JP7078682B2 - 高速充電リチウムイオン電池 - Google Patents
高速充電リチウムイオン電池 Download PDFInfo
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- JP7078682B2 JP7078682B2 JP2020157826A JP2020157826A JP7078682B2 JP 7078682 B2 JP7078682 B2 JP 7078682B2 JP 2020157826 A JP2020157826 A JP 2020157826A JP 2020157826 A JP2020157826 A JP 2020157826A JP 7078682 B2 JP7078682 B2 JP 7078682B2
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- negative electrode
- active material
- material layer
- electrode active
- positive electrode
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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
- H01M4/04—Processes of manufacture in general
- H01M4/0402—Methods of deposition of the material
- H01M4/0404—Methods of deposition of the material by coating on electrode collectors
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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
- H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
- H01M4/485—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides of mixed oxides or hydroxides for inserting or intercalating light metals, e.g. LiTi2O4 or LiTi2OxFy
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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
- H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
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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
- 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
-
- 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
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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
- H01M4/366—Composites as layered products
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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
- H01M2004/021—Physical characteristics, e.g. porosity, surface area
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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
- H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
- H01M2004/027—Negative 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
Description
Claims (3)
- 10C充電状態における容量維持率が、0.5Cにおける容量維持率の70%を超える高速充電リチウムイオン電池であって、
正極活物質層と正極集電体とを有する正極板と、
チタンニオブ酸化物、チタン酸リチウム、またはそれらの組み合わせを含む負極活物質層と負極集電体とを有する負極板と、
上記正極板と上記負極板との間に配置されるセパレータと、
上記正極板と上記負極板とに接触する電解質と、を備え、
上記負極活物質層は、上記正極板に対応し、かつ、上記正極板とオーバーラップする有効面積を有し、
上記正極板に隣接する上記負極集電体の一方の表面(S1)上に配置されている上記負極活物質層は、厚さを有し、上記厚さに対する上記有効面積の比率は2×105mmより大きい、高速充電リチウムイオン電池。 - 上記厚さは10μm以上100μm以下である、請求項1に記載の高速充電リチウムイオン電池。
- 上記負極活物質層は、チタンニオブ酸化物とチタン酸リチウムとの組み合わせを含み、上記負極活物質層に対するチタン酸リチウムの重量パーセンテージが60%未満である、請求項1に記載の高速充電リチウムイオン電池。
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US201962901814P | 2019-09-18 | 2019-09-18 | |
US62/901,814 | 2019-09-18 | ||
TW109117553 | 2020-05-26 | ||
TW109117553 | 2020-05-26 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2021048130A JP2021048130A (ja) | 2021-03-25 |
JP7078682B2 true JP7078682B2 (ja) | 2022-05-31 |
Family
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Application Number | Title | Priority Date | Filing Date |
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JP2020157826A Active JP7078682B2 (ja) | 2019-09-18 | 2020-09-18 | 高速充電リチウムイオン電池 |
Country Status (4)
Country | Link |
---|---|
US (1) | US20210083279A1 (ja) |
EP (1) | EP3796424A1 (ja) |
JP (1) | JP7078682B2 (ja) |
CN (1) | CN112531217A (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113346125A (zh) * | 2021-05-31 | 2021-09-03 | 廖福宁 | 一种锂离子电池 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2019187131A1 (ja) | 2018-03-30 | 2019-10-03 | 株式会社 東芝 | 電極群、電池及び電池パック |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
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US8617745B2 (en) * | 2004-02-06 | 2013-12-31 | A123 Systems Llc | Lithium secondary cell with high charge and discharge rate capability and low impedance growth |
CN100483837C (zh) * | 2004-07-28 | 2009-04-29 | 比亚迪股份有限公司 | 大倍率锂离子二次电池 |
US9065145B2 (en) * | 2004-10-29 | 2015-06-23 | Medtronic, Inc. | Lithium-ion battery |
TWI270994B (en) * | 2005-12-29 | 2007-01-11 | Ind Tech Res Inst | High rate capability design of lithium ion secondary battery |
CN100502127C (zh) * | 2006-01-26 | 2009-06-17 | 财团法人工业技术研究院 | 具有大电流放电能力的锂离子二次电池 |
JP4516588B2 (ja) * | 2007-09-05 | 2010-08-04 | セイコーエプソン株式会社 | 全固体リチウム二次電池および全固体リチウム二次電池の製造方法 |
CN107112603B (zh) * | 2015-09-16 | 2019-10-01 | 株式会社东芝 | 组电池及电池包 |
CN105428636A (zh) * | 2015-11-24 | 2016-03-23 | 四川省有色冶金研究院有限公司 | 一种基于钛酸锂的锂离子电池负极材料及其制备方法 |
KR20180023688A (ko) * | 2016-08-26 | 2018-03-07 | 주식회사 엘지화학 | 얇은 두께의 전극 활물질 층을 포함하는 전극을 구비한 이차전지 |
JP7080584B2 (ja) * | 2017-03-17 | 2022-06-06 | 株式会社東芝 | 二次電池、電池パック、および車両 |
CN108807849B (zh) * | 2018-05-16 | 2019-11-15 | 宁德时代新能源科技股份有限公司 | 负极极片及含有它的二次电池 |
-
2020
- 2020-09-18 JP JP2020157826A patent/JP7078682B2/ja active Active
- 2020-09-18 US US17/026,021 patent/US20210083279A1/en active Pending
- 2020-09-18 CN CN202010986246.6A patent/CN112531217A/zh active Pending
- 2020-09-18 EP EP20196883.1A patent/EP3796424A1/en active Pending
Patent Citations (1)
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WO2019187131A1 (ja) | 2018-03-30 | 2019-10-03 | 株式会社 東芝 | 電極群、電池及び電池パック |
Also Published As
Publication number | Publication date |
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CN112531217A (zh) | 2021-03-19 |
US20210083279A1 (en) | 2021-03-18 |
EP3796424A1 (en) | 2021-03-24 |
JP2021048130A (ja) | 2021-03-25 |
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