JP6926074B2 - 二次電池 - Google Patents
二次電池 Download PDFInfo
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- JP6926074B2 JP6926074B2 JP2018519219A JP2018519219A JP6926074B2 JP 6926074 B2 JP6926074 B2 JP 6926074B2 JP 2018519219 A JP2018519219 A JP 2018519219A JP 2018519219 A JP2018519219 A JP 2018519219A JP 6926074 B2 JP6926074 B2 JP 6926074B2
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- electrode
- metal plate
- negative electrode
- mixture layer
- negative
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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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M4/36—Selection of substances as active materials, active masses, active liquids
- H01M4/362—Composites
- H01M4/364—Composites as mixtures
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/05—Accumulators with non-aqueous electrolyte
- H01M10/058—Construction or manufacture
-
- 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
- H01M10/0585—Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/64—Heating or cooling; Temperature control characterised by the shape of the cells
- H01M10/647—Prismatic or flat cells, e.g. pouch cells
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/654—Means for temperature control structurally associated with the cells located inside the innermost case of the cells, e.g. mandrels, electrodes or electrolytes
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6551—Surfaces specially adapted for heat dissipation or radiation, e.g. fins or coatings
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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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/60—Heating or cooling; Temperature control
- H01M10/65—Means for temperature control structurally associated with the cells
- H01M10/655—Solid structures for heat exchange or heat conduction
- H01M10/6554—Rods or plates
- H01M10/6555—Rods or plates arranged between the cells
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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
- H01M50/40—Separators; Membranes; Diaphragms; Spacing elements inside cells
- H01M50/46—Separators, membranes or diaphragms characterised by their combination with electrodes
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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
- H01M50/531—Electrode connections inside a battery casing
- H01M50/54—Connection of several leads or tabs of plate-like electrode stacks, e.g. electrode pole straps or bridges
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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
- 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
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
- H01M2004/027—Negative electrodes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
- H01M4/00—Electrodes
- H01M4/02—Electrodes composed of, or comprising, active material
- H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
- H01M2004/028—Positive electrodes
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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
-
- 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
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Composite Materials (AREA)
- Secondary Cells (AREA)
- Connection Of Batteries Or Terminals (AREA)
Description
11 外装缶
12 封口板
13 正極外部端子
14 負極外部端子
15 ガス排出弁
16 注液部
17 電極体
18,18A,18B 電極群
20 正極
21 正極芯材
22 正極合材層
23 正極基部
24 正極タブ
30 負極
31 負極芯材
32 負極合材層
33 負極基部
34 負極タブ
40,41,42 セパレータ
50 金属板
Claims (4)
- 複数の正極、複数の負極、及び少なくとも1つのセパレータを含み、前記各正極と前記各負極が前記セパレータを介して交互に積層された複数の電極群と、
前記各電極群の間に配置された少なくとも1つの金属板と、
を有する電極体を備え、
