PL3565041T3 - Kompozycja spoiwa do baterii wtórnej, kompozycja zawiesiny elektrodowej ją zawierająca oraz elektroda i bateria wtórna - Google Patents

Kompozycja spoiwa do baterii wtórnej, kompozycja zawiesiny elektrodowej ją zawierająca oraz elektroda i bateria wtórna

Info

Publication number
PL3565041T3
PL3565041T3 PL18887225.3T PL18887225T PL3565041T3 PL 3565041 T3 PL3565041 T3 PL 3565041T3 PL 18887225 T PL18887225 T PL 18887225T PL 3565041 T3 PL3565041 T3 PL 3565041T3
Authority
PL
Poland
Prior art keywords
secondary battery
electrode
same
composition
binder composition
Prior art date
Application number
PL18887225.3T
Other languages
English (en)
Inventor
Hye Soo Han
Seon Hee Han
Min Ah Kang
Cheol Hoon Choi
Dong Jo Ryu
Original Assignee
Lg Chem, Ltd.
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
Application filed by Lg Chem, Ltd. filed Critical Lg Chem, Ltd.
Publication of PL3565041T3 publication Critical patent/PL3565041T3/pl

Links

Classifications

    • 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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F212/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring
    • C08F212/02—Monomers containing only one unsaturated aliphatic radical
    • C08F212/04—Monomers containing only one unsaturated aliphatic radical containing one ring
    • C08F212/06—Hydrocarbons
    • C08F212/08—Styrene
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F236/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds
    • C08F236/02—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds
    • C08F236/04—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated
    • C08F236/10—Copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated with vinyl-aromatic monomers
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D109/00—Coating compositions based on homopolymers or copolymers of conjugated diene hydrocarbons
    • C09D109/06—Copolymers with styrene
    • C09D109/08—Latex
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D125/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring; Coating compositions based on derivatives of such polymers
    • C09D125/02—Homopolymers or copolymers of hydrocarbons
    • C09D125/04—Homopolymers or copolymers of styrene
    • C09D125/08—Copolymers of styrene
    • C09D125/10—Copolymers of styrene with conjugated dienes
    • 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
    • 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
    • H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
    • H01M4/621—Binders
    • H01M4/622—Binders being polymers
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • General Chemical & Material Sciences (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Wood Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
PL18887225.3T 2018-01-04 2018-11-29 Kompozycja spoiwa do baterii wtórnej, kompozycja zawiesiny elektrodowej ją zawierająca oraz elektroda i bateria wtórna PL3565041T3 (pl)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
KR20180001126 2018-01-04
KR1020180150034A KR101970648B1 (ko) 2018-01-04 2018-11-28 이차 전지용 바인더 조성물, 이를 포함하는 전극 슬러리 조성물, 전극 및 이차 전지
PCT/KR2018/014956 WO2019135496A1 (ko) 2018-01-04 2018-11-29 이차 전지용 바인더 조성물, 이를 포함하는 전극 슬러리 조성물, 전극 및 이차 전지

Publications (1)

Publication Number Publication Date
PL3565041T3 true PL3565041T3 (pl) 2024-09-23

Family

ID=66283073

Family Applications (1)

Application Number Title Priority Date Filing Date
PL18887225.3T PL3565041T3 (pl) 2018-01-04 2018-11-29 Kompozycja spoiwa do baterii wtórnej, kompozycja zawiesiny elektrodowej ją zawierająca oraz elektroda i bateria wtórna

Country Status (8)

