JP7612983B2 - 切欠溝が形成された分離膜を含む二次電池用電極組立体およびそれを含む二次電池 - Google Patents

切欠溝が形成された分離膜を含む二次電池用電極組立体およびそれを含む二次電池 Download PDF

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JP7612983B2
JP7612983B2 JP2022567424A JP2022567424A JP7612983B2 JP 7612983 B2 JP7612983 B2 JP 7612983B2 JP 2022567424 A JP2022567424 A JP 2022567424A JP 2022567424 A JP2022567424 A JP 2022567424A JP 7612983 B2 JP7612983 B2 JP 7612983B2
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secondary battery
electrode assembly
electrode
separator
battery according
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JP2023531360A (ja
Inventor
パク、キュタエ
セウン オー、サン
キム、ヒェヒェオン
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LG Energy Solution Ltd
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LG Energy Solution Ltd
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    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/04Construction or manufacture in general
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/04Construction or manufacture in general
    • H01M10/0413Large-sized flat cells or batteries for motive or stationary systems with plate-like electrodes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/04Construction or manufacture in general
    • H01M10/0436Small-sized flat cells or batteries for portable equipment
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/04Construction or manufacture in general
    • H01M10/0459Cells or batteries with folded separator between plate-like electrodes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/052Li-accumulators
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/052Li-accumulators
    • H01M10/0525Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/058Construction or manufacture
    • H01M10/0583Construction or manufacture of accumulators with folded construction elements except wound ones, i.e. folded positive or negative electrodes or separators, e.g. with "Z"-shaped electrodes or separators
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/05Accumulators with non-aqueous electrolyte
    • H01M10/058Construction or manufacture
    • H01M10/0585Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M10/00Secondary cells; Manufacture thereof
    • H01M10/42Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/4235Safety or regulating additives or arrangements in electrodes, separators or electrolyte
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10Primary casings; Jackets or wrappings
    • H01M50/102Primary casings; Jackets or wrappings characterised by their shape or physical structure
    • H01M50/103Primary casings; Jackets or wrappings characterised by their shape or physical structure prismatic or rectangular
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/46Separators, membranes or diaphragms characterised by their combination with electrodes
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/463Separators, membranes or diaphragms characterised by their shape
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/40Separators; Membranes; Diaphragms; Spacing elements inside cells
    • H01M50/463Separators, membranes or diaphragms characterised by their shape
    • H01M50/466U-shaped, bag-shaped or folded
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50Current conducting connections for cells or batteries
    • H01M50/531Electrode connections inside a battery casing
    • H01M50/533Electrode connections inside a battery casing characterised by the shape of the leads or tabs
    • HELECTRICITY
    • H01ELECTRIC ELEMENTS
    • H01MPROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M50/00Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/50Current conducting connections for cells or batteries
    • H01M50/531Electrode connections inside a battery casing
    • H01M50/54Connection of several leads or tabs of plate-like electrode stacks, e.g. electrode pole straps or bridges
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E60/00Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
    • Y02E60/10Energy storage using batteries
    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P70/00Climate change mitigation technologies in the production process for final industrial or consumer products
    • Y02P70/50Manufacturing 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)
  • Materials Engineering (AREA)
  • Secondary Cells (AREA)
  • Cell Separators (AREA)
JP2022567424A 2021-05-26 2022-03-30 切欠溝が形成された分離膜を含む二次電池用電極組立体およびそれを含む二次電池 Active JP7612983B2 (ja)

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JP2024169653A JP7794273B2 (ja) 2021-05-26 2024-09-27 切欠溝が形成された分離膜を含む二次電池用電極組立体およびそれを含む二次電池

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR10-2021-0067468 2021-05-26
KR1020210067468A KR20220159633A (ko) 2021-05-26 2021-05-26 노치홈이 형성된 분리막을 포함하는 이차전지용 전극조립체 및 이를 포함하는 이차전지
PCT/KR2022/004501 WO2022250271A1 (ko) 2021-05-26 2022-03-30 노치홈이 형성된 분리막을 포함하는 이차전지용 전극조립체 및 이를 포함하는 이차전지

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JP2024169653A Division JP7794273B2 (ja) 2021-05-26 2024-09-27 切欠溝が形成された分離膜を含む二次電池用電極組立体およびそれを含む二次電池

