WO2019088809A3 - 리튬 이차전지용 음극 슬러리 조성물, 및 이의 제조방법 - Google Patents

리튬 이차전지용 음극 슬러리 조성물, 및 이의 제조방법 Download PDF

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Publication number
WO2019088809A3
WO2019088809A3 PCT/KR2018/013414 KR2018013414W WO2019088809A3 WO 2019088809 A3 WO2019088809 A3 WO 2019088809A3 KR 2018013414 W KR2018013414 W KR 2018013414W WO 2019088809 A3 WO2019088809 A3 WO 2019088809A3
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WIPO (PCT)
Prior art keywords
negative electrode
slurry composition
electrode slurry
secondary battery
lithium secondary
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PCT/KR2018/013414
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English (en)
French (fr)
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WO2019088809A2 (ko
Inventor
이종원
유흥식
최현
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주식회사 엘지화학
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Application filed by 주식회사 엘지화학 filed Critical 주식회사 엘지화학
Priority to CN201880071205.5A priority Critical patent/CN111316475B/zh
Priority to US16/761,639 priority patent/US11735714B2/en
Priority to EP18873570.8A priority patent/EP3690991A4/en
Publication of WO2019088809A2 publication Critical patent/WO2019088809A2/ko
Publication of WO2019088809A3 publication Critical patent/WO2019088809A3/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
    • H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • H01M4/133—Electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
    • 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
    • H01M4/13—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
    • H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • H01M4/139—Processes of manufacture
    • H01M4/1393—Processes of manufacture of electrodes based on carbonaceous material, e.g. graphite-intercalation compounds or CFx
    • 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
    • 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
    • H01M4/624—Electric conductive fillers
    • H01M4/625—Carbon or graphite
    • 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
    • H01M4/664—Ceramic materials
    • 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

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Ceramic Engineering (AREA)
  • Battery Electrode And Active Subsutance (AREA)

Abstract

본 발명은 (1) 판상 구조이며 10 nm 내지 2 ㎛의 평균지름(D50)을 가지는 클레이(clay), (2) 카르복시메틸셀룰로오스(CMC), (3) 음극 활물질, 및 (4) 수계 용매를 포함하고, 상기 카르복시메틸셀룰로오스와 클레이의 중량비는 9.5:0.5 내지 4:6인, 음극 슬러리 조성물에 관한 것으로, 고형분 함량이 높은 음극 슬러리 조성물에서의 저장 안정성 및 고형분의 분산성 저하로 인한 문제점이 해결된 음극 슬러리 조성물에 관한 것이다.
PCT/KR2018/013414 2017-11-06 2018-11-06 리튬 이차전지용 음극 슬러리 조성물, 및 이의 제조방법 WO2019088809A2 (ko)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201880071205.5A CN111316475B (zh) 2017-11-06 2018-11-06 锂二次电池用负极浆料组合物和其制造方法
US16/761,639 US11735714B2 (en) 2017-11-06 2018-11-06 Negative electrode slurry composition for lithium secondary battery, and method for preparing the same
EP18873570.8A EP3690991A4 (en) 2017-11-06 2018-11-06 NEGATIVE ELECTRODE SUSPENSION COMPOSITION FOR RECHARGEABLE LITHIUM BATTERY AND ITS MANUFACTURING PROCESS

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR10-2017-0146895 2017-11-06
KR20170146895 2017-11-06

Publications (2)

Publication Number Publication Date
WO2019088809A2 WO2019088809A2 (ko) 2019-05-09
WO2019088809A3 true WO2019088809A3 (ko) 2019-06-20

Family

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PCT/KR2018/013414 WO2019088809A2 (ko) 2017-11-06 2018-11-06 리튬 이차전지용 음극 슬러리 조성물, 및 이의 제조방법

Country Status (5)

Country Link
US (1) US11735714B2 (ko)
EP (1) EP3690991A4 (ko)
KR (1) KR102227312B1 (ko)
CN (1) CN111316475B (ko)
WO (1) WO2019088809A2 (ko)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP7155085B2 (ja) * 2019-09-13 2022-10-18 株式会社東芝 電極、二次電池、電池パック及び車両
CN111987292B (zh) * 2020-08-14 2022-07-08 湖南格瑞普新能源有限公司 一种添加短纤维的镍氢电池湿法负极工艺
CN112198092A (zh) * 2020-08-24 2021-01-08 浙江南都电源动力股份有限公司 测试电池浆料稳定性的方法
JP7167119B2 (ja) * 2020-12-14 2022-11-08 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 非水電解質二次電池用負極板
WO2022205109A1 (zh) * 2021-03-31 2022-10-06 宁德新能源科技有限公司 电化学装置和电子装置
KR102636773B1 (ko) * 2023-09-25 2024-02-15 주식회사 신아티앤씨 이차전지용 도전재 분산액 및 이를 포함하는 이차전지 전극용 슬러리 조성물
KR102636775B1 (ko) * 2023-10-19 2024-02-15 주식회사 신아티앤씨 이차전지용 도전재 분산액 및 이를 포함하는 이차전지 전극용 슬러리 조성물