Country Link
US (1) US11817582B2 (pl)
EP (1) EP3565041B1 (pl)
JP (1) JP7015611B2 (pl)
KR (1) KR101970648B1 (pl)
CN (1) CN110226253B (pl)
HU (1) HUE067118T2 (pl)
PL (1) PL3565041T3 (pl)
WO (1) WO2019135496A1 (pl)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112640161B (zh) * 2018-09-28 2024-07-19 富士胶片株式会社 电极用组合物、全固态二次电池用电极片、全固态二次电池以及后两者的制造方法
US20230080302A1 (en) * 2020-01-30 2023-03-16 Lg Chem, Ltd. Negative Electrode Binder Composition, Negative Electrode and Lithium Secondary Battery Including the Same
CN115336032A (zh) 2020-04-13 2022-11-11 株式会社Lg新能源 电极质量评估方法以及电极制造方法
EP4080619B1 (en) 2020-09-21 2024-10-30 Lg Chem, Ltd. Binder for anode of secondary battery, anode of secondary battery and secondary battery
EP4253436A4 (en) * 2020-11-30 2025-03-19 Zeon Corporation Binder composition for electrode of an anhydrous secondary battery, sludge composition for electrode of an anhydrous secondary battery, electrode of an anhydrous secondary battery and anhydrous secondary battery
WO2023008100A1 (ja) * 2021-07-27 2023-02-02 日本ゼオン株式会社 非水系二次電池負極用バインダー組成物、非水系二次電池負極用スラリー組成物、非水系二次電池用負極、及び非水系二次電池
EP4379869A4 (en) * 2021-07-30 2025-07-23 Zeon Corp BINDER COMPOSITION FOR NONAQUEOUS SECONDARY BATTERY ELECTRODES, SLURRY COMPOSITION FOR NONAQUEOUS SECONDARY BATTERY ELECTRODES, ELECTRODE FOR NONAQUEOUS SECONDARY BATTERIES, AND NONAQUEOUS SECONDARY BATTERY
WO2023195744A1 (ko) * 2022-04-04 2023-10-12 주식회사 엘지화학 리튬이차전지용 양극 바인더 또는 양극 절연액의 제조방법 및 이에 따라 제조한 양극 바인더 또는 양극 절연액을 포함하는 리튬이차전지
KR20240103642A (ko) 2022-12-27 2024-07-04 주식회사 엘지에너지솔루션 전고체 전지용 바인더, 전고체 전지용 양극 및 이를 포함하는 전고체 전지
WO2024166940A1 (ja) * 2023-02-09 2024-08-15 株式会社Eneosマテリアル 蓄電デバイス用バインダー組成物、蓄電デバイス電極用スラリー、蓄電デバイス電極、及び蓄電デバイス
KR20250090188A (ko) 2023-12-12 2025-06-19 주식회사 엘지에너지솔루션 전고체 전지용 바인더, 바인더 조성물, 전고체 전지용 양극 및 이를 포함하는 전고체 전지

