JP6980982B2 - 電極組立体およびその電極組立体の製造方法 - Google Patents
電極組立体およびその電極組立体の製造方法 Download PDFInfo
- Publication number
- JP6980982B2 JP6980982B2 JP2020521370A JP2020521370A JP6980982B2 JP 6980982 B2 JP6980982 B2 JP 6980982B2 JP 2020521370 A JP2020521370 A JP 2020521370A JP 2020521370 A JP2020521370 A JP 2020521370A JP 6980982 B2 JP6980982 B2 JP 6980982B2
- Authority
- JP
- Japan
- Prior art keywords
- electrode
- positive electrode
- negative electrode
- negative
- positive
- 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
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
- H01M10/00—Secondary cells; Manufacture thereof
- H01M10/04—Construction or manufacture in general
- H01M10/0436—Small-sized flat cells or batteries for portable equipment
-
- 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
- H01M10/0585—Construction or manufacture of accumulators having only flat construction elements, i.e. flat positive electrodes, flat negative electrodes and flat separators
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K20/00—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating
- B23K20/10—Non-electric welding by applying impact or other pressure, with or without the application of heat, e.g. cladding or plating making use of vibrations, e.g. ultrasonic welding
-
- 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
- H01M10/0413—Large-sized flat cells or batteries for motive or stationary systems with plate-like 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
- H01M10/04—Construction or manufacture in general
- H01M10/0472—Vertically superposed cells with vertically disposed plates
-
- 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
- H01M10/0583—Construction or manufacture of accumulators with folded construction elements except wound ones, i.e. folded positive or negative electrodes or separators, e.g. with "Z"-shaped electrodes or 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
- H01M50/50—Current conducting connections for cells or batteries
- H01M50/502—Interconnectors for connecting terminals of adjacent batteries; Interconnectors for connecting cells outside 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
- 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
- H01M50/528—Fixed electrical connections, i.e. not intended for disconnection
- H01M50/529—Intercell connections through partitions, e.g. in 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
- 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
- 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
- H01M50/534—Electrode connections inside a battery casing characterised by the material 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
- H01M50/531—Electrode connections inside a battery casing
- H01M50/536—Electrode connections inside a battery casing characterised by the method of fixing the leads to the electrodes, e.g. by welding
