KR102760617B1 - 전지 셀 케이스 및 그것을 사용한 전지의 제조 방법 - Google Patents

전지 셀 케이스 및 그것을 사용한 전지의 제조 방법 Download PDF

Info

Publication number
KR102760617B1
KR102760617B1 KR1020227008126A KR20227008126A KR102760617B1 KR 102760617 B1 KR102760617 B1 KR 102760617B1 KR 1020227008126 A KR1020227008126 A KR 1020227008126A KR 20227008126 A KR20227008126 A KR 20227008126A KR 102760617 B1 KR102760617 B1 KR 102760617B1
Authority
KR
South Korea
Prior art keywords
opening
resin
battery cell
cell case
container cover
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.)
Active
Application number
KR1020227008126A
Other languages
English (en)
Korean (ko)
Other versions
KR20220047998A (ko
Inventor
다케히로 다카하시
아키노부 고바야시
Original Assignee
닛폰세이테츠 가부시키가이샤
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 닛폰세이테츠 가부시키가이샤 filed Critical 닛폰세이테츠 가부시키가이샤
Publication of KR20220047998A publication Critical patent/KR20220047998A/ko
Application granted granted Critical
Publication of KR102760617B1 publication Critical patent/KR102760617B1/ko
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • H01M10/05—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
    • 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
    • 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
    • H01M50/116—Primary casings; Jackets or wrappings characterised by the material
    • 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
    • H01M50/116—Primary casings; Jackets or wrappings characterised by the material
    • H01M50/121—Organic material
    • 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
    • H01M50/124—Primary casings; Jackets or wrappings characterised by the material having a layered structure
    • H01M50/1243—Primary casings; Jackets or wrappings characterised by the material having a layered structure characterised by the internal coating on the 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
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/116—Primary casings; Jackets or wrappings characterised by the material
    • H01M50/124—Primary casings; Jackets or wrappings characterised by the material having a layered structure
    • H01M50/1245—Primary casings; Jackets or wrappings characterised by the material having a layered structure characterised by the external coating on the 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
    • H01M50/10—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
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/147—Lids or covers
    • H01M50/148—Lids or covers characterised by their shape
    • H01M50/15—Lids or covers characterised by their shape 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
    • H01M50/10—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
    • H01M50/155—Lids or covers characterised by the material
    • H01M50/16—Organic material
    • 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
    • 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
    • H01M50/167—Lids or covers characterised by the methods of assembling casings with lids by crimping
    • 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
    • H01M50/10—Primary casings; Jackets or wrappings
    • H01M50/172—Arrangements of electric connectors penetrating the 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
    • H01M50/10—Primary casings; Jackets or wrappings
    • 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
    • H01M50/30—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
    • H01M50/543—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
    • H01M50/545—Terminals formed by the casing 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
    • H01M50/50—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
    • H01M50/60—Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings
    • 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
    • H01M50/60—Arrangements or processes for filling or topping-up with liquids; Arrangements or processes for draining liquids from casings
    • H01M50/609—Arrangements or processes for filling with liquid, e.g. electrolytes
    • H01M50/627—Filling ports
    • H01M50/636—Closing or sealing filling ports, e.g. using lids
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Sealing Battery Cases Or Jackets (AREA)
  • Filling, Topping-Up Batteries (AREA)
  • Secondary Cells (AREA)
  • Connection Of Batteries Or Terminals (AREA)
KR1020227008126A 2019-10-03 2020-10-01 전지 셀 케이스 및 그것을 사용한 전지의 제조 방법 Active KR102760617B1 (ko)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
JP2019182800 2019-10-03
JPJP-P-2019-182800 2019-10-03
PCT/JP2020/037469 WO2021066112A1 (ja) 2019-10-03 2020-10-01 電池セルケースおよびそれを用いた電池の製造方法

Publications (2)

Publication Number Publication Date
KR20220047998A KR20220047998A (ko) 2022-04-19
KR102760617B1 true KR102760617B1 (ko) 2025-02-03

Family

ID=75337061

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1020227008126A Active KR102760617B1 (ko) 2019-10-03 2020-10-01 전지 셀 케이스 및 그것을 사용한 전지의 제조 방법

Country Status (6)

