CN111512490A - 一种卷绕式电芯 - Google Patents

一种卷绕式电芯 Download PDF

Info

Publication number
CN111512490A
CN111512490A CN201780093892.6A CN201780093892A CN111512490A CN 111512490 A CN111512490 A CN 111512490A CN 201780093892 A CN201780093892 A CN 201780093892A CN 111512490 A CN111512490 A CN 111512490A
Authority
CN
China
Prior art keywords
pole piece
type battery
winding type
cell
battery cell
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.)
Pending
Application number
CN201780093892.6A
Other languages
English (en)
Inventor
曾巧
肖良针
王可飞
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.)
Ningde Amperex Technology Ltd
Original Assignee
Ningde Amperex Technology 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 Ningde Amperex Technology Ltd filed Critical Ningde Amperex Technology Ltd
Priority to CN202210650885.4A priority Critical patent/CN115064783A/zh
Publication of CN111512490A publication Critical patent/CN111512490A/zh
Pending legal-status Critical Current

Links

Images

Classifications

    • 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
    • H01M10/0431—Cells with wound or folded electrodes
    • 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
    • H01M10/0587—Construction or manufacture of accumulators having only wound construction elements, i.e. wound positive electrodes, wound negative electrodes and wound separators
    • 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
    • H01M10/0459—Cells or batteries with folded separator between plate-like electrodes
    • 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
    • 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
    • H01M50/463—Separators, membranes or diaphragms characterised by their shape
    • 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
    • H01M50/463—Separators, membranes or diaphragms characterised by their shape
    • H01M50/466—U-shaped, bag-shaped or folded
    • 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
    • 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
    • H01M50/538—Connection of several leads or tabs of wound or folded electrode stacks
    • 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
    • H01M50/572—Means for preventing undesired use or discharge
    • H01M50/574—Devices or arrangements for the interruption of current
    • H01M50/579—Devices or arrangements for the interruption of current in response to shock
    • 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

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)
  • Connection Of Batteries Or Terminals (AREA)
  • Cell Separators (AREA)
  • Sealing Battery Cases Or Jackets (AREA)
  • Battery Electrode And Active Subsutance (AREA)

Abstract

一种卷绕式电芯(20)，包括：第一极片(22)，第一极片(22)包括第一活性物质层，第一活性物质层完全覆盖第一极片(22)的两个表面；其中，卷绕式电芯(20)的最外圈为隔膜(24)，最外圈的隔膜(24)与第一极片(22)相邻。还提供了一种包括上述卷绕式电芯的电池。目的在于至少降低卷绕式电芯在跌落过程中外层铝箔撕裂及破损而造成短路的风险。

Description

PCT国内申请，说明书已公开。

Claims (10)

  1. PCT国内申请，权利要求书已公开。
CN201780093892.6A 2017-12-01 2017-12-01 一种卷绕式电芯 Pending CN111512490A (zh)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210650885.4A CN115064783A (zh) 2017-12-01 2017-12-01 一种卷绕式电芯

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2017/114271 WO2019104720A1 (zh) 2017-12-01 2017-12-01 一种卷绕式电芯

Related Child Applications (1)

Application Number Title Priority Date Filing Date
CN202210650885.4A Division CN115064783A (zh) 2017-12-01 2017-12-01 一种卷绕式电芯

Publications (1)

Publication Number Publication Date
CN111512490A true CN111512490A (zh) 2020-08-07

Family

ID=66665385

Family Applications (2)

Application Number Title Priority Date Filing Date
CN201780093892.6A Pending CN111512490A (zh) 2017-12-01 2017-12-01 一种卷绕式电芯
CN202210650885.4A Pending CN115064783A (zh) 2017-12-01 2017-12-01 一种卷绕式电芯

Family Applications After (1)

Application Number Title Priority Date Filing Date
CN202210650885.4A Pending CN115064783A (zh) 2017-12-01 2017-12-01 一种卷绕式电芯

Country Status (7)

Country Link
US (1) US20200321660A1 (zh)
EP (1) EP3678253A4 (zh)
JP (2) JP2020535610A (zh)
KR (1) KR20200044091A (zh)
CN (2) CN111512490A (zh)
BR (1) BR112020010629A2 (zh)
WO (1) WO2019104720A1 (zh)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7190516B2 (ja) * 2021-01-19 2022-12-15 本田技研工業株式会社 円筒形固体電池及びその製造方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205828571U (zh) * 2016-06-06 2016-12-21 东莞新能源科技有限公司 卷绕式电芯
CN205882096U (zh) * 2016-06-06 2017-01-11 宁德新能源科技有限公司 卷绕式电芯
CN206022536U (zh) * 2016-08-12 2017-03-15 东莞新能源科技有限公司 复合式电芯