前記各電極群の両端に配置される電極は、前記負極であり、
前記金属板は、少なくとも1つの前記電極群を構成する前記負極の合材層と接触し、当該合材層以外の導電性部材と非接触の状態で設けられ、
前記金属板は、前記正極の合材層が形成された部分よりも大きく、前記負極を介して当該部分の全体と重なるように設けられている、二次電池。 - 複数の正極、複数の負極、及び少なくとも1つのセパレータを含み、前記各正極と前記各負極が前記セパレータを介して交互に積層された複数の電極群と、
前記各電極群の間に配置された少なくとも1つの金属板と、
を有する電極体を備え、
前記各電極群の両端に配置される電極は、前記負極であり、
前記金属板は、少なくとも1つの前記電極群を構成する前記負極の合材層と接触し、当該合材層以外の導電性部材と非接触の状態で設けられ、
前記金属板は、前記負極よりも小さく、前記金属板の全体が前記負極と重なるように設けられている、二次電池。 - 前記金属板の厚みは、前記正極及び前記負極の芯材の厚みよりも大きい、請求項1又は2に記載の二次電池。
- 前記各電極群の間には、前記セパレータは配置されず、前記金属板が1つ配置され、
前記金属板は、当該各電極群を構成する前記負極の合材層にそれぞれ接触している、請求項1〜3のいずれか1項に記載の二次電池。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016106401 | 2016-05-27 | ||
JP2016106401 | 2016-05-27 | ||
PCT/JP2017/018611 WO2017204064A1 (ja) | 2016-05-27 | 2017-05-18 | 二次電池 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPWO2017204064A1 JPWO2017204064A1 (ja) | 2019-03-22 |
JP6926074B2 true JP6926074B2 (ja) | 2021-08-25 |
Family
ID=60411324
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2018519219A Active JP6926074B2 (ja) | 2016-05-27 | 2017-05-18 | 二次電池 |
Country Status (4)
Country | Link |
---|---|
US (1) | US11374291B2 (ja) |
JP (1) | JP6926074B2 (ja) |
CN (1) | CN109155442B (ja) |
WO (1) | WO2017204064A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2020149920A (ja) * | 2019-03-15 | 2020-09-17 | Tdk株式会社 | リチウム二次電池 |
CN112259776B (zh) * | 2019-07-02 | 2022-02-22 | 邱瑞光 | 储电单元、储电模块以及电池 |
JP2022036429A (ja) * | 2020-08-24 | 2022-03-08 | 株式会社エンビジョンAescジャパン | 電池モジュール、電池モジュールの使用方法及び電池セルの製造方法 |
Family Cites Families (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59138070A (ja) * | 1983-01-26 | 1984-08-08 | Japan Storage Battery Co Ltd | リチウム電池 |
JPH09115552A (ja) * | 1995-10-23 | 1997-05-02 | Sony Corp | リチウムイオン二次電池 |
CN100364149C (zh) * | 2001-10-19 | 2008-01-23 | 松下电器产业株式会社 | 二次电池 |
TW581327U (en) * | 2002-12-04 | 2004-03-21 | Asia Pacific Fuel Cell Tech | Integrated dual electrode plate module of fuel cell set |
JP4553100B2 (ja) * | 2003-08-01 | 2010-09-29 | 日本電気株式会社 | 扁平型二次電池および組電池 |
JP3972884B2 (ja) * | 2003-10-10 | 2007-09-05 | 日産自動車株式会社 | 組電池 |
JP5061502B2 (ja) * | 2006-05-20 | 2012-10-31 | 日産自動車株式会社 | 電池構造体 |
JP5433160B2 (ja) | 2008-04-04 | 2014-03-05 | 株式会社Uacj | 電気化学デバイスユニットモジュール |
JP5354646B2 (ja) * | 2008-07-31 | 2013-11-27 | Necエナジーデバイス株式会社 | 積層型二次電池およびその製造方法 |
JP2010262862A (ja) * | 2009-05-08 | 2010-11-18 | Panasonic Corp | 非水電解質二次電池用負極活物質、その製造方法、および非水電解質二次電池 |
JP2010287491A (ja) * | 2009-06-12 | 2010-12-24 | Mitsubishi Heavy Ind Ltd | 二次電池 |
JP2010287488A (ja) | 2009-06-12 | 2010-12-24 | Mitsubishi Heavy Ind Ltd | 二次電池 |
JP5645116B2 (ja) | 2010-09-30 | 2014-12-24 | イビデン株式会社 | 蓄電パッケージ構造体、電気化学デバイスおよび電気化学モジュール |
JP5314665B2 (ja) * | 2010-12-27 | 2013-10-16 | 三菱重工業株式会社 | 電池 |
JP5232880B2 (ja) * | 2011-01-24 | 2013-07-10 | 三菱重工業株式会社 | 電池 |
KR101459828B1 (ko) * | 2012-08-07 | 2014-11-10 | 현대자동차주식회사 | 배터리 셀 모듈용 다기능 방열 플레이트 및 이를 갖는 배터리 셀 모듈 |
JP2015022849A (ja) * | 2013-07-17 | 2015-02-02 | 三井造船株式会社 | ラミネートセルユニット、電池モジュール、ラミネートセルユニットの製造方法及び電池モジュールの製造方法 |
JP2016031851A (ja) * | 2014-07-29 | 2016-03-07 | 株式会社豊田自動織機 | 蓄電装置 |
-
2017
- 2017-05-18 US US16/303,888 patent/US11374291B2/en active Active
- 2017-05-18 WO PCT/JP2017/018611 patent/WO2017204064A1/ja active Application Filing
- 2017-05-18 JP JP2018519219A patent/JP6926074B2/ja active Active
- 2017-05-18 CN CN201780032592.7A patent/CN109155442B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
WO2017204064A1 (ja) | 2017-11-30 |
JPWO2017204064A1 (ja) | 2019-03-22 |
CN109155442B (zh) | 2021-08-17 |
US11374291B2 (en) | 2022-06-28 |
CN109155442A (zh) | 2019-01-04 |
US20200321594A1 (en) | 2020-10-08 |
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