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020177043A1 (en) * 2001-05-24 2002-11-28 Ernest Ndzebet Ionically conductive additive for zinc-based anode in alkaline electrochemical cells
KR20080023373A (ko) * 2006-09-11 2008-03-14 주식회사 엘지화학 점토 광물을 포함하고 있는 전극 합제 및 이를 사용한전기화학 셀
KR20130005876A (ko) * 2011-07-07 2013-01-16 삼성에스디아이 주식회사 리튬 이차전지용 전극, 그 제조방법 및 이를 채용한 리튬 이차전지
KR20170055359A (ko) * 2015-11-11 2017-05-19 주식회사 엘지화학 분산성 향상 및 저항 감소를 위한 이차전지용 음극 슬러리 및 이를 포함하는 음극

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10106542A (ja) 1996-09-24 1998-04-24 Sanyo Electric Co Ltd リチウム二次電池
US20040229116A1 (en) 2002-05-24 2004-11-18 Malinski James Andrew Perforated separator for an electrochemical cell
US7563537B2 (en) * 2005-11-30 2009-07-21 Rovcal, Inc. Ionically conductive clay additive for use in electrochemical cells
WO2012014852A1 (ja) 2010-07-26 2012-02-02 株式会社アルバック 活物質－電解質複合体及びその作製方法、並びに全固体型リチウム－硫黄二次電池
KR101801049B1 (ko) * 2010-08-31 2017-11-24 제온 코포레이션 전지 다공막용 슬러리 조성물, 이차 전지용 다공막의 제조 방법, 이차 전지용 다공막, 이차 전지용 전극, 이차 전지용 세퍼레이터 및 이차 전지
KR20130029265A (ko) 2011-09-14 2013-03-22 삼성전기주식회사 전극 활물질 슬러리의 제조 방법 및 상기 전극 활물질을 이용한 전극을 포함하는 전기 화학 캐패시터
JP5761008B2 (ja) 2011-12-26 2015-08-12 住友ベークライト株式会社 負極用合剤、リチウムイオン二次電池用負極、およびリチウムイオン二次電池
WO2014200063A1 (ja) * 2013-06-12 2014-12-18 日立化成株式会社 アルミニウムケイ酸塩複合体、導電材料、リチウムイオン二次電池用導電材料、リチウムイオン二次電池負極形成用組成物、リチウムイオン二次電池正極形成用組成物、リチウムイオン二次電池用負極、リチウムイオン二次電池用正極及びリチウムイオン二次電池
KR101776989B1 (ko) * 2014-10-02 2017-09-19 주식회사 엘지화학 음극 슬러리 조성물 및 이의 제조방법
KR101765370B1 (ko) * 2014-10-02 2017-08-07 주식회사 엘지화학 음극 슬러리 조성물 및 이의 제조방법

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20020177043A1 (en) * 2001-05-24 2002-11-28 Ernest Ndzebet Ionically conductive additive for zinc-based anode in alkaline electrochemical cells
KR20080023373A (ko) * 2006-09-11 2008-03-14 주식회사 엘지화학 점토 광물을 포함하고 있는 전극 합제 및 이를 사용한전기화학 셀
KR20130005876A (ko) * 2011-07-07 2013-01-16 삼성에스디아이 주식회사 리튬 이차전지용 전극, 그 제조방법 및 이를 채용한 리튬 이차전지
KR20170055359A (ko) * 2015-11-11 2017-05-19 주식회사 엘지화학 분산성 향상 및 저항 감소를 위한 이차전지용 음극 슬러리 및 이를 포함하는 음극

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
BYK - ALTANA: "BYK Additives for electrodes of Li-Ion Batteries", BYK ADDITIVES & INSTRUMENTS, 20 September 2017 (2017-09-20), XP055618836, Retrieved from the Internet <URL:https://www.byk.com/en/additives/applications/batteries/additives-for-electrodes-of-li-ion-batteries.html> *
VON HAGEN, ROBIN ET AL.: "LAPONITE as an additive in lithium-ion battery electrodes", 20 September 2017 (2017-09-20), pages 1 - 13, XP055618828, Retrieved from the Internet <URL:https://www.byk.com/fileadmin/byk/additives/applications/batteries/LAPONITE_as_Additive_in_Electrodes_of_Lithium-Ion_Batteries.pdf> *

Also Published As

Publication number Publication date
US11735714B2 (en) 2023-08-22
EP3690991A4 (en) 2020-11-25
CN111316475B (zh) 2023-08-11
KR20190051870A (ko) 2019-05-15
KR102227312B1 (ko) 2021-03-15
EP3690991A2 (en) 2020-08-05
WO2019088809A2 (ko) 2019-05-09
CN111316475A (zh) 2020-06-19
US20200259162A1 (en) 2020-08-13

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