Country Link
US (1) US20220336935A1 (https=)
EP (1) EP4040578A4 (https=)
JP (1) JP7303458B2 (https=)
KR (1) KR102760617B1 (https=)
CN (1) CN114365329B (https=)
WO (1) WO2021066112A1 (https=)

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN215070147U (zh) * 2021-06-29 2021-12-07 比亚迪股份有限公司 电池壳及电池
EP4528893A4 (en) * 2022-05-17 2025-08-20 Panasonic Energy Co Ltd CYLINDRICAL BATTERY
CN116951767A (zh) * 2022-12-30 2023-10-27 广东万和新电气股份有限公司 卷接壳体、燃气热水设备及卷接壳体加工方法
CN115986275A (zh) * 2023-02-27 2023-04-18 孚能科技(赣州)股份有限公司 电芯壳体及其制造方法
JPWO2025079677A1 (https=) * 2023-10-12 2025-04-17
JP7786654B2 (ja) * 2023-11-10 2025-12-16 大日本印刷株式会社 蓄電デバイス、外装フィルム、外装体キット、蓄電デバイスの製造方法
DE102024102377A1 (de) * 2024-01-29 2025-07-31 Bayerische Motoren Werke Aktiengesellschaft Zylindrische Batteriezelle und Verfahren zur Herstellung dieser
WO2026083817A1 (ja) * 2024-10-16 2026-04-23 日本製鉄株式会社 電池ケース、電池、および電池ケースの製造方法
JP7741459B1 (ja) * 2025-03-18 2025-09-18 日本製鉄株式会社 電池ケース
JP7741460B1 (ja) * 2025-03-18 2025-09-18 日本製鉄株式会社 電池ケース

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002246068A (ja) 2001-02-15 2002-08-30 Osaka Gas Co Ltd 非水系二次電池
JP2008251381A (ja) 2007-03-30 2008-10-16 Kri Inc 非水系二次電池
JP2009245709A (ja) 2008-03-31 2009-10-22 Kri Inc 蓄電デバイスモジュール
JP2010087170A (ja) 2008-09-30 2010-04-15 Fdk Corp 蓄電デバイス

Family Cites Families (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2001243980A (ja) * 2000-02-29 2001-09-07 Osaka Gas Co Ltd 非水系二次電池
JP2001243953A (ja) * 2000-02-29 2001-09-07 Osaka Gas Co Ltd 非水系二次電池
JP2004330533A (ja) * 2003-05-02 2004-11-25 Toyo Kohan Co Ltd 安全装置、および安全装置を備えた部品、および安全装置を備えた容器
KR100579377B1 (ko) * 2004-10-28 2006-05-12 삼성에스디아이 주식회사 이차 전지
JP5080738B2 (ja) * 2005-12-20 2012-11-21 新日鉄マテリアルズ株式会社 樹脂被覆ステンレス鋼箔，容器及び２次電池
US8999576B2 (en) * 2009-05-22 2015-04-07 Sharp Kabushiki Kaisha Cathode active material, cathode and nonaqueous secondary battery
JP5480726B2 (ja) 2010-06-11 2014-04-23 日新製鋼株式会社 電池用ケースの製造方法
JP5480737B2 (ja) 2010-07-09 2014-04-23 日新製鋼株式会社 電池用ケースの製造方法及び電池用ケース
JP5505218B2 (ja) 2010-09-14 2014-05-28 株式会社デンソー 密閉型蓄電池
JP5374742B2 (ja) 2010-10-27 2013-12-25 日新製鋼株式会社 ラミネート式電池の外装材、ラミネート式電池の外装材製造方法及びラミネート式電池の製造方法
JP2012174451A (ja) * 2011-02-21 2012-09-10 Sharp Corp 二次電池
WO2012147782A1 (ja) * 2011-04-28 2012-11-01 三洋電機株式会社 密閉型電池及びその製造方法
WO2013132673A1 (ja) * 2012-03-05 2013-09-12 新日鉄住金マテリアルズ株式会社 樹脂金属複合シール容器及びその製造方法
JP6017873B2 (ja) * 2012-07-27 2016-11-02 トヨタ自動車株式会社 密閉型電池
CN203165991U (zh) * 2013-03-08 2013-08-28 宁德新能源科技有限公司 锂离子电池注液孔封口装置
JP6374969B2 (ja) * 2014-08-05 2018-08-15 昭和電工株式会社 金属箔と樹脂フィルムのラミネート用接着剤、該組成物を用いた積層体、電池外装用包装材および電池ケース
JP6583837B2 (ja) * 2016-02-03 2019-10-02 昭和電工株式会社 金属箔と樹脂フィルムのラミネート用接着剤、積層体、電池外装用包装材並びに電池ケース及びその製造方法
JP6752628B2 (ja) * 2016-06-03 2020-09-09 太陽誘電株式会社 蓄電セル及び蓄電モジュール
US11059111B2 (en) 2017-08-30 2021-07-13 Moldino Tool Engineering, Ltd. Cutting insert and indexable ball end mill

