WO2019174408A1 - Ensemble plaque de couvercle de batterie, cellule, bloc-batterie, batterie d'alimentation et véhicule électrique - Google Patents

Ensemble plaque de couvercle de batterie, cellule, bloc-batterie, batterie d'alimentation et véhicule électrique Download PDF

Info

Publication number
WO2019174408A1
WO2019174408A1 PCT/CN2019/072673 CN2019072673W WO2019174408A1 WO 2019174408 A1 WO2019174408 A1 WO 2019174408A1 CN 2019072673 W CN2019072673 W CN 2019072673W WO 2019174408 A1 WO2019174408 A1 WO 2019174408A1
Authority
WO
WIPO (PCT)
Prior art keywords
battery
electrode
cover assembly
piece
groove
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.)
Ceased
Application number
PCT/CN2019/072673
Other languages
English (en)
Chinese (zh)
Inventor
周江涛
蒋露霞
胡世超
杨珂利
鲁鹏
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.)
BYD Co Ltd
Original Assignee
BYD Co 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 BYD Co Ltd filed Critical BYD Co Ltd
Publication of WO2019174408A1 publication Critical patent/WO2019174408A1/fr
Anticipated expiration legal-status Critical
Ceased 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
    • 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
    • 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
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/61—Types of temperature control
    • H01M10/613—Cooling or keeping cold
    • 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
    • H01M10/60—Heating or cooling; Temperature control
    • H01M10/65—Means for temperature control structurally associated with the cells
    • H01M10/655—Solid structures for heat exchange or heat conduction
    • H01M10/6554—Rods or 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
    • H01M50/10—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
    • H01M50/00—Constructional details or processes of manufacture of the non-active parts of electrochemical cells other than fuel cells, e.g. hybrid cells
    • H01M50/30—Arrangements for facilitating escape of gases
    • 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
    • H01M50/588—Means for preventing undesired use or discharge for preventing incorrect connections inside or outside the batteries outside the batteries, e.g. incorrect connections of terminals or busbars
    • 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
    • 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

Definitions

  • the heat conductive medium 13 is disposed in the groove, the heat conductive medium 13 is adhered to the bottom wall of the groove, and the heat conductive medium 13 is located below the score plate 12, so that the heat conductive medium 13 and the electrode inner terminal 11 have good
  • the heat transfer function at the same time, the heat transfer medium 13 can effectively transfer the heat of the scored sheet 12 to the electrode terminal 11 to prevent the temperature of the scored sheet 12 from being excessively broken, and the heat sinking sheet 12 has a good heat dissipation effect.
  • the heat transfer medium 13 solidifies into a liquid state, the liquid metal has a good wetting and heat transfer effect, and the liquid metal can quickly transfer the temperature of the scored sheet 12 to the electrode.
  • the internal terminal 11 does not cause the weakening of the indented sheet 12 to be broken, thereby avoiding the battery disconnection, thereby improving the working life of the battery and satisfying the use requirement of the battery for large current charging and discharging.
  • the upper end surface of the electrode inner terminal 11 has a sinking groove, and the groove is disposed on the bottom wall of the sinking groove, and the notch piece 12 is disposed in the sinking groove, and the outer ring portion and the sinking groove of the lower surface of the plate body 121
  • the mechanical and electrical connection of the bottom wall, that is, the outer ring portion of the lower surface of the plate body 121 and the bottom wall of the sinking groove are fixed in the axial direction, and the side wall of the plate body 121 is mechanically and electrically connected with the side wall of the sinking groove, that is, the plate body.
  • a unit cell according to an embodiment of the present invention includes the housing including a housing, a battery core housed in the housing, and a cover assembly 100 of the package housing, and the battery cover assembly 100 of any of the above embodiments is provided
  • the electrode inner terminal 11 is electrically connected to the battery core, and the inverting piece 14 is in gas communication with the inside of the outer casing.
  • the battery of the embodiment of the present invention is provided with a heat conductive medium 13 between the scored sheet 12 and the electrode inner terminal 11, the electrode inner terminal 11 is electrically connected to the battery core, and the flip sheet 14 is in gas communication with the inner portion of the outer casing, and the heat conductive medium 13 can be
  • the heat of the scored sheet 12 is effectively transmitted to the terminal 11 of the electrode, which ensures that the thickness of the scored sheet 12 is low and does not cause the scored sheet 12 to be blown due to excessive temperature, thereby enhancing the practicality of the battery.
  • the battery module of any of the above embodiments is provided.
  • the score plate is formed with a weakening groove that can be broken under the pressure of the gas, and the weakening groove surrounds the connection between the score plate and the flip sheet Point settings.
  • the upper end surface of the electrode inner terminal has a sinking groove
  • the groove is provided at a bottom wall of the sinking groove
  • the score plate is electrically connected in the sinking groove
  • the outer ring portion of the lower surface of the plate body is connected to the bottom wall of the sinking groove
  • the side wall of the plate body is connected to the side wall of the sinking groove.

