WO2019066352A3 - 리튬-황 이차전지의 양극 제조용 바인더 및 이를 사용한 양극의 제조방법 - Google Patents

리튬-황 이차전지의 양극 제조용 바인더 및 이를 사용한 양극의 제조방법 Download PDF

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Publication number
WO2019066352A3
WO2019066352A3 PCT/KR2018/010974 KR2018010974W WO2019066352A3 WO 2019066352 A3 WO2019066352 A3 WO 2019066352A3 KR 2018010974 W KR2018010974 W KR 2018010974W WO 2019066352 A3 WO2019066352 A3 WO 2019066352A3
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WO
WIPO (PCT)
Prior art keywords
positive electrode
preparing positive
binder
lithium
secondary battery
Prior art date
Application number
PCT/KR2018/010974
Other languages
English (en)
French (fr)
Other versions
WO2019066352A2 (ko
Inventor
이충현
김경오
양두경
윤성수
Original Assignee
주식회사 엘지화학
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
Priority claimed from KR1020180110347A external-priority patent/KR102229458B1/ko
Application filed by 주식회사 엘지화학 filed Critical 주식회사 엘지화학
Priority to JP2020514617A priority Critical patent/JP6952885B2/ja
Priority to CN201880059169.0A priority patent/CN111095633B/zh
Priority to EP18861319.4A priority patent/EP3671919B1/en
Priority to US16/646,635 priority patent/US11780945B2/en
Publication of WO2019066352A2 publication Critical patent/WO2019066352A2/ko
Publication of WO2019066352A3 publication Critical patent/WO2019066352A3/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
    • H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
    • H01M4/621—Binders
    • H01M4/622—Binders being polymers
    • 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
    • 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
    • H01M4/36—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
    • 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
    • H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
    • H01M2004/028—Positive 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

Abstract

본 발명은 리튬-황 이차전지의 양극 제조용 바인더 및 이를 사용한 양극의 제조방법에 관한 것이다. 상기 바인더는 아크릴계 고분자를 포함하고, 상기 아크릴계 고분자는 하이드록시페닐계 단량체 중합 단위 또는 디설파이드계 단량체 중합 단위를 포함한다. 상기 하이드록시페닐계 단량체 중합 단위는 아크릴계 고분자 내에 1 내지 20 중량%가 포함되고, 상기 디설파이드계 단량체 중합 단위는 아크릴계 고분자 내에 1 내지 20 중량%가 포함된다.
PCT/KR2018/010974 2017-09-29 2018-09-18 리튬-황 이차전지의 양극 제조용 바인더 및 이를 사용한 양극의 제조방법 WO2019066352A2 (ko)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2020514617A JP6952885B2 (ja) 2017-09-29 2018-09-18 リチウム−硫黄二次電池の正極製造用バインダー及びこれを使用した正極の製造方法
CN201880059169.0A CN111095633B (zh) 2017-09-29 2018-09-18 用于制备锂硫二次电池用正极的粘结剂和使用其制备正极的方法
EP18861319.4A EP3671919B1 (en) 2017-09-29 2018-09-18 Binder for preparing positive electrode for lithium-sulfur secondary battery, and method for preparing positive electrode using same
US16/646,635 US11780945B2 (en) 2017-09-29 2018-09-18 Binder for preparing positive electrode for lithium-sulfur secondary battery, and method for preparing positive electrode using same

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
KR10-2017-0127682 2017-09-29
KR20170127682 2017-09-29
KR10-2018-0110347 2018-09-14
KR1020180110347A KR102229458B1 (ko) 2017-09-29 2018-09-14 리튬-황 이차전지의 양극 제조용 바인더 및 이를 사용한 양극의 제조방법

Publications (2)

Publication Number Publication Date
WO2019066352A2 WO2019066352A2 (ko) 2019-04-04
WO2019066352A3 true WO2019066352A3 (ko) 2019-05-16

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PCT/KR2018/010974 WO2019066352A2 (ko) 2017-09-29 2018-09-18 리튬-황 이차전지의 양극 제조용 바인더 및 이를 사용한 양극의 제조방법

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Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR102183660B1 (ko) 2017-07-26 2020-11-26 주식회사 엘지화학 리튬-황 이차전지의 양극 제조용 바인더 및 이를 사용한 양극의 제조방법

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103258990A (zh) * 2013-04-24 2013-08-21 中国科学院苏州纳米技术与纳米仿生研究所 锂硫电池正极材料及其制备方法
US20150243996A1 (en) * 2014-02-26 2015-08-27 The Regents Of The University Of California Electrical conductive polymer binder for Si alloy materials
WO2017074551A1 (en) * 2015-10-28 2017-05-04 Sabic Global Technologies, B.V. Binder composition for electrodes of lithium ion batteries
KR20170050078A (ko) * 2015-10-29 2017-05-11 주식회사 엘지화학 리튬-황 이차전지 양극용 아크릴 바인더

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101618428B1 (ko) 2014-02-07 2016-05-09 고려대학교 산학협력단 리튬-황 이차전지용 전극 구조물의 제조 방법
KR20170127682A (ko) 2016-05-12 2017-11-22 사단법인 도시생명네트워크 소방 훈련용 건조물
KR101953013B1 (ko) 2017-03-29 2019-02-27 김재현 교좌장치의 변위 보정장치

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103258990A (zh) * 2013-04-24 2013-08-21 中国科学院苏州纳米技术与纳米仿生研究所 锂硫电池正极材料及其制备方法
US20150243996A1 (en) * 2014-02-26 2015-08-27 The Regents Of The University Of California Electrical conductive polymer binder for Si alloy materials
WO2017074551A1 (en) * 2015-10-28 2017-05-04 Sabic Global Technologies, B.V. Binder composition for electrodes of lithium ion batteries
KR20170050078A (ko) * 2015-10-29 2017-05-11 주식회사 엘지화학 리튬-황 이차전지 양극용 아크릴 바인더

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
LI, JUN-TAO: "Water soluble binder, an electrochemical performance booster for electrode materials with high energy density", ADVANCED ENERGY MATERIALS, vol. 7, no. 24, 31 July 2017 (2017-07-31), pages 1 - 30, XP055682831 *

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