WO2021149644A1 - 二次電池およびその製造方法 - Google Patents

二次電池およびその製造方法 Download PDF

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Publication number
WO2021149644A1
WO2021149644A1 PCT/JP2021/001499 JP2021001499W WO2021149644A1 WO 2021149644 A1 WO2021149644 A1 WO 2021149644A1 JP 2021001499 W JP2021001499 W JP 2021001499W WO 2021149644 A1 WO2021149644 A1 WO 2021149644A1
Authority
WO
WIPO (PCT)
Prior art keywords
exterior body
metal
secondary battery
outer body
electrode
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/JP2021/001499
Other languages
English (en)
French (fr)
Japanese (ja)
Inventor
健太 江口
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.)
Murata Manufacturing Co Ltd
Original Assignee
Murata Manufacturing 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 Murata Manufacturing Co Ltd filed Critical Murata Manufacturing Co Ltd
Priority to CN202180009856.3A priority Critical patent/CN114982028A/zh
Priority to JP2021572724A priority patent/JPWO2021149644A1/ja
Publication of WO2021149644A1 publication Critical patent/WO2021149644A1/ja
Priority to US17/867,723 priority patent/US20220352581A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • H01M50/166—Lids or covers characterised by the methods of assembling casings with lids
    • H01M50/171—Lids or covers characterised by the methods of assembling casings with lids using adhesives or sealing agents
    • 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
    • H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
    • H01M50/103—Primary casings; Jackets or wrappings 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
    • H01M50/102—Primary casings; Jackets or wrappings characterised by their shape or physical structure
    • H01M50/109—Primary casings; Jackets or wrappings characterised by their shape or physical structure of button or coin 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
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/116—Primary casings; Jackets or wrappings characterised by the material
    • H01M50/117—Inorganic material
    • H01M50/119—Metals
    • 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
    • H01M50/153—Lids or covers characterised by their shape for button or coin 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
    • H01M50/147—Lids or covers
    • H01M50/155—Lids or covers characterised by the material
    • H01M50/157—Inorganic material
    • H01M50/159—Metals
    • 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
    • H01M50/166—Lids or covers characterised by the methods of assembling casings with lids
    • H01M50/169—Lids or covers characterised by the methods of assembling casings with lids by welding, brazing or soldering
    • 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
    • H01M50/559—Terminals adapted for cells having curved cross-section, e.g. round, elliptic or button cells
    • 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

  • the "cross-sectional view” described directly or indirectly herein is based on a hypothetical cross-section of a secondary battery cut along the stacking direction of the electrode assembly or electrode constituent layers that make up the secondary battery. ing.
  • the direction of "thickness”, which is directly or indirectly described herein is based on the stacking direction of the electrode materials that make up the secondary battery.
  • the direction of "thickness” corresponds to the plate thickness direction of such a secondary battery.
  • the thickness of the side wall of the exterior body and the insulating joining material used therein corresponds to the thickness in the direction orthogonal to the laminating direction.
  • the "plan view” used in the present specification is based on a sketch of an object viewed from above or below along the direction of thickness based on the stacking direction.
  • the negative electrode is composed of at least a negative electrode material layer and a negative electrode current collector.
  • a negative electrode material layer is provided on at least one surface of the negative electrode current collector, and the negative electrode material layer contains a negative electrode active material as an electrode active material.
  • each of the plurality of negative electrodes in the electrode assembly may have negative electrode material layers provided on both sides of the negative electrode current collector, or negative electrode material layers may be provided on only one side of the negative electrode current collector. It may be the one that exists.
  • an electrode assembly composed of an electrode constituent layer including a positive electrode, a negative electrode and a separator may be enclosed in an outer body together with an electrolyte.
  • the electrolyte can assist in the movement of metal ions released from the electrodes (positive electrode and / or negative electrode).
  • the electrolyte may be an "non-aqueous" electrolyte such as an organic electrolyte and an organic solvent, or it may be a "water-based" electrolyte containing water.
  • a non-aqueous electrolyte is an electrolyte containing a solvent and a solute.
  • the specific solvent for the non-aqueous electrolyte may contain at least carbonate.
  • Such carbonates may be cyclic carbonates and / or chain carbonates.
  • the cyclic carbonates include at least one selected from the group consisting of propylene carbonate (PC), ethylene carbonate (EC), butylene carbonate (BC) and vinylene carbonate (VC). be able to.
  • the chain carbonates include at least one selected from the group consisting of dimethyl carbonate (DMC), diethyl carbonate (DEC), ethyl methyl carbonate (EMC) and dipropyl carbonate (DPC).
  • the exterior body of the secondary battery is a member that encloses the electrode assembly in which the electrode constituent layers including the positive electrode, the negative electrode, and the separator are laminated.
  • the exterior body is preferably a metal exterior body having a non-laminated structure.
  • the conductive member can act more preferably on the external force applied at the time of initial charging in the battery manufacturing process.
  • FIG. 9B for example, suppose that the current collector member 70'arranged in the outermost layer of the electrode body has a band-shaped current collector tab form smaller than the electrode size. In such a case, the external force applied at the time of initial charging during the battery manufacturing process is applied only to the position where the tab is located, which may lead to the reaction non-uniformity of the battery.
  • the main surface size of the current collector member is defined as the electrode size according to the above aspect of the present invention.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Sealing Battery Cases Or Jackets (AREA)
PCT/JP2021/001499 2020-01-20 2021-01-18 二次電池およびその製造方法 Ceased WO2021149644A1 (ja)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN202180009856.3A CN114982028A (zh) 2020-01-20 2021-01-18 二次电池及其制造方法
JP2021572724A JPWO2021149644A1 (https=) 2020-01-20 2021-01-18
US17/867,723 US20220352581A1 (en) 2020-01-20 2022-07-19 Secondary battery and method of manufacturing the same

