WO2019098550A3 - 리튬 이차 전지용 양극 및 이의 제조방법 - Google Patents

리튬 이차 전지용 양극 및 이의 제조방법 Download PDF

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Publication number
WO2019098550A3
WO2019098550A3 PCT/KR2018/012532 KR2018012532W WO2019098550A3 WO 2019098550 A3 WO2019098550 A3 WO 2019098550A3 KR 2018012532 W KR2018012532 W KR 2018012532W WO 2019098550 A3 WO2019098550 A3 WO 2019098550A3
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WO
WIPO (PCT)
Prior art keywords
positive electrode
lithium secondary
secondary battery
producing same
lithium
Prior art date
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PCT/KR2018/012532
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English (en)
French (fr)
Other versions
WO2019098550A2 (ko
Inventor
김윤경
고동욱
양두경
Original Assignee
주식회사 엘지화학
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Application filed by 주식회사 엘지화학 filed Critical 주식회사 엘지화학
Priority to CN201880057571.5A priority Critical patent/CN111066177B/zh
Priority to EP18877560.5A priority patent/EP3654416A4/en
Priority to US16/641,103 priority patent/US11476458B2/en
Priority to JP2020508992A priority patent/JP7062189B2/ja
Publication of WO2019098550A2 publication Critical patent/WO2019098550A2/ko
Publication of WO2019098550A3 publication Critical patent/WO2019098550A3/ko

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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
    • H01M4/00—Electrodes
    • H01M4/02—Electrodes composed of, or comprising, active material
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
    • 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
    • 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
    • H01M10/00—Secondary cells; Manufacture thereof
    • H01M10/05—Accumulators with non-aqueous electrolyte
    • H01M10/056—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes
    • H01M10/0564—Accumulators with non-aqueous electrolyte characterised by the materials used as electrolytes, e.g. mixed inorganic/organic electrolytes the electrolyte being constituted of organic materials only
    • H01M10/0565—Polymeric materials, e.g. gel-type or solid-type
    • 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
    • H01M4/0471—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
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/362—Composites
    • H01M4/366—Composites as layered products
    • 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
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
    • H01M4/381—Alkaline or alkaline earth metals elements
    • H01M4/382—Lithium
    • 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
    • H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
    • 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
    • H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
    • H01M4/621—Binders
    • H01M4/622—Binders being polymers
    • H01M4/623—Binders being polymers fluorinated polymers
    • 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
    • H01M2004/028—Positive electrodes
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2300/00—Electrolytes
    • H01M2300/0017—Non-aqueous electrolytes
    • H01M2300/0065—Solid electrolytes
    • H01M2300/0082—Organic polymers
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01M—PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSION OF CHEMICAL ENERGY INTO ELECTRICAL ENERGY
    • H01M2300/00—Electrolytes
    • H01M2300/0085—Immobilising or gelification of electrolyte
    • 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

Abstract

본 발명은 리튬 이차 전지의 양극 활물질층 상에 형성된 겔 고분자 전해질 코팅층을 포함하는 리튬 이차 전지용 양극에 대한 것으로, 상기 양극을 구비하여 종래 리튬 이차 전지에서 발생하는 리튬 폴리설파이드로 인한 문제를 해소할 수 있는 신규한 구조의 양극 및 이를 포함하는 리튬 이차 전지에 관한 것이다.
PCT/KR2018/012532 2017-11-16 2018-10-23 리튬 이차 전지용 양극 및 이의 제조방법 WO2019098550A2 (ko)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CN201880057571.5A CN111066177B (zh) 2017-11-16 2018-10-23 锂二次电池用正极和其制造方法
EP18877560.5A EP3654416A4 (en) 2017-11-16 2018-10-23 POSITIVE ELECTRODE FOR A LITHIUM-ION SECONDARY BATTERY AND THE MANUFACTURING PROCESS FOR IT
US16/641,103 US11476458B2 (en) 2017-11-16 2018-10-23 Cathode for lithium secondary batteries and method of manufacturing the same
JP2020508992A JP7062189B2 (ja) 2017-11-16 2018-10-23 リチウム二次電池用正極及びこの製造方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020170153234A KR102328255B1 (ko) 2017-11-16 2017-11-16 리튬-황 전지용 양극 및 이의 제조방법
KR10-2017-0153234 2017-11-16

Publications (2)

Publication Number Publication Date
WO2019098550A2 WO2019098550A2 (ko) 2019-05-23
WO2019098550A3 true WO2019098550A3 (ko) 2019-07-11

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Country Status (6)

Country Link
US (1) US11476458B2 (ko)
EP (1) EP3654416A4 (ko)
JP (1) JP7062189B2 (ko)
KR (1) KR102328255B1 (ko)
CN (1) CN111066177B (ko)
WO (1) WO2019098550A2 (ko)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20210155885A (ko) * 2020-06-17 2021-12-24 주식회사 엘지에너지솔루션 리튬-황 이차전지용 캡슐 및 이를 포함하는 리튬-황 이차전지
CN113193235B (zh) * 2021-04-16 2023-01-17 清华大学 自修复聚合物电解质膜及其制备方法、电池
EP4195346A1 (en) 2021-12-07 2023-06-14 Saft Polysiloxane based crosslinked solid electrolyte compositions and the cells comprising the same
CN114388867A (zh) * 2021-12-14 2022-04-22 浙江锋锂新能源科技有限公司 一种具有原位修复的锂金属电池、制备及修复方法
DE102021214966A1 (de) 2021-12-22 2023-06-22 Volkswagen Aktiengesellschaft Verfahren zur Herstellung einer Kathode für eine Lithium-Ionen-Batteriezelle

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JP2014089834A (ja) * 2012-10-29 2014-05-15 Nippon Zeon Co Ltd リチウムイオン二次電池負極用スラリー組成物及びその製造方法、リチウムイオン二次電池用負極、並びにリチウムイオン二次電池
KR20160040113A (ko) * 2014-10-02 2016-04-12 주식회사 엘지화학 겔 폴리머 전해질 및 이를 포함하는 리튬 이차전지
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KR20060042326A (ko) * 2004-11-09 2006-05-12 브이케이 주식회사 계면 가교 방식의 겔 고분자 전지 제조 방법 및 이를채용한 리튬 2차 전지
JP2014089834A (ja) * 2012-10-29 2014-05-15 Nippon Zeon Co Ltd リチウムイオン二次電池負極用スラリー組成物及びその製造方法、リチウムイオン二次電池用負極、並びにリチウムイオン二次電池
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KR20160040113A (ko) * 2014-10-02 2016-04-12 주식회사 엘지화학 겔 폴리머 전해질 및 이를 포함하는 리튬 이차전지
KR20160051652A (ko) * 2014-10-31 2016-05-11 주식회사 엘지화학 리튬 황 전지 및 이의 제조 방법

Also Published As

Publication number Publication date
KR102328255B1 (ko) 2021-11-18
CN111066177A (zh) 2020-04-24
US11476458B2 (en) 2022-10-18
US20200350570A1 (en) 2020-11-05
JP2020532057A (ja) 2020-11-05
KR20190056121A (ko) 2019-05-24
EP3654416A4 (en) 2020-08-12
WO2019098550A2 (ko) 2019-05-23
CN111066177B (zh) 2023-03-28
JP7062189B2 (ja) 2022-05-06
EP3654416A2 (en) 2020-05-20

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