-
- 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
- H01M50/54—Connection of several leads or tabs of plate-like electrode stacks, e.g. electrode pole straps or bridges
-
- 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
- H01M50/548—Terminals characterised by the disposition of the terminals on the cells on opposite sides 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
- H01M50/543—Terminals
- H01M50/564—Terminals characterised by their manufacturing process
- H01M50/566—Terminals characterised by their manufacturing process by welding, soldering or brazing
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2101/00—Articles made by soldering, welding or cutting
- B23K2101/36—Electric or electronic devices
- B23K2101/38—Conductors
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Connection Of Batteries Or Terminals (AREA)
- Secondary Cells (AREA)
Description
一側端に正極タブ部30が形成されており、他側端には正極延長部40aを含む正極13/セパレータ15/一側端には負極延長部50aを含み、他側端には負極タブ部20が形成されている負極11を順に積層することを意味し得る。
Claims (17)
- 複数個の負極と正極が交互に繰り返して積層され、複数個の負極と正極との間にセパレータが積層される単一の電極組立体であって、
前記電極組立体の一端に複数個の前記負極から延びて形成された負極タブ部と、
前記電極組立体の一端に前記負極タブ部と離隔し、前記複数個の正極を互いに電気的に連結する正極バスバーと、
前記電極組立体で前記一端の反対側に位置した他端に複数個の前記正極から延びて形成された正極タブ部と、
前記電極組立体の他端に前記正極タブ部と離隔し、前記複数個の負極を互いに電気的に連結する負極バスバーとを含み、
前記正極バスバーと前記負極バスバーは、前記電極組立体の中央部を中心に互いに対称な位置に形成される、電極組立体。 - 前記正極バスバーと前記負極バスバーは、それぞれ複数個が形成される、請求項1に記載の電極組立体。
- 前記正極バスバーは、前記正極から延びた電極集電体で形成され、前記負極バスバーは、前記負極から延びた電極集電体で形成される、請求項1または2に記載の電極組立体。
- 前記正極バスバーと前記電極組立体の負極とを絶縁するように、前記正極バスバーと前記負極との間に設置されるか、または前記負極バスバーと前記電極組立体の正極とを絶縁するように、前記負極バスバーと前記正極との間に設置される絶縁部材を含む、請求項1から3のいずれか一項に記載の電極組立体。
- 電極とセパレータを交互に積層して電極積層体を形成する際、一側端で正極とセパレータよりも長さが長い部分である負極延長部を含む負極および他側端で負極とセパレータよりも長さが長い部分である正極延長部を含む正極を用いて電極積層体を形成する積層ステップと、
複数の前記負極に含まれる複数の前記負極延長部を互いに溶接する負極溶接ステップと、
複数の前記正極に含まれる複数の前記正極延長部を互いに溶接する正極溶接ステップとを含む、請求項1から4のいずれか一項に記載の電極組立体の製造方法。 - 前記積層ステップは、
一側端に正極タブ部が形成されている正極、セパレータおよび一側端に負極延長部を含む負極を順に積層する、請求項5に記載の電極組立体の製造方法。 - 前記負極溶接ステップにおいて、前記負極延長部を互いに溶接するときに、前記負極延長部で前記正極タブ部と離隔する部分を溶接する、請求項6に記載の電極組立体の製造方法。
- 前記積層ステップは、
他側端に負極タブ部が形成されている負極、セパレータおよび他側端に正極延長部を含む正極を順に積層する、請求項5に記載の電極組立体の製造方法。 - 前記正極溶接ステップにおいて、前記正極延長部を互いに溶接するときに、前記正極延長部で前記負極タブ部と離隔する部分を溶接する、請求項8に記載の電極組立体の製造方法。
- 前記負極溶接ステップと前記正極溶接ステップにおいて、
前記負極延長部および前記正極延長部の溶接は、それぞれ超音波溶接または熱溶接で行われる、請求項5から9のいずれか一項に記載の電極組立体の製造方法。 - 前記負極延長部で互いに溶接されていない箇所を切断する負極切断ステップをさらに含む、請求項5から10のいずれか一項に記載の電極組立体の製造方法。
- 前記負極切断ステップで切断されていない互いに溶接された前記負極延長部は、負極バスバーを形成する、請求項11に記載の電極組立体の製造方法。
- 前記負極バスバーと前記電極積層体の正極とを絶縁するように、絶縁部材を設置する第1の絶縁部材設置ステップをさらに含む、請求項12に記載の電極組立体の製造方法。
- 前記正極延長部で互いに溶接されていない箇所を切断する正極切断ステップをさらに含む、請求項5から13のいずれか一項に記載の電極組立体の製造方法。
- 前記正極切断ステップで切断されていない互いに溶接された前記正極延長部は、正極バスバーを形成する、請求項14に記載の電極組立体の製造方法。
- 前記正極バスバーと前記電極積層体の負極とを絶縁するように、絶縁部材を設置する第2の絶縁部材設置ステップをさらに含む、請求項15に記載の電極組立体の製造方法。
- 複数個の負極と正極が交互に繰り返して積層され、複数個の負極と正極との間にセパレータが積層される単一の電極組立体を含む二次電池であって、