Family Cites Families (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3373934B2 (ja) * 1994-05-25 2003-02-04 三洋電機株式会社 渦巻電極体を備えた非水電解質電池
JPH09306470A (ja) * 1996-05-16 1997-11-28 Japan Storage Battery Co Ltd 非水電解質二次電池
JP2000306572A (ja) * 1999-04-20 2000-11-02 Nec Corp 非水電解液二次電池及びその製造方法
JP4984450B2 (ja) * 2005-07-19 2012-07-25 トヨタ自動車株式会社 捲回型電池の製造方法
KR101224172B1 (ko) * 2007-12-25 2013-01-21 비와이디 컴퍼니 리미티드 휘감긴 코어를 가진 전기화학적 전지를 위한 최적화된 치수 관계
JP5100441B2 (ja) * 2008-02-26 2012-12-19 株式会社東芝 非水電解質電池
JP4835956B2 (ja) * 2008-07-02 2011-12-14 トヨタ自動車株式会社 電池
JP2010118315A (ja) * 2008-11-14 2010-05-27 Toshiba Corp 非水電解質電池
CN201556685U (zh) * 2009-07-16 2010-08-18 微宏动力系统（湖州）有限公司 超级电容电池
KR101137372B1 (ko) * 2009-09-18 2012-04-20 삼성에스디아이 주식회사 이차 전지용 전극 조립체 제조 방법
JP2011171079A (ja) * 2010-02-17 2011-09-01 Toshiba Corp 電池
CN102770927B (zh) * 2010-02-26 2016-05-04 Jm能源株式会社 蓄电用设备的制造方法以及蓄电用设备
JP5790241B2 (ja) * 2011-07-22 2015-10-07 ソニー株式会社 非水電解質電池ならびに電池パック、電子機器、電動車両、蓄電装置および電力システム
JP5651614B2 (ja) * 2012-02-09 2015-01-14 日立オートモティブシステムズ株式会社 角形二次電池及びモジュール
JP6270613B2 (ja) * 2014-04-25 2018-01-31 日立オートモティブシステムズ株式会社 角形二次電池
JP2016110787A (ja) * 2014-12-04 2016-06-20 日立オートモティブシステムズ株式会社 角形二次電池
KR102368089B1 (ko) * 2015-01-28 2022-02-24 삼성에스디아이 주식회사 전극탭을 갖는 전극 어셈블리 및 이차 전지
JP6070750B2 (ja) * 2015-03-30 2017-02-01 株式会社Ｇｓユアサ 電池
WO2016174992A1 (ja) * 2015-04-28 2016-11-03 日立オートモティブシステムズ株式会社 二次電池
CN106257710A (zh) * 2015-06-17 2016-12-28 深圳市沃特玛电池有限公司 一种多极耳变尺寸的高倍率锂离子电池
JP5915806B2 (ja) * 2015-08-05 2016-05-11 ソニー株式会社 二次電池ならびに電池パック、電子機器、電動車両、蓄電装置および電力システム
CN106025377B (zh) * 2016-08-01 2019-02-12 东莞新能源科技有限公司 一种卷绕式电芯
CN206040883U (zh) * 2016-09-22 2017-03-22 宁德新能源科技有限公司 一种卷绕式电芯
CN206401457U (zh) * 2016-12-27 2017-08-11 宁德新能源科技有限公司 一种卷绕式电芯
CN206401455U (zh) * 2016-12-27 2017-08-11 宁德新能源科技有限公司 一种卷绕式电芯
CN107171028A (zh) * 2017-07-07 2017-09-15 安普瑞斯（无锡）有限公司 一种卷绕式电芯及电池

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN205828571U (zh) * 2016-06-06 2016-12-21 东莞新能源科技有限公司 卷绕式电芯
CN205882096U (zh) * 2016-06-06 2017-01-11 宁德新能源科技有限公司 卷绕式电芯
CN206022536U (zh) * 2016-08-12 2017-03-15 东莞新能源科技有限公司 复合式电芯

Also Published As

Publication number Publication date
KR20200044091A (ko) 2020-04-28
EP3678253A1 (en) 2020-07-08
CN115064783A (zh) 2022-09-16
WO2019104720A1 (zh) 2019-06-06
US20200321660A1 (en) 2020-10-08
BR112020010629A2 (pt) 2020-11-10
JP2022105101A (ja) 2022-07-12
JP2020535610A (ja) 2020-12-03
EP3678253A4 (en) 2020-11-18

Similar Documents

Publication Publication Date Title
CN111403789B (zh) 电极组件及电池
US10490857B2 (en) Wound cell
US11611111B2 (en) Wound-type battery cell
US20190280280A1 (en) Secondary battery
US11127982B2 (en) Electrode assembly and battery with sectioned active layers
US11611100B2 (en) Coiled cell
CN105070880A (zh) 带辅极耳极片及带辅极耳极片的锂离子电池
US11380964B2 (en) Wound electrode assembly
CN212571274U (zh) 锂离子电池及电子设备
CN202172108U (zh) 一种锂离子电池的卷芯结构
CN112864350A (zh) 电芯及电池
CN114975864A (zh) 极片、电芯结构、锂电池以及电子设备
CN210092264U (zh) 电芯及电池
US10693192B2 (en) Wound-type cell
CA3095358C (en) Battery cell having electrode plate with multiple tabs and lithium-ion battery
CN111512490A (zh) 一种卷绕式电芯
JP5501270B2 (ja) 塗布型電極群を用いた電池
JP2018506158A (ja) 二次電池
CN212587557U (zh) 卷绕式电芯及锂离子电池
WO2021189380A1 (zh) 电化学装置和电子装置
CN112928402A (zh) 一种电芯和电池
CN214254468U (zh) 电芯及电池
CN213816223U (zh) 一种正极片、卷绕式电芯和电池
EP4224585A1 (en) Electrode assembly
CN211350885U (zh) 卷绕式电芯及电池

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
RJ01 Rejection of invention patent application after publication

Application publication date: 20200807

RJ01 Rejection of invention patent application after publication