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JP2023531360A JP2023531360A (ja) 2023-07-24
JP7612983B2 true JP7612983B2 (ja) 2025-01-15

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JP2022567424A Active JP7612983B2 (ja) 2021-05-26 2022-03-30 切欠溝が形成された分離膜を含む二次電池用電極組立体およびそれを含む二次電池
JP2024169653A Active JP7794273B2 (ja) 2021-05-26 2024-09-27 切欠溝が形成された分離膜を含む二次電池用電極組立体およびそれを含む二次電池

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US (1) US20240213624A1 (https=)
EP (1) EP4145585B1 (https=)
JP (2) JP7612983B2 (https=)
KR (1) KR20220159633A (https=)
CN (1) CN115699402B (https=)
ES (1) ES3036221T3 (https=)
HU (1) HUE071987T2 (https=)
PL (1) PL4145585T3 (https=)
WO (1) WO2022250271A1 (https=)

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Publication number Priority date Publication date Assignee Title
KR20220159633A (ko) * 2021-05-26 2022-12-05 주식회사 엘지에너지솔루션 노치홈이 형성된 분리막을 포함하는 이차전지용 전극조립체 및 이를 포함하는 이차전지

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012059363A (ja) 2010-09-03 2012-03-22 Mitsubishi Heavy Ind Ltd 電池
JP2018037225A (ja) 2016-08-30 2018-03-08 株式会社豊田自動織機 蓄電装置

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US20090136834A1 (en) * 2007-11-27 2009-05-28 Qinetiq Limited Method of Constructing an Electrode Assembly
JP2010086731A (ja) * 2008-09-30 2010-04-15 Sanyo Electric Co Ltd 積層式電池および組電池
EP2309568B1 (en) * 2009-09-16 2012-05-30 Samsung SDI Co., Ltd. Secondary battery and method for manufacturing the same
CN102884665B (zh) * 2010-04-06 2015-09-30 株式会社Lg化学 改进的堆叠型电池胞或者双电池胞、用于使用该电池胞的二次电池的电极组件及其制造方法
TW201330350A (zh) * 2011-11-01 2013-07-16 Hitachi Maxell Energy Ltd 鋰蓄電池
KR101335122B1 (ko) * 2011-11-25 2013-12-03 세방전지(주) 파단홈을 가지는 자동 전류차단 리튬 이차 전지
KR20130133639A (ko) * 2012-05-29 2013-12-09 주식회사 엘지화학 전극 조립체, 전지셀, 전극 조립체의 제조방법 및 전지셀의 제조 방법
JP2014123699A (ja) * 2012-11-26 2014-07-03 Jm Energy Corp 蓄電デバイス
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JPWO2015002094A1 (ja) * 2013-07-05 2017-02-23 Necエナジーデバイス株式会社 電池セル
KR101620173B1 (ko) * 2013-07-10 2016-05-13 주식회사 엘지화학 적층 형태 안정성이 우수한 단차를 갖는 전극 조립체 및 그 제조방법
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KR20220159633A (ko) * 2021-05-26 2022-12-05 주식회사 엘지에너지솔루션 노치홈이 형성된 분리막을 포함하는 이차전지용 전극조립체 및 이를 포함하는 이차전지

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Publication number Priority date Publication date Assignee Title
JP2012059363A (ja) 2010-09-03 2012-03-22 Mitsubishi Heavy Ind Ltd 電池
JP2018037225A (ja) 2016-08-30 2018-03-08 株式会社豊田自動織機 蓄電装置

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Publication number Publication date
KR20220159633A (ko) 2022-12-05
CN115699402A (zh) 2023-02-03
JP7794273B2 (ja) 2026-01-06
PL4145585T3 (pl) 2025-08-25
EP4145585A1 (en) 2023-03-08
HUE071987T2 (hu) 2025-10-28
JP2024178448A (ja) 2024-12-24
WO2022250271A1 (ko) 2022-12-01
ES3036221T3 (en) 2025-09-16
EP4145585A4 (en) 2024-07-24
CN115699402B (zh) 2025-06-17
JP2023531360A (ja) 2023-07-24
US20240213624A1 (en) 2024-06-27
EP4145585B1 (en) 2025-05-28

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