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002246068A (ja) 2001-02-15 2002-08-30 Osaka Gas Co Ltd 非水系二次電池
JP2008251381A (ja) 2007-03-30 2008-10-16 Kri Inc 非水系二次電池
JP2009245709A (ja) 2008-03-31 2009-10-22 Kri Inc 蓄電デバイスモジュール
JP2010087170A (ja) 2008-09-30 2010-04-15 Fdk Corp 蓄電デバイス

Also Published As

Publication number Publication date
KR20220047998A (ko) 2022-04-19
CN114365329A (zh) 2022-04-15
US20220336935A1 (en) 2022-10-20
JP7303458B2 (ja) 2023-07-05
EP4040578A4 (en) 2023-03-15
CN114365329B (zh) 2024-03-22
WO2021066112A1 (ja) 2021-04-08
EP4040578A1 (en) 2022-08-10
JPWO2021066112A1 (https=) 2021-04-08

Similar Documents

Publication Publication Date Title
KR102760617B1 (ko) 전지 셀 케이스 및 그것을 사용한 전지의 제조 방법
EP4498486A2 (en) Pouch type battery case and pouch type secondary battery
US7749652B2 (en) Lead and nonaqueous electrolyte battery including same
US10461304B2 (en) Cylindrical battery
US10586956B2 (en) Pouch type secondary battery and method of manufacturing the same
CN110785871A (zh) 包含设置有绝缘涂层的电极极耳的二次电池
US10217973B2 (en) Prismatic secondary battery
JP4297877B2 (ja) カン型二次電池
US20180342726A1 (en) Nonaqueous electrolyte secondary battery
KR101867614B1 (ko) 전극 조립체와 이를 구비한 이차전지
KR20210038029A (ko) 이차전지
US11183678B2 (en) Electrode for nonaqueous electrolyte secondary battery and nonaqueous electrolyte secondary battery
KR102876527B1 (ko) 파우치형 이차 전지
JP7364881B2 (ja) 電池セルケース
EP4632920A1 (en) Pouch-type secondary battery
KR102876483B1 (ko) 파우치 필름 적층체 및 이차 전지
US20240128463A1 (en) Laminated resin film, current collector, and secondary battery
US12512504B2 (en) Lithium ion battery
EP4641781A1 (en) Pouch-type battery case and pouch-type secondary battery
KR102945192B1 (ko) 파우치 필름 적층체 및 이를 포함하는 파우치 형 이차전지 케이스
KR101674448B1 (ko) 전극 조립체 및 이를 포함하는 이차전지
EP4614692A1 (en) Pouch-type secondary battery
KR20250168975A (ko) 이차전지용 리드 필름 및 이를 포함하는 파우치형 이차 전지
JP2003059537A (ja) 角型非水電解液二次電池
KR20240100155A (ko) 파우치 필름 적층체 및 이차 전지

Legal Events

Date Code Title Description
PA0105 International application

Patent event date: 20220311

Patent event code: PA01051R01D

Comment text: International Patent Application

PA0201 Request for examination
PG1501 Laying open of application
E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 20240731

Patent event code: PE09021S01D

E701 Decision to grant or registration of patent right
PE0701 Decision of registration

Patent event code: PE07011S01D

Comment text: Decision to Grant Registration

Patent event date: 20241127

GRNT Written decision to grant
PR0701 Registration of establishment

Comment text: Registration of Establishment

Patent event date: 20250122

Patent event code: PR07011E01D

PR1002 Payment of registration fee

Payment date: 20250123

End annual number: 3

Start annual number: 1

PG1601 Publication of registration