CN115699402B - 包括带切口槽的隔膜的用于二次电池的电极组件以及包含该电极组件的二次电池 - Google Patents

包括带切口槽的隔膜的用于二次电池的电极组件以及包含该电极组件的二次电池 Download PDF

Info

Publication number
CN115699402B
CN115699402B CN202280004281.0A CN202280004281A CN115699402B CN 115699402 B CN115699402 B CN 115699402B CN 202280004281 A CN202280004281 A CN 202280004281A CN 115699402 B CN115699402 B CN 115699402B
Authority
CN
China
Prior art keywords
electrode assembly
secondary battery
electrode
stack
separator
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
Application number
CN202280004281.0A
Other languages
English (en)
Chinese (zh)
Other versions
CN115699402A (zh
Inventor
朴奎泰
吴相丞
金惠显
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LG Energy Solution Ltd
Original Assignee
LG Energy Solution Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by LG Energy Solution Ltd filed Critical LG Energy Solution Ltd
Publication of CN115699402A publication Critical patent/CN115699402A/zh
Application granted granted Critical
Publication of CN115699402B publication Critical patent/CN115699402B/zh
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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

Landscapes

  • 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)
CN202280004281.0A 2021-05-26 2022-03-30 包括带切口槽的隔膜的用于二次电池的电极组件以及包含该电极组件的二次电池 Active CN115699402B (zh)

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

Publications (2)

Publication Number Publication Date
CN115699402A CN115699402A (zh) 2023-02-03
CN115699402B true CN115699402B (zh) 2025-06-17

Family

ID=84230031

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202280004281.0A Active CN115699402B (zh) 2021-05-26 2022-03-30 包括带切口槽的隔膜的用于二次电池的电极组件以及包含该电极组件的二次电池

Country Status (9)

Country Link
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=)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
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
CN103094560A (zh) * 2011-11-01 2013-05-08 日立麦克赛尔能源株式会社 锂二次电池
CN107851852A (zh) * 2015-08-26 2018-03-27 松下知识产权经营株式会社 蓄电装置

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
JP5398673B2 (ja) * 2010-09-03 2014-01-29 三菱重工業株式会社 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
KR101440008B1 (ko) * 2013-05-21 2014-09-12 니기소 가부시키가이샤 적층 장치 및 적층 방법
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
JP5858074B2 (ja) * 2014-03-13 2016-02-10 株式会社豊田自動織機 蓄電装置
JP6355160B2 (ja) * 2014-07-01 2018-07-11 Necエナジーデバイス株式会社 二次電池
KR102290163B1 (ko) * 2015-01-19 2021-08-17 주식회사 아모그린텍 플렉서블 배터리
US20170092923A1 (en) * 2015-09-29 2017-03-30 Apple Inc. Battery cells having notched electrodes
KR102142673B1 (ko) * 2016-03-04 2020-08-07 주식회사 엘지화학 전기화학소자용 전극 조립체 및 상기 전극 조립체를 포함하는 파우치형 전지
JP2018037225A (ja) * 2016-08-30 2018-03-08 株式会社豊田自動織機 蓄電装置
KR20220159633A (ko) * 2021-05-26 2022-12-05 주식회사 엘지에너지솔루션 노치홈이 형성된 분리막을 포함하는 이차전지용 전극조립체 및 이를 포함하는 이차전지

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103094560A (zh) * 2011-11-01 2013-05-08 日立麦克赛尔能源株式会社 锂二次电池
CN107851852A (zh) * 2015-08-26 2018-03-27 松下知识产权经营株式会社 蓄电装置

Also Published As

Publication number Publication date
JP7612983B2 (ja) 2025-01-15
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
JP2023531360A (ja) 2023-07-24
US20240213624A1 (en) 2024-06-27
EP4145585B1 (en) 2025-05-28

Similar Documents

Publication Publication Date Title
KR100848788B1 (ko) 결합부에서 전극 탭들의 크기가 동일한 전극조립체 및 이를포함하고 있는 전기화학 셀
KR101395016B1 (ko) 단차를 갖는 전극 조립체 및 이를 포함하는 전지셀, 전지팩 및 디바이스
US20140205879A1 (en) Battery cell of novel structure
KR102886267B1 (ko) 단선 방지층을 포함하는 전극 조립체 및 이의 제조방법
KR20130132231A (ko) 단차를 갖는 전극 조립체 및 이를 포함하는 전지셀, 전지팩 및 디바이스
US10411304B2 (en) Electrode assembly wound in both directions and lithium secondary battery including the same
KR20150098445A (ko) 절연물질이 코팅되어 있는 전극을 포함하는 전지셀
KR102108113B1 (ko) 외주변이 절곡된 분리막을 포함하는 전극조립체
KR100960619B1 (ko) 전극조립체 전극 리드 연결부를 포함하는 전극조립체 및 이를 포함하고 있는 전기화학셀
US20200335813A1 (en) Electrode Assembly and Battery Including the Same
CN111226338A (zh) 电极组件
WO2018012739A1 (ko) 상호 결합된 추가 탭들이 형성되어 있는 극판들을 포함하고 있는 전극조립체
KR101154872B1 (ko) 신규한 구조의 전극조립체
CN115699402B (zh) 包括带切口槽的隔膜的用于二次电池的电极组件以及包含该电极组件的二次电池
KR101345349B1 (ko) 신규한 구조의 전극조립체
KR101849990B1 (ko) 분리막의 열 수축성이 억제된 전지셀
KR101730318B1 (ko) 분리막의 열 수축성이 억제된 전지셀
KR102901452B1 (ko) 단락 방지용 코팅부가 구비된 전극조립체
KR102886046B1 (ko) 전극 조립체 및 이를 포함하는 이차전지
KR102159530B1 (ko) 고정 홀이 형성된 단위셀을 포함하고 있는 전극조립체 스택
KR20130071462A (ko) 신규한 구조의 전극조립체
KR101865996B1 (ko) 2차 전지
KR101792602B1 (ko) 전극 집전체의 중첩이 최소화된 전극조립체를 포함하는 전지셀

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant