JPWO2018163294A1 - 二次電池 - Google Patents
二次電池 Download PDFInfo
- Publication number
- JPWO2018163294A1 JPWO2018163294A1 JP2019504178A JP2019504178A JPWO2018163294A1 JP WO2018163294 A1 JPWO2018163294 A1 JP WO2018163294A1 JP 2019504178 A JP2019504178 A JP 2019504178A JP 2019504178 A JP2019504178 A JP 2019504178A JP WO2018163294 A1 JPWO2018163294 A1 JP WO2018163294A1
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- JP
- Japan
- Prior art keywords
- active material
- negative electrode
- material region
- current collector
- positive electrode
- Prior art date
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- Ceased
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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
- 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
- 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
-
- 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
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/131—Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
-
- 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
- H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
- H01M4/134—Electrodes based on metals, Si or alloys
-
- 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
- H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
- H01M4/386—Silicon or alloys based on silicon
-
- 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
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/483—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides for non-aqueous cells
-
- 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
- H01M4/64—Carriers or collectors
- H01M4/70—Carriers or collectors characterised by shape or form
-
- 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
-
- 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
- H01M10/04—Construction or manufacture in general
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- 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
-
- 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
-
- 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
- Y02T—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO TRANSPORTATION
- Y02T10/00—Road transport of goods or passengers
- Y02T10/60—Other road transportation technologies with climate change mitigation effect
- Y02T10/70—Energy storage systems for electromobility, e.g. batteries
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Inorganic Chemistry (AREA)
- Battery Electrode And Active Subsutance (AREA)
- Secondary Cells (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Cell Electrode Carriers And Collectors (AREA)
Abstract
Description
12,12A 負極タブ、
14,14A 正極タブ、
16 外装体、
20 電池本体部、
22 発電要素、
30,30A 負極、
32,32A 集電体(負極集電体)、
34 負極活物質層、
36,36A〜36F スリット、
40,40A 活物質領域、
41 一辺、
42,42A 対向部、
44,44A 非対向部、
46,46A 非活物質領域、
47,47A 移行部、
48,48A 接合部、
50 セパレーター(電解質層)、
60,60A 正極、
62 集電体(正極集電体)、
64 正極活物質層、
70 活物質領域、
71 一辺、
72 対向部、
76 非活物質領域、
77 移行部、
78 接合部、
80 集電体、
C 中央部、
D スリット間隔、
I 交差方向、
L スリット長さ、
S 積層方向。
Claims (8)
- 正極活物質層が配置された正極集電体を有する正極と、電解質を保持する電解質層と、シリコンを含有する負極活物質を有する負極活物質層が配置された負極集電体を有する負極と、を有する発電要素を有し、
前記正極活物質層および前記負極活物質層は、前記電解質層を介して対向し、
前記負極集電体は、
前記負極活物質層が配置されている活物質領域と、
前記負極活物質層が配置されていない非活物質領域と、
前記非活物質領域から前記活物質領域まで延長しているスリットと、
を有する、二次電池。 - 前記正極集電体は、前記正極活物質層が配置されている活物質領域を有し、
前記負極集電体の前記活物質領域は、前記電解質層を介して前記正極集電体の前記活物質領域と対向している対向部と、前記正極集電体の前記活物質領域と対向していない非対向部と、を有し、
