
JP6880452B2 (ja) * | 2017-08-10 | 2021-06-02 | トヨタ自動車株式会社 | 密閉型電池 |
JP6690615B2 (ja) * | 2017-09-04 | 2020-04-28 | トヨタ自動車株式会社 | 二次電池 |
JP7001957B2 (ja) * | 2018-03-02 | 2022-01-20 | トヨタ自動車株式会社 | 電池の製造方法および電池 |
US10980116B1 (en) * | 2020-09-30 | 2021-04-13 | Inventus Power, Inc. | Flexible battery matrix for a conformal wearable battery |
US11477885B2 (en) | 2020-09-30 | 2022-10-18 | Inventus Power, Inc. | Redundant trace fuse for a conformal wearable battery |
US11064604B1 (en) | 2020-09-30 | 2021-07-13 | Inventus Power, Inc. | Flexible circuit board for a conformal wearable battery |
US10950913B1 (en) | 2020-09-30 | 2021-03-16 | Inventus Power, Inc. | Impact absorbing member for a conformal wearable battery |
US11349174B2 (en) | 2020-09-30 | 2022-05-31 | Inventus Power, Inc. | Flexible battery matrix for a conformal wearable battery |
US11081755B1 (en) | 2020-09-30 | 2021-08-03 | Inventus Power, Inc. | Housing for a conformal wearable battery |
US11251497B1 (en) | 2020-09-30 | 2022-02-15 | Inventus Power, Inc. | Conformal wearable battery |
USD937222S1 (en) | 2020-10-30 | 2021-11-30 | Inventus Power, Inc. | Electrical contact |
USD939433S1 (en) | 2020-10-30 | 2021-12-28 | Inventus Power, Inc. | Battery |
JP7402144B2 (ja) * | 2020-11-05 | 2023-12-20 | 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 | 電池およびその製造方法 |
US11394077B1 (en) | 2021-03-15 | 2022-07-19 | Inventus Power, Inc. | Conformal wearable battery |
US11581607B1 (en) | 2021-09-30 | 2023-02-14 | Inventus Power, Inc. | Thermal management for a conformal wearable battery |
USD1009794S1 (en) * | 2022-07-29 | 2024-01-02 | Bren-Tronics, Inc. | Contact assembly for a battery |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6162555A (en) * | 1999-07-15 | 2000-12-19 | Metallic Power, Inc. | Particle feeding apparatus for electrochemical power source and method of making same |
KR100501142B1 (ko) * | 2000-09-01 | 2005-07-18 | 산요덴키가부시키가이샤 | 리튬 2차 전지용 음극 및 그 제조 방법 |
JP5018087B2 (ja) * | 2004-09-29 | 2012-09-05 | 株式会社Gsユアサ | 密閉形電池、密閉形電池用リード、及び密閉形電池の複数個で構成した組電池 |
CN100444430C (zh) * | 2005-06-16 | 2008-12-17 | 日产自动车株式会社 | 扁平型电池及采用该扁平型电池的电池组 |
WO2011057074A2 (en) * | 2009-11-06 | 2011-05-12 | Northwestern University | Electrode material comprising graphene-composite materials in a graphite network |
JP2012038529A (ja) | 2010-08-05 | 2012-02-23 | Toyota Motor Corp | 電池およびそれを搭載する車両,電気機器 |
JP5772641B2 (ja) * | 2012-02-09 | 2015-09-02 | トヨタ自動車株式会社 | 密閉型電池、及び、密閉型電池の製造方法 |
JP6107266B2 (ja) * | 2012-03-19 | 2017-04-05 | トヨタ自動車株式会社 | 二次電池および二次電池の製造方法 |
JP5741541B2 (ja) * | 2012-09-07 | 2015-07-01 | トヨタ自動車株式会社 | 二次電池の集電端子及び二次電池 |
EP2924761B1 (en) * | 2012-11-26 | 2018-06-13 | Hitachi Automotive Systems, Ltd. | Rectangular secondary battery |
JP5910888B2 (ja) * | 2013-01-21 | 2016-04-27 | トヨタ自動車株式会社 | 密閉電池 |
-
2015
- 2015-04-07 CN CN201580017770.XA patent/CN106133950B/zh active Active
- 2015-04-07 US US15/300,816 patent/US10388939B2/en active Active
- 2015-04-07 WO PCT/JP2015/060801 patent/WO2015156270A1/ja active Application Filing
- 2015-04-07 JP JP2016512735A patent/JP6246904B2/ja active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7462429B2 (ja) | 2020-02-26 | 2024-04-05 | キヤノン株式会社 | 情報処理装置、情報処理方法、及びプログラム |
Also Published As
Publication number | Publication date |
---|---|
CN106133950A (zh) | 2016-11-16 |
JPWO2015156270A1 (ja) | 2017-04-13 |
US20170025669A1 (en) | 2017-01-26 |
WO2015156270A1 (ja) | 2015-10-15 |
CN106133950B (zh) | 2019-06-21 |
US10388939B2 (en) | 2019-08-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JP6246904B2 (ja) | 二次電池 | |
JP5452303B2 (ja) | 二次電池とその製造方法 | |
JP6185175B2 (ja) | 二次電池 | |
JP6363893B2 (ja) | 二次電池 | |
JP5106024B2 (ja) | 電池 | |
JP6328271B2 (ja) | 角形二次電池 | |
JP6192807B2 (ja) | 二次電池 | |
JP6208258B2 (ja) | 角形二次電池 | |
JP6423250B2 (ja) | 二次電池 | |
JP6235435B2 (ja) | 二次電池 | |
JPWO2014080518A1 (ja) | 角形二次電池 | |
JP6121568B2 (ja) | 角形二次電池 | |
JP6262069B2 (ja) | 二次電池 | |
JP6446239B2 (ja) | 二次電池 | |
JP5087110B2 (ja) | 二次電池 | |
JP2014139904A (ja) | 角形二次電池 | |
JP6530819B2 (ja) | 二次電池 | |
JP6235419B2 (ja) | 二次電池 | |
JP2018125109A (ja) | 二次電池および組電池 | |
JP6235422B2 (ja) | 二次電池 | |
JP6562726B2 (ja) | 角形二次電池及びその製造方法 | |
JP2019012638A (ja) | 蓄電装置および蓄電装置の製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20170613 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20171031 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20171115 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6246904 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313111 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |
|
R250 | Receipt of annual fees |
Free format text: JAPANESE INTERMEDIATE CODE: R250 |