WO2019083273A3 - 비틀림 현상이 개선된 이차전지용 단면 전극 및 이의 제조방법 - Google Patents

비틀림 현상이 개선된 이차전지용 단면 전극 및 이의 제조방법 Download PDF

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Publication number
WO2019083273A3
WO2019083273A3 PCT/KR2018/012632 KR2018012632W WO2019083273A3 WO 2019083273 A3 WO2019083273 A3 WO 2019083273A3 KR 2018012632 W KR2018012632 W KR 2018012632W WO 2019083273 A3 WO2019083273 A3 WO 2019083273A3
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Prior art keywords
electrode
secondary battery
sided electrode
producing same
twisting
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PCT/KR2018/012632
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English (en)
French (fr)
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WO2019083273A2 (ko
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오세운
윤여경
우선확
정유라
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주식회사 엘지화학
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Priority to CN201880016156.5A priority Critical patent/CN110392946B/zh
Priority to US16/491,083 priority patent/US20200014031A1/en
Priority to EP18869984.7A priority patent/EP3582295B1/en
Priority to PL18869984.7T priority patent/PL3582295T3/pl
Publication of WO2019083273A2 publication Critical patent/WO2019083273A2/ko
Publication of WO2019083273A3 publication Critical patent/WO2019083273A3/ko
Priority to US17/366,026 priority patent/US20210336272A1/en

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    • 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
    • H01M10/052—Li-accumulators
    • H01M10/0525—Rocking-chair batteries, i.e. batteries with lithium insertion or intercalation in both electrodes; Lithium-ion batteries
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/04—Processes of manufacture in general
    • H01M4/0402—Methods of deposition of the material
    • H01M4/0404—Methods of deposition of the material by coating on electrode collectors
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/04—Processes of manufacture in general
    • H01M4/043—Processes of manufacture in general involving compressing or compaction
    • H01M4/0435—Rolling or calendering
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/04—Processes of manufacture in general
    • H01M4/0471—Processes of manufacture in general involving thermal treatment, e.g. firing, sintering, backing particulate active material, thermal decomposition, pyrolysis
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • H01M4/139—Processes of manufacture
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/64—Carriers or collectors
    • H01M4/66—Selection of materials
    • H01M4/661—Metal or alloys, e.g. alloy coatings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/64—Carriers or collectors
    • H01M4/66—Selection of materials
    • H01M4/665—Composites
    • H01M4/667—Composites in the form of layers, e.g. coatings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/64—Carriers or collectors
    • H01M4/66—Selection of materials
    • H01M4/668—Composites of electroconductive material and synthetic resins
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/64—Carriers or collectors
    • H01M4/66—Selection of materials
    • H01M4/669—Steels
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/64—Carriers or collectors
    • H01M4/70—Carriers or collectors characterised by shape or form
    • 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
    • H01M10/052—Li-accumulators
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
    • H01M2004/027—Negative electrodes
    • 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

Abstract

본 발명은 집전체; 집전체의 일면에 도포된 전극 합제층; 및 상기 전극 합제가 도포되지 않은 집전체의 타면에 형성된 전극 뒤틀림 방지층을 포함하는 것을 특징으로 하는 이차전지용 단면 전극이다. 본 발명의 단면 전극은 압연 공정 이후 뒤틀림 또는 말림 현상이 현저히 개선된 전극으로서 후속 공정의 작업을 용이하게 하고 생산성이 향상된 이점이 있다.
PCT/KR2018/012632 2017-10-25 2018-10-24 비틀림 현상이 개선된 이차전지용 단면 전극 및 이의 제조방법 WO2019083273A2 (ko)

Priority Applications (5)

Application Number Priority Date Filing Date Title
CN201880016156.5A CN110392946B (zh) 2017-10-25 2018-10-24 用于二次电池的具有减少的扭曲的单面电极及其制备方法
US16/491,083 US20200014031A1 (en) 2017-10-25 2018-10-24 One-sided electrode with reduced twisting for a secondary battery, and method for producing same
EP18869984.7A EP3582295B1 (en) 2017-10-25 2018-10-24 One-sided electrode with reduced twisting for a secondary battery, and method for producing same
PL18869984.7T PL3582295T3 (pl) 2017-10-25 2018-10-24 Elektroda jednostronna o zmniejszonym skręcie do baterii akumulatorowej oraz sposób jej wytwarzania
US17/366,026 US20210336272A1 (en) 2017-10-25 2021-07-02 One-sided electrode with reduced twisting for a secondary battery, and method for producing same

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR20170139136 2017-10-25
KR10-2017-0139136 2017-10-25

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US16/491,083 A-371-Of-International US20200014031A1 (en) 2017-10-25 2018-10-24 One-sided electrode with reduced twisting for a secondary battery, and method for producing same
US17/366,026 Division US20210336272A1 (en) 2017-10-25 2021-07-02 One-sided electrode with reduced twisting for a secondary battery, and method for producing same

Publications (2)

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WO2019083273A2 WO2019083273A2 (ko) 2019-05-02
WO2019083273A3 true WO2019083273A3 (ko) 2019-06-20

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US (2) US20200014031A1 (ko)
EP (1) EP3582295B1 (ko)
KR (1) KR102203798B1 (ko)
CN (1) CN110392946B (ko)
PL (1) PL3582295T3 (ko)
WO (1) WO2019083273A2 (ko)

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WO2023090684A1 (ko) * 2021-11-16 2023-05-25 주식회사 엘지에너지솔루션 단면 양극의 타면에 형성된 코팅층을 포함하는 전극조립체 및 이를 포함하는 이차전지

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KR102203798B1 (ko) 2021-01-15
EP3582295A4 (en) 2020-04-01
EP3582295A2 (en) 2019-12-18
PL3582295T3 (pl) 2023-02-27
CN110392946B (zh) 2023-04-07
CN110392946A (zh) 2019-10-29
KR20190046688A (ko) 2019-05-07
WO2019083273A2 (ko) 2019-05-02
EP3582295B1 (en) 2022-11-30
US20210336272A1 (en) 2021-10-28
US20200014031A1 (en) 2020-01-09

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