前記スリットは、前記対向部と前記非対向部との境界まで延長している、請求項1に記載の二次電池。 - 前記負極集電体の前記非活物質領域は、外部に向かって電流を引き出すためのタブが接合される接合部位を有し、前記スリットは、前記接合部位から離間している、請求項1又は請求項2に記載の二次電池。
- 前記負極集電体の前記非活物質領域は、前記接合部位と前記負極集電体の前記活物質領域との間に位置する移行部を有し、
前記スリットは、前記移行部から延長している、請求項3に記載の二次電池。 - 前記負極集電体は、複数の前記スリットを有し、
前記負極集電体の前記活物質領域は、略矩形であり、
前記スリットは、前記負極集電体の前記活物質領域の一辺と交差する方向に並置されている、請求項1〜4のいずれか1項に記載の二次電池。 - 前記スリットの長さは、前記一辺の中央部に近いほど大きい、請求項5に記載の二次電池。
- 前記スリットの間隔は、前記一辺の中央部に近いほど小さい、請求項5又は請求項6に記載の二次電池。
- 前記負極活物質層の面積は、前記正極活物質層の面積よりも大きい、請求項1〜7のいずれか1項に記載の二次電池。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/JP2017/009063 WO2018163294A1 (ja) | 2017-03-07 | 2017-03-07 | 二次電池 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPWO2018163294A1 true JPWO2018163294A1 (ja) | 2019-12-12 |
Family
ID=63447442
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2019504178A Ceased JPWO2018163294A1 (ja) | 2017-03-07 | 2017-03-07 | 二次電池 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20210288351A1 (ja) |
EP (1) | EP3595075B1 (ja) |
JP (1) | JPWO2018163294A1 (ja) |
KR (1) | KR20190100387A (ja) |
CN (1) | CN110392954A (ja) |
WO (1) | WO2018163294A1 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7091933B2 (ja) * | 2018-08-22 | 2022-06-28 | トヨタ自動車株式会社 | 積層型電池の製造方法 |
JP7327292B2 (ja) * | 2020-06-19 | 2023-08-16 | トヨタ自動車株式会社 | 組電池 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011125325A1 (ja) * | 2010-04-06 | 2011-10-13 | Necトーキン株式会社 | 蓄電デバイス |
JP2014167890A (ja) * | 2013-02-28 | 2014-09-11 | Toshiba Corp | 電池 |
JP2015222633A (ja) * | 2014-05-22 | 2015-12-10 | 株式会社Gsユアサ | 蓄電素子 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100614167B1 (ko) | 1999-10-22 | 2006-08-25 | 산요덴키가부시키가이샤 | 리튬 2차전지용 전극 및 리튬 2차전지 |
JP4462245B2 (ja) * | 2006-07-19 | 2010-05-12 | トヨタ自動車株式会社 | 2次電池、積層2次電池および組電池 |
JP5454032B2 (ja) * | 2009-09-14 | 2014-03-26 | 日産自動車株式会社 | 薄型電池 |
WO2012169282A1 (ja) * | 2011-06-10 | 2012-12-13 | 日本電気株式会社 | リチウムイオン二次電池 |
JP2013157283A (ja) * | 2012-01-31 | 2013-08-15 | Nissan Motor Co Ltd | 二次電池の電極 |
US9570776B2 (en) * | 2012-09-27 | 2017-02-14 | Nec Energy Devices, Ltd. | Lithium-ion secondary battery and method of producing the same |
JP5999442B2 (ja) * | 2013-04-16 | 2016-09-28 | トヨタ自動車株式会社 | 非水電解質二次電池 |
KR20170010587A (ko) * | 2015-07-20 | 2017-02-01 | 삼성전자주식회사 | 전극판, 이를 포함하는 전극조립체 및 이차전지 |
-
2017
- 2017-03-07 JP JP2019504178A patent/JPWO2018163294A1/ja not_active Ceased
- 2017-03-07 WO PCT/JP2017/009063 patent/WO2018163294A1/ja unknown
- 2017-03-07 CN CN201780088140.0A patent/CN110392954A/zh not_active Withdrawn
- 2017-03-07 US US16/483,638 patent/US20210288351A1/en not_active Abandoned
- 2017-03-07 KR KR1020197022940A patent/KR20190100387A/ko not_active Application Discontinuation
- 2017-03-07 EP EP17899847.2A patent/EP3595075B1/en active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2011125325A1 (ja) * | 2010-04-06 | 2011-10-13 | Necトーキン株式会社 | 蓄電デバイス |
JP2014167890A (ja) * | 2013-02-28 | 2014-09-11 | Toshiba Corp | 電池 |
JP2015222633A (ja) * | 2014-05-22 | 2015-12-10 | 株式会社Gsユアサ | 蓄電素子 |
Also Published As
Publication number | Publication date |
---|---|
CN110392954A (zh) | 2019-10-29 |
KR20190100387A (ko) | 2019-08-28 |
EP3595075B1 (en) | 2023-11-01 |
WO2018163294A1 (ja) | 2018-09-13 |
US20210288351A1 (en) | 2021-09-16 |
EP3595075A1 (en) | 2020-01-15 |
EP3595075A4 (en) | 2020-03-18 |
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