Family Cites Families (28)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL294225A (pl) * 1962-06-19 1900-01-01
DE69306219T2 (de) * 1992-04-28 1997-03-20 Sumitomo Dow Ltd., Osaka Verfahren zur herstellung von polymerlatex
JP3082564B2 (ja) * 1994-03-09 2000-08-28 日本ゼオン株式会社 紙塗工用ラテックス及び紙塗工組成物
JPH09199135A (ja) 1996-01-22 1997-07-31 Nippon Zeon Co Ltd 電池用バインダー組成物、電極、および電池
JP4336927B2 (ja) 1999-01-28 2009-09-30 日本ゼオン株式会社 リチウムイオン二次電池電極用バインダー組成物およびその利用
JP5347216B2 (ja) * 2006-09-29 2013-11-20 Jsr株式会社 共重合体ラテックス及びその製造方法
JP2010146870A (ja) 2008-12-19 2010-07-01 Nippon A&L Inc 二次電池電極用バインダー
JP5547507B2 (ja) 2009-02-03 2014-07-16 日本エイアンドエル株式会社 非水電解液二次電池電極用バインダー。
TW201043672A (en) * 2009-03-30 2010-12-16 Jsr Corp Composition for electrochemical-device electrode binder, electrode slurry for electrochemical device, and electrode for electrochemical device
JPWO2011024789A1 (ja) 2009-08-24 2013-01-31 Jsr株式会社 電極形成用組成物、電極形成用スラリー、電極および電気化学デバイス
JP5476980B2 (ja) 2009-12-25 2014-04-23 東洋インキScホールディングス株式会社 非水系二次電池電極用バインダー組成物
US9090728B2 (en) * 2009-12-25 2015-07-28 Nippon A & L Inc. Binder for secondary battery electrodes
JP5462016B2 (ja) * 2010-02-08 2014-04-02 日本エイアンドエル株式会社 二次電池耐熱保護層用バインダーおよび耐熱保護層用組成物
JP5949547B2 (ja) * 2010-06-29 2016-07-06 日本ゼオン株式会社 二次電池負極用水系バインダー組成物
WO2012011696A2 (ko) 2010-07-22 2012-01-26 주식회사 엘지화학 접착력이 우수한 이차전지용 바인더
WO2012029839A1 (ja) 2010-09-01 2012-03-08 日本ゼオン株式会社 二次電池正極用水系バインダー組成物、二次電池正極用スラリー組成物、二次電池正極及び二次電池
KR101326070B1 (ko) * 2010-10-15 2013-11-07 주식회사 엘지화학 접착력 및 인장강도가 우수한 이차전지용 바인더
KR101991924B1 (ko) * 2011-11-29 2019-06-21 제온 코포레이션 리튬 이온 2 차 전지용 전극, 리튬 이온 2 차 전지 및 슬러리 조성물, 그리고 리튬 이온 2 차 전지용 전극의 제조 방법
CN104981927B (zh) 2013-05-23 2018-06-08 Lg化学株式会社 用于二次电池的粘合剂以及包含该粘合剂的二次电池
CN105393388B (zh) * 2013-07-24 2018-01-30 日本A&L株式会社 电极用粘结剂、电极用组合物以及电极片
PL3007257T3 (pl) 2013-08-19 2019-06-28 Lg Chem, Ltd. Kompozycja wiążąca do baterii akumulatorowej, elektroda z zastosowaniem tej kompozycji i litowa bateria akumulatorowa
WO2015098008A1 (ja) * 2013-12-26 2015-07-02 日本ゼオン株式会社 リチウムイオン二次電池負極用バインダー組成物、リチウムイオン二次電池負極用スラリー組成物、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
KR20160084053A (ko) * 2015-01-05 2016-07-13 주식회사 엘지화학 리튬 이차전지용 바인더 및 이를 포함하는 리튬 이차전지
KR101953765B1 (ko) * 2015-06-17 2019-06-12 주식회사 엘지화학 이차전지용 바인더 조성물, 이를 사용한 전극 및 리튬 이차전지
US10862126B2 (en) 2015-12-24 2020-12-08 Lg Chem, Ltd. Binder composition for secondary battery, and electrode for secondary battery and lithium secondary battery comprising the same
KR102064312B1 (ko) 2015-12-24 2020-01-09 주식회사 엘지화학 이차전지용 바인더 조성물, 이를 사용한 전극 및 리튬 이차전지
US20190273261A1 (en) 2015-12-24 2019-09-05 Zeon Corporation Binder composition for non-aqueous secondary battery electrode, slurry composition for non-aqueous secondary battery electrode, electrode for non-aqueous secondary battery, and non-aqueous secondary battery
EP3419089B1 (en) 2016-02-17 2024-09-04 Zeon Corporation Binder composition for non-aqueous secondary battery electrode, slurry composition for non-aqueous secondary battery electrode, electrode for non-aqueous secondary battery, and non-aqueous secondary battery

Also Published As

Publication number Publication date
JP2020516021A (ja) 2020-05-28
EP3565041A4 (en) 2020-01-15
KR101970648B1 (ko) 2019-04-22
CN110226253A (zh) 2019-09-10
US20200194792A1 (en) 2020-06-18
US11817582B2 (en) 2023-11-14
EP3565041B1 (en) 2024-06-05
WO2019135496A1 (ko) 2019-07-11
CN110226253B (zh) 2022-11-11
HUE067118T2 (hu) 2024-10-28
EP3565041A1 (en) 2019-11-06
JP7015611B2 (ja) 2022-02-03

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