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2020-006868 2020-01-20
JP2020006868 2020-01-20

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US17/867,723 Continuation US20220352581A1 (en) 2020-01-20 2022-07-19 Secondary battery and method of manufacturing the same

Publications (1)

Publication Number Publication Date
WO2021149644A1 true WO2021149644A1 (ja) 2021-07-29

Family

ID=76992415

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2021/001499 Ceased WO2021149644A1 (ja) 2020-01-20 2021-01-18 二次電池およびその製造方法

Country Status (4)

Country Link
US (1) US20220352581A1 (https=)
JP (1) JPWO2021149644A1 (https=)
CN (1) CN114982028A (https=)
WO (1) WO2021149644A1 (https=)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114069019A (zh) * 2021-12-08 2022-02-18 深圳聚锂能源有限公司 一种扣式电池壳体、扣式电池及组装方法
WO2022113716A1 (ja) * 2020-11-24 2022-06-02 株式会社村田製作所 二次電池の製造方法
EP4404318A1 (en) 2023-01-19 2024-07-24 Toyota Jidosha Kabushiki Kaisha Battery

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102829177B1 (ko) * 2020-04-06 2025-07-04 주식회사 엘지에너지솔루션 이차전지
US12597630B2 (en) * 2023-08-21 2026-04-07 Meta Platforms Technologies, Llc Batteries with non-rectangular shapes for augmented reality devices, and systems and methods of use thereof
DE102023003867A1 (de) * 2023-09-23 2025-03-27 Mercedes-Benz Group AG Batteriezellaufbau und Verfahren zur Fertigung
KR20250136554A (ko) * 2024-03-08 2025-09-16 삼성에스디아이 주식회사 이차 전지

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59154747A (ja) * 1983-02-23 1984-09-03 Hitachi Maxell Ltd 密閉形電池の製造法
JPS60207264A (ja) * 1984-03-30 1985-10-18 Japan Storage Battery Co Ltd 小形密閉鉛蓄電池
JPH0425008A (ja) * 1990-05-16 1992-01-28 Elna Co Ltd エネルギー貯蔵装置
JP2008262827A (ja) * 2007-04-12 2008-10-30 Hitachi Maxell Ltd コイン形非水電解液二次電池
JP2012079689A (ja) * 2010-09-07 2012-04-19 Swissbatt Ag 電池ケーシング
CN106159350A (zh) * 2015-04-27 2016-11-23 深圳金山电池有限公司 一种纽扣型锂离子二次电池及其制备方法
JP2019536254A (ja) * 2016-12-30 2019-12-12 チョンチン ブイディーエル エレクトロニクス カンパニー，リミテッド ボタン電池及びその製造方法

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102080284B1 (ko) * 2015-10-22 2020-02-21 주식회사 엘지화학 복수의 전극 탭들이 형성되어 있는 단위 전극을 포함하는 파우치형 전지셀
DE102018208654A1 (de) * 2018-05-30 2019-12-05 Bayerische Motoren Werke Aktiengesellschaft Hybride Batteriekomponente und Verfahren zum Herstellen einer hybriden Batteriekomponente
EP3742514B1 (de) * 2019-05-20 2024-03-20 VARTA Microbattery GmbH Verfahren zur herstellung einer batterie und gemäss dem verfahren hergestellte batterie

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59154747A (ja) * 1983-02-23 1984-09-03 Hitachi Maxell Ltd 密閉形電池の製造法
JPS60207264A (ja) * 1984-03-30 1985-10-18 Japan Storage Battery Co Ltd 小形密閉鉛蓄電池
JPH0425008A (ja) * 1990-05-16 1992-01-28 Elna Co Ltd エネルギー貯蔵装置
JP2008262827A (ja) * 2007-04-12 2008-10-30 Hitachi Maxell Ltd コイン形非水電解液二次電池
JP2012079689A (ja) * 2010-09-07 2012-04-19 Swissbatt Ag 電池ケーシング
CN106159350A (zh) * 2015-04-27 2016-11-23 深圳金山电池有限公司 一种纽扣型锂离子二次电池及其制备方法
JP2019536254A (ja) * 2016-12-30 2019-12-12 チョンチン ブイディーエル エレクトロニクス カンパニー，リミテッド ボタン電池及びその製造方法

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2022113716A1 (ja) * 2020-11-24 2022-06-02 株式会社村田製作所 二次電池の製造方法
JPWO2022113716A1 (https=) * 2020-11-24 2022-06-02
JP7613480B2 (ja) 2020-11-24 2025-01-15 株式会社村田製作所 二次電池の製造方法
CN114069019A (zh) * 2021-12-08 2022-02-18 深圳聚锂能源有限公司 一种扣式电池壳体、扣式电池及组装方法
CN114069019B (zh) * 2021-12-08 2025-03-18 深圳聚锂能源有限公司 一种扣式电池壳体、扣式电池及组装方法
EP4404318A1 (en) 2023-01-19 2024-07-24 Toyota Jidosha Kabushiki Kaisha Battery
KR20240115752A (ko) 2023-01-19 2024-07-26 도요타 지도샤（주） 전지

Also Published As

Publication number Publication date
US20220352581A1 (en) 2022-11-03
CN114982028A (zh) 2022-08-30
JPWO2021149644A1 (https=) 2021-07-29

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