WO2018155853A3 - 대칭형 멀티탭을 갖는 이차 전지 - Google Patents

대칭형 멀티탭을 갖는 이차 전지 Download PDF

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Publication number
WO2018155853A3
WO2018155853A3 PCT/KR2018/001684 KR2018001684W WO2018155853A3 WO 2018155853 A3 WO2018155853 A3 WO 2018155853A3 KR 2018001684 W KR2018001684 W KR 2018001684W WO 2018155853 A3 WO2018155853 A3 WO 2018155853A3
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WO
WIPO (PCT)
Prior art keywords
tabs
secondary battery
case
electrode
symmetric
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PCT/KR2018/001684
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English (en)
French (fr)
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WO2018155853A2 (ko
Inventor
이동현
김형식
김광수
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삼성에스디아이(주)
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Priority to US16/485,410 priority Critical patent/US11063304B2/en
Priority to CN201880013290.XA priority patent/CN110326131B/zh
Priority to EP18757592.3A priority patent/EP3588618A4/en
Publication of WO2018155853A2 publication Critical patent/WO2018155853A2/ko
Publication of WO2018155853A3 publication Critical patent/WO2018155853A3/ko

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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
    • 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
    • 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
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
    • H01M50/102—Primary casings, jackets or wrappings of a single cell or a single battery characterised by their shape or physical structure
    • H01M50/103—Primary casings, jackets or wrappings of a single cell or a single battery characterised by their shape or physical structure prismatic or rectangular
    • 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
    • H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
    • H01M50/172—Arrangements of electric connectors penetrating the casing
    • H01M50/174—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells
    • 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
    • H01M50/10—Primary casings, jackets or wrappings of a single cell or a single battery
    • H01M50/172—Arrangements of electric connectors penetrating the casing
    • H01M50/174—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells
    • H01M50/176—Arrangements of electric connectors penetrating the casing adapted for the shape of the cells for prismatic or rectangular cells
    • 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
    • H01M50/533—Electrode connections inside a battery casing characterised by the shape of the leads or tabs
    • 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
    • H01M50/543—Terminals
    • 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
    • H01M50/543—Terminals
    • H01M50/547—Terminals characterised by the disposition of the terminals on the cells
    • H01M50/55—Terminals characterised by the disposition of the terminals on the cells on the same side of the cell
    • 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
    • H01M50/543—Terminals
    • H01M50/552—Terminals characterised by their shape
    • H01M50/553—Terminals adapted for prismatic, pouch or rectangular cells
    • 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
    • H01M50/584—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries
    • H01M50/586—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries inside the batteries, e.g. incorrect connections of electrodes
    • 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
    • H01M50/584—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries
    • H01M50/59—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries characterised by the protection means
    • H01M50/593—Spacers; Insulating plates
    • 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
    • H01M50/584—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries
    • H01M50/59—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries characterised by the protection means
    • H01M50/597—Protection against reversal of polarity
    • 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
    • H01M2200/00—Safety devices for primary or secondary batteries
    • H01M2200/30—Preventing polarity reversal
    • 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

Abstract

본 발명의 다양한 실시예는 대칭형 멀티탭을 갖는 이차 전지에 관한 것으로, 해결하고자 하는 기술적 과제는 제1,2전극 조립체의 제1,2멀티탭을 상호간 대칭 형태로 형성함으로써, 제1,2멀티탭의 절연 강도를 향상시킬 수 있는 이차 전지를 제공하는데 있다. 이를 위해 본 발명은 케이스; 상기 케이스의 내측에 수용되고 제1멀티탭을 갖는 제1전극 조립체; 상기 케이스의 내측에 상기 제1전극 조립체와 나란히 수용되고 제2멀티탭을 갖는 제2전극 조립체; 상기 케이스를 막되, 상기 제1,2전극 조립체의 제1,2멀티탭과 전기적으로 접속되는 전극 단자를 갖는 캡 플레이트를 포함하고, 상기 제1,2멀티탭은 상호간 상기 제1,2전극 조립체의 상호간 경계 영역을 중심으로 대칭되는 형태로 형성된 이차 전지를 개시한다.
PCT/KR2018/001684 2017-02-22 2018-02-08 대칭형 멀티탭을 갖는 이차 전지 WO2018155853A2 (ko)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US16/485,410 US11063304B2 (en) 2017-02-22 2018-02-08 Secondary battery having symmetric multi-tabs
CN201880013290.XA CN110326131B (zh) 2017-02-22 2018-02-08 具有对称的多重接线片的二次电池
EP18757592.3A EP3588618A4 (en) 2017-02-22 2018-02-08 SECONDARY BATTERY WITH SYMMETRICAL MULTIPLE TABS

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2017-0023770 2017-02-22
KR1020170023770A KR20180097087A (ko) 2017-02-22 2017-02-22 대칭형 멀티탭을 갖는 이차 전지

Publications (2)

Publication Number Publication Date
WO2018155853A2 WO2018155853A2 (ko) 2018-08-30
WO2018155853A3 true WO2018155853A3 (ko) 2018-10-25

Family

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PCT/KR2018/001684 WO2018155853A2 (ko) 2017-02-22 2018-02-08 대칭형 멀티탭을 갖는 이차 전지

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Country Link
US (1) US11063304B2 (ko)
EP (1) EP3588618A4 (ko)
KR (1) KR20180097087A (ko)
CN (1) CN110326131B (ko)
WO (1) WO2018155853A2 (ko)

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KR20210155953A (ko) * 2020-06-17 2021-12-24 삼성전자주식회사 배터리 구조체 및 배터리 구조체를 포함하는 전자 장치
CN114204224B (zh) * 2020-08-31 2023-06-13 比亚迪股份有限公司 一种电池
DE102021201681A1 (de) 2021-02-23 2022-08-25 Volkswagen Aktiengesellschaft Batteriezelle
CN113161656A (zh) * 2021-04-14 2021-07-23 湖北亿纬动力有限公司 一种电池盖板、盖板及电池注液方法
CN114865241B (zh) * 2022-05-13 2024-01-26 星恒电源股份有限公司 一种电芯组、电池模组及组装方法

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Also Published As

Publication number Publication date
EP3588618A4 (en) 2020-12-02
KR20180097087A (ko) 2018-08-30
CN110326131A (zh) 2019-10-11
WO2018155853A2 (ko) 2018-08-30
US20190363401A1 (en) 2019-11-28
CN110326131B (zh) 2024-01-09
EP3588618A2 (en) 2020-01-01
US11063304B2 (en) 2021-07-13

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