WO2018043879A1 - Batterie secondaire - Google Patents

Batterie secondaire Download PDF

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Publication number
WO2018043879A1
WO2018043879A1 PCT/KR2017/006368 KR2017006368W WO2018043879A1 WO 2018043879 A1 WO2018043879 A1 WO 2018043879A1 KR 2017006368 W KR2017006368 W KR 2017006368W WO 2018043879 A1 WO2018043879 A1 WO 2018043879A1
Authority
WO
WIPO (PCT)
Prior art keywords
clip
coupled
plate
electrode
insulating
Prior art date
Application number
PCT/KR2017/006368
Other languages
English (en)
Korean (ko)
Inventor
이현수
변상원
Original Assignee
삼성에스디아이(주)
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 삼성에스디아이(주) filed Critical 삼성에스디아이(주)
Publication of WO2018043879A1 publication Critical patent/WO2018043879A1/fr

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Classifications

    • 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
    • H01M50/147—Lids or covers
    • H01M50/148—Lids or covers characterised by their shape
    • H01M50/154—Lid or cover comprising an axial bore for receiving a central current collector
    • 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
    • H01M50/147—Lids or covers
    • 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
    • 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
    • H01M2200/00—Safety devices for primary or secondary 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
    • 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

Definitions

  • FIG. 5 is an enlarged view of a portion C shown in FIG. 2.
  • the second electrode plate is formed by applying a second electrode active material such as transition metal oxide to a second electrode current collector formed of a metal foil such as aluminum, and includes a second electrode non-coating portion that is a region where the second active material is not coated. .
  • connection member 157 is positioned between the cap plate and the terminal plate 156 coupled to the second electrode terminal 130 to electrically connect the second electrode terminal 130 and the cap plate 151.
  • the connection member 157 is in close contact with the cap plate 151 and the gasket 155 through the terminal plate 156.
  • the inclined surface 162c is formed of the first current collector tab 111 and the second current collector tab 112 when the first current collector tab 111 and the second current collector tab 112 are led out of the insulating plate 160. In order to minimize the bending, it is preferable to have an inclination of about 45 degrees from the bottom surface of the insulating plate 160.
  • the first electrode terminal 120 and the second electrode terminal 130 are positioned on the terminal region 163.
  • the terminal area 163 includes a side portion 163a formed in contact with the case 140 and extending upward.
  • the first clip portion 181 has a first central groove 181a formed in a longitudinal direction at the center thereof, first auxiliary protrusions 181b and first auxiliary protrusions positioned at both sides of the first central groove 181a.
  • the first auxiliary holes 181c are formed at both sides of the 181b.
  • the longitudinal direction of the first clip portion 181 is called a first direction, and a direction perpendicular to the first direction is defined as a second direction. That is, the first center groove 181a is formed in parallel with the first direction at the center of the first clip portion 181, and the first auxiliary protrusion 181b is formed in the direction parallel to the first direction. It is formed on both sides of the first center groove 181a.
  • the second clip portion 182 is formed in a shape opposite to the first clip portion 181 so as to be coupled to the first clip portion 181.
  • the second clip part 182 includes a second center protrusion 182a formed in a longitudinal direction at the center thereof, a second auxiliary hole 182b located at both sides of the second center protrusion 182a, and the second auxiliary protrusion.
  • Second auxiliary protrusions 182c formed on both sides of the hole 182b are included.
  • the second center protrusion 182a is coupled to the first center groove 181a
  • the first auxiliary protrusion 181b is coupled to the second auxiliary hole 182b
  • the second auxiliary protrusion 182c is connected to the second auxiliary protrusion 182c.
  • the insulating clip 180 is coupled to the first current collecting tab 111, and the first current collecting tab 111 protruding to an upper portion of the insulating clip 180 is bent to insulate the insulating clip 180. It is positioned in the bonding region 162 of the plate 160. Subsequently, the insulating clip 180 is coupled to the first current collecting tab 111, and the lead tab 170 is welded to the first current collecting tab 111 protruding to the upper portion of the insulating clip 180. The first current collector tab 111 is bent to be placed in the coupling region 162 of the insulating plate 160. In this case, the insulating clip 180 contacts the inclined surface 162c of the coupling region 162, and the protrusion 162b of the coupling region 162 is formed in the first through hole 173 of the lead tab 170. Combined.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Connection Of Batteries Or Terminals (AREA)