前記電極組立体の一端に複数個の前記負極から延びて形成された負極タブ部と、
前記電極組立体の一端に前記負極タブ部と離隔し、前記複数個の正極を互いに電気的に連結する正極バスバーと、
前記電極組立体で前記一端の反対側に位置した他端に複数個の前記正極から延びて形成された正極タブ部と、
前記電極組立体の他端に前記正極タブ部と離隔し、前記複数個の負極を互いに電気的に連結する負極バスバーとを含み、
前記正極バスバーと前記負極バスバーは、前記電極組立体の中央部を中心に互いに対称な位置に形成される、二次電池。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020180094484A KR102384970B1 (ko) | 2018-08-13 | 2018-08-13 | 전극조립체 및 그 전극조립체의 제조 방법 |
KR10-2018-0094484 | 2018-08-13 | ||
PCT/KR2019/008590 WO2020036318A1 (ko) | 2018-08-13 | 2019-07-11 | 전극조립체 및 그 전극조립체의 제조 방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2020537322A JP2020537322A (ja) | 2020-12-17 |
JP6980982B2 true JP6980982B2 (ja) | 2021-12-15 |
Family
ID=69525549
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2020521370A Active JP6980982B2 (ja) | 2018-08-13 | 2019-07-11 | 電極組立体およびその電極組立体の製造方法 |
Country Status (6)
Country | Link |
---|---|
US (1) | US11552376B2 (ja) |
EP (1) | EP3667798A4 (ja) |
JP (1) | JP6980982B2 (ja) |
KR (1) | KR102384970B1 (ja) |
CN (1) | CN111108639B (ja) |
WO (1) | WO2020036318A1 (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7249991B2 (ja) * | 2020-12-24 | 2023-03-31 | プライムプラネットエナジー&ソリューションズ株式会社 | 二次電池 |
US20220384912A1 (en) * | 2021-05-27 | 2022-12-01 | Bell Textron Inc. | Thermally Efficient Pouch Cell Architecture |
WO2023210941A1 (ko) * | 2022-04-25 | 2023-11-02 | 주식회사 엘지에너지솔루션 | 전극 조립체 및 이를 포함하는 전지셀 |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3787437B2 (ja) * | 1998-07-31 | 2006-06-21 | 日本特殊陶業株式会社 | 扁平型電池及びその製造方法 |
JP2001325945A (ja) * | 2000-03-06 | 2001-11-22 | Mitsubishi Chemicals Corp | 電池及びその製造方法 |
JP4951810B2 (ja) * | 2000-12-08 | 2012-06-13 | パナソニック株式会社 | 扁平電池 |
JP5227494B2 (ja) | 2005-06-02 | 2013-07-03 | 株式会社東芝 | 組電池の電池パック |
KR101111074B1 (ko) | 2006-10-30 | 2012-02-15 | 주식회사 엘지화학 | 구조적 안정성과 절연저항성이 우수한 전지셀 |
KR101101046B1 (ko) | 2009-12-01 | 2011-12-29 | 삼성에스디아이 주식회사 | 전극 조립체 및 그를 구비하는 이차 전지 |
JP2012054197A (ja) * | 2010-09-03 | 2012-03-15 | Nec Energy Devices Ltd | ラミネート電池およびその製造方法 |
JP2014505335A (ja) | 2011-06-30 | 2014-02-27 | エルジー・ケム・リミテッド | 二次電池用電極組立体及びこれを含むリチウム二次電池 |
US20140134461A1 (en) | 2011-07-04 | 2014-05-15 | Kazuhiko Inoue | Secondary battery |
JP5541250B2 (ja) | 2011-09-20 | 2014-07-09 | 新神戸電機株式会社 | 二次電池 |
JP2013178997A (ja) * | 2012-02-29 | 2013-09-09 | Sanyo Electric Co Ltd | 二次電池 |
KR102008740B1 (ko) | 2012-10-05 | 2019-08-08 | 에스케이이노베이션 주식회사 | 전지팩 |
CN104769746B (zh) | 2012-11-09 | 2017-10-03 | 日产自动车株式会社 | 电池组和电池组的制造方法 |
KR101984314B1 (ko) * | 2012-12-26 | 2019-05-30 | 에스케이이노베이션 주식회사 | 이차전지 |
JP5985993B2 (ja) | 2013-01-10 | 2016-09-06 | 日立オートモティブシステムズ株式会社 | 組電池及びその製造方法 |
JP6249493B2 (ja) * | 2013-03-07 | 2017-12-20 | Necエナジーデバイス株式会社 | 非水電解液二次電池 |
CN104904053B (zh) | 2013-11-27 | 2017-10-24 | 株式会社Lg化学 | 电极组件和包含其的电化学装置 |
TWI697146B (zh) | 2014-06-20 | 2020-06-21 | 楊泰和 | 具絕緣封裝包覆體之多邊導電端子電極板對充放電裝置 |