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)
  • Sealing Battery Cases Or Jackets (AREA)

Abstract

La présente invention concerne un ensemble plaque de couvercle de batterie, une cellule, un bloc-batterie, une batterie d'alimentation et un véhicule électrique. L'ensemble plaque de couvercle de batterie comprend : une plaque de couvercle ; une borne d'électrode, la borne d'électrode étant disposée sur la plaque de couvercle, et la borne d'électrode comprenant une borne d'électrode interne et un capuchon ; une plaque rainurée, la plaque rainurée étant électroconnectée à la borne d'électrode interne, un évidement étant prévu sur la borne d'électrode interne, et l'évidement étant situé au-dessous de la plaque rainurée ; une plaque tournante, la plaque tournante étant électroconnectée au capuchon, la plaque rainurée et la plaque tournante étant électroconnectées l'une à l'autre, et la plaque tournante pouvant agir sous l'effet de la pression d'air pour rompre la connexion électrique avec la borne d'électrode interne par traction et rupture de la plaque rainurée ; et un milieu conducteur de chaleur, le milieu conducteur de chaleur étant disposé dans l'évidement.
PCT/CN2019/072673 2018-03-16 2019-01-22 Ensemble plaque de couvercle de batterie, cellule, bloc-batterie, batterie d'alimentation et véhicule électrique Ceased WO2019174408A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201820369105.8 2018-03-16
CN201820369105.8U CN208674176U (zh) 2018-03-16 2018-03-16 电池盖板组件、单体电池、电池模组、动力电池和电动汽车

Publications (1)

Publication Number Publication Date
WO2019174408A1 true WO2019174408A1 (fr) 2019-09-19

Family

ID=65821165

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2019/072673 Ceased WO2019174408A1 (fr) 2018-03-16 2019-01-22 Ensemble plaque de couvercle de batterie, cellule, bloc-batterie, batterie d'alimentation et véhicule électrique

Country Status (2)

Country Link
CN (1) CN208674176U (fr)
WO (1) WO2019174408A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110620192A (zh) * 2019-09-23 2019-12-27 福建南平南孚电池有限公司 碱性电池钢壳和碱性电池
CN114374030A (zh) * 2022-02-10 2022-04-19 中创新航科技股份有限公司 电池、电池组及电池的制备方法
CN120933561A (zh) * 2025-08-06 2025-11-11 江西东驰新能源产业有限公司 一种凹口型复合盖帽的锂电池结构

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111668400B (zh) * 2020-05-06 2024-07-26 宜宾长盈精密技术有限公司 动力电池盖板
CN220021341U (zh) * 2023-06-30 2023-11-14 远景动力技术(江苏)有限公司 盖板组件及包含其的电池

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015018757A (ja) * 2013-07-12 2015-01-29 株式会社豊田自動織機 蓄電装置
CN107123768A (zh) * 2016-02-25 2017-09-01 比亚迪股份有限公司 单体电池、电池模组、动力电池及电动汽车
CN107394101A (zh) * 2016-05-17 2017-11-24 比亚迪股份有限公司 电池保护装置、盖板组件及电池
CN109148813A (zh) * 2017-06-28 2019-01-04 比亚迪股份有限公司 电池盖板组件、单体电池、电池模组、动力电池包和电动汽车

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2015018757A (ja) * 2013-07-12 2015-01-29 株式会社豊田自動織機 蓄電装置
CN107123768A (zh) * 2016-02-25 2017-09-01 比亚迪股份有限公司 单体电池、电池模组、动力电池及电动汽车
CN107394101A (zh) * 2016-05-17 2017-11-24 比亚迪股份有限公司 电池保护装置、盖板组件及电池
CN109148813A (zh) * 2017-06-28 2019-01-04 比亚迪股份有限公司 电池盖板组件、单体电池、电池模组、动力电池包和电动汽车

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110620192A (zh) * 2019-09-23 2019-12-27 福建南平南孚电池有限公司 碱性电池钢壳和碱性电池
CN114374030A (zh) * 2022-02-10 2022-04-19 中创新航科技股份有限公司 电池、电池组及电池的制备方法
CN120933561A (zh) * 2025-08-06 2025-11-11 江西东驰新能源产业有限公司 一种凹口型复合盖帽的锂电池结构

Also Published As

Publication number Publication date
CN208674176U (zh) 2019-03-29

Similar Documents

Publication Publication Date Title
WO2019174408A1 (fr) Ensemble plaque de couvercle de batterie, cellule, bloc-batterie, batterie d'alimentation et véhicule électrique
CN206650127U (zh) 一种单体电池、双电池组及电池模组
WO2022006892A1 (fr) Batterie, dispositif électrique, et procédé et dispositif de préparation de batterie
KR102072762B1 (ko) 캔형 이차전지 및 그를 포함하는 이차전지 모듈
JP2005011814A (ja) 二次電池
CN106450137A (zh) 二次电池
CN108511670B (zh) 一种电池电极组件、盖板组件及电池
EP4300660A1 (fr) Bloc-batterie
WO2023133735A1 (fr) Batterie, appareil consommant de l'énergie et procédé et appareil de préparation de batterie
CN219106332U (zh) 盖板、顶盖组件及电池
CN109148745B (zh) 电池盖板组件、单体电池、电池模组、动力电池包和电动汽车
CN218005058U (zh) 顶盖组件及电池
CN109148813B (zh) 电池盖板组件、单体电池、电池模组、动力电池包和电动汽车
KR102895720B1 (ko) 커버 플레이트 어셈블리, 배터리, 배터리 모듈, 파워 배터리 팩 및 전기 차량
CN219626860U (zh) 电池盖板及电池
CN218867353U (zh) 端盖组件、电池单体、电池包和车辆
CN206685462U (zh) 一种电池电极组件、盖板组件及电池
US20210162872A1 (en) Battery system and electric vehicle
KR20180082748A (ko) 고온에서 단전을 유도하는 온도 퓨즈가 장착된 전극리드를 포함하는 전지셀
CN223321409U (zh) 电池壳体及单体电池
CN220672814U (zh) 电池盖帽和锂离子电池
CN114188630A (zh) 一种单体电池及电池包
CN118983594A (zh) 电池结构组件及电池
CN109962204B (zh) 电池盖板组件、单体电池、电池模组、动力电池及电动汽车
WO2018153156A1 (fr) Ensemble d'électrodes de batterie et ensemble plaque de recouvrement, et batterie

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 19767137

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 19767137

Country of ref document: EP

Kind code of ref document: A1