Abstract

La présente invention concerne une batterie secondaire capable d'améliorer la sécurité en étant pourvue d'une pince d'isolation pour fixer une pluralité de languettes de collecte de courant. Par exemple, la présente invention concerne une batterie secondaire comprenant : un ensemble d'électrodes ayant la pluralité de languettes de collecte de courant; un boîtier pour recevoir l'ensemble d'électrodes; une plaque de capuchon pour sceller le boîtier depuis le dessus du boîtier; et la pince d'isolation pour fixer la pluralité de languettes de collecte.
PCT/KR2017/006368 2016-09-05 2017-06-19 Batterie secondaire WO2018043879A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2016-0113841 2016-09-05
KR1020160113841A KR102663722B1 (ko) 2016-09-05 2016-09-05 이차 전지

Publications (1)

Publication Number Publication Date
WO2018043879A1 true WO2018043879A1 (fr) 2018-03-08

Family

ID=61301296

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2017/006368 WO2018043879A1 (fr) 2016-09-05 2017-06-19 Batterie secondaire

Country Status (2)

Country Link
KR (1) KR102663722B1 (fr)
WO (1) WO2018043879A1 (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108922993A (zh) * 2018-08-14 2018-11-30 江苏海基新能源股份有限公司 一种方形卷绕多极耳锂离子电池及其装配方法
CN115425365A (zh) * 2022-09-29 2022-12-02 厦门海辰储能科技股份有限公司 集流组件、电池、电池包及用电设备
CN115939683A (zh) * 2022-05-13 2023-04-07 宁德时代新能源科技股份有限公司 电池单体、电池及用电装置
EP4160810A4 (fr) * 2020-05-25 2023-11-29 LG Energy Solution, Ltd. Procédé de fabrication de batterie secondaire, étrier d'accouplement pour fabrication de batterie secondaire, et batterie secondaire
WO2024040837A1 (fr) * 2022-08-26 2024-02-29 宁德时代新能源科技股份有限公司 Ensemble couvercle d'extrémité, élément de batterie, batterie et appareil électrique

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110061281A (ko) * 2009-12-01 2011-06-09 삼성에스디아이 주식회사 전극 조립체 및 그를 구비하는 이차 전지
KR20110137639A (ko) * 2010-06-17 2011-12-23 삼성에스디아이 주식회사 이차전지의 전극탭 연결구조 및 이를 이용한 이차전지
KR20130107576A (ko) * 2012-03-22 2013-10-02 주식회사 코캄 배터리 셀
KR101591691B1 (ko) * 2013-06-11 2016-02-04 주식회사 엘지화학 내진동 특성이 향상된 전기화학소자 및 전지 모듈
KR20160042244A (ko) * 2014-10-07 2016-04-19 삼성에스디아이 주식회사 이차 전지

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20110061281A (ko) * 2009-12-01 2011-06-09 삼성에스디아이 주식회사 전극 조립체 및 그를 구비하는 이차 전지
KR20110137639A (ko) * 2010-06-17 2011-12-23 삼성에스디아이 주식회사 이차전지의 전극탭 연결구조 및 이를 이용한 이차전지
KR20130107576A (ko) * 2012-03-22 2013-10-02 주식회사 코캄 배터리 셀
KR101591691B1 (ko) * 2013-06-11 2016-02-04 주식회사 엘지화학 내진동 특성이 향상된 전기화학소자 및 전지 모듈
KR20160042244A (ko) * 2014-10-07 2016-04-19 삼성에스디아이 주식회사 이차 전지

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108922993A (zh) * 2018-08-14 2018-11-30 江苏海基新能源股份有限公司 一种方形卷绕多极耳锂离子电池及其装配方法
EP4160810A4 (fr) * 2020-05-25 2023-11-29 LG Energy Solution, Ltd. Procédé de fabrication de batterie secondaire, étrier d'accouplement pour fabrication de batterie secondaire, et batterie secondaire
CN115939683A (zh) * 2022-05-13 2023-04-07 宁德时代新能源科技股份有限公司 电池单体、电池及用电装置
WO2024040837A1 (fr) * 2022-08-26 2024-02-29 宁德时代新能源科技股份有限公司 Ensemble couvercle d'extrémité, élément de batterie, batterie et appareil électrique
CN115425365A (zh) * 2022-09-29 2022-12-02 厦门海辰储能科技股份有限公司 集流组件、电池、电池包及用电设备
CN115425365B (zh) * 2022-09-29 2023-09-26 厦门海辰储能科技股份有限公司 集流组件、电池、电池包及用电设备

Also Published As

Publication number Publication date
KR20180026910A (ko) 2018-03-14
KR102663722B1 (ko) 2024-05-07

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