KR20170028789A (ko) | 2015-09-04 | 2017-03-14 | 삼성에스디아이 주식회사 | 이차 전지 제조 방법 및 이차 전지 |
CN107925131B (zh) | 2016-02-01 | 2021-08-13 | 株式会社东芝 | 二次电池、组电池、电池包及车辆 |
KR102125059B1 (ko) | 2016-06-07 | 2020-06-19 | 주식회사 엘지화학 | 상호 결합된 극판 연장부들이 형성되어 있는 극판들을 포함하고 있는 전극조립체 |
KR101789066B1 (ko) | 2017-05-25 | 2017-10-23 | 주식회사 리베스트 | 복합 구조의 전극 조립체 및 상기 전극 조립체를 갖는 리튬이온 이차전지 |
-
2018
- 2018-08-13 KR KR1020180094484A patent/KR102384970B1/ko active IP Right Grant
-
2019
- 2019-07-11 EP EP19850080.3A patent/EP3667798A4/en active Pending
- 2019-07-11 US US16/646,273 patent/US11552376B2/en active Active
- 2019-07-11 WO PCT/KR2019/008590 patent/WO2020036318A1/ko unknown
- 2019-07-11 CN CN201980004544.6A patent/CN111108639B/zh active Active
- 2019-07-11 JP JP2020521370A patent/JP6980982B2/ja active Active
Also Published As
Publication number | Publication date |
---|---|
EP3667798A1 (en) | 2020-06-17 |
WO2020036318A1 (ko) | 2020-02-20 |
KR20200018977A (ko) | 2020-02-21 |
KR102384970B1 (ko) | 2022-04-11 |
EP3667798A4 (en) | 2020-12-30 |
CN111108639B (zh) | 2023-12-12 |
JP2020537322A (ja) | 2020-12-17 |
US20200287196A1 (en) | 2020-09-10 |
US11552376B2 (en) | 2023-01-10 |
CN111108639A (zh) | 2020-05-05 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
KR102126970B1 (ko) | 이차전지 및 그 이차전지의 제조 방법 | |
EP3567666B1 (en) | Electrode assembly | |
JP6980982B2 (ja) | 電極組立体およびその電極組立体の製造方法 | |
US20190348644A1 (en) | High power battery and battery case | |
KR20170044973A (ko) | 2차 전지 | |
KR20170082819A (ko) | 2차전지 | |
KR102078801B1 (ko) | 전극조립체 및 전극조립체 제작 방법 | |
US11056714B2 (en) | Secondary battery | |
KR20180043571A (ko) | 2차 전지 | |
KR102254261B1 (ko) | 전극조립체 | |
KR102112693B1 (ko) | 2차 전지 | |
KR101865996B1 (ko) | 2차 전지 | |
KR102245119B1 (ko) | 전극 탭 및 그 전극 탭의 제작 방법 | |
KR20180137991A (ko) | 이차전지 및 그 이차전지의 제조 방법 | |
KR20170109397A (ko) | 2차 전지 | |
KR102208452B1 (ko) | 절연부재 및 그를 포함하는 2차 전지 | |
KR20240028850A (ko) | 전극 조립체 및 이를 포함하는 이차 전지 | |
JP2023140177A (ja) | 電極体、蓄電素子 | |
KR20240057125A (ko) | 리튬 이차 전지 및 리튬 이차 전지의 제조 방법 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20200416 |
|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20200416 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20210406 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20210420 |
|
A521 | Request for written amendment filed |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20210712 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20211019 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20211028 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6980982 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |
|
S111 | Request for change of ownership or part of ownership |
Free format text: JAPANESE INTERMEDIATE CODE: R313111 |
|
R350 | Written notification of registration of transfer |
Free format text: JAPANESE INTERMEDIATE CODE: R350 |