EP4732356A1 - Électrode de batterie et son procédé de fabrication - Google Patents

Électrode de batterie et son procédé de fabrication

Info

Publication number
EP4732356A1
EP4732356A1 EP24737362.4A EP24737362A EP4732356A1 EP 4732356 A1 EP4732356 A1 EP 4732356A1 EP 24737362 A EP24737362 A EP 24737362A EP 4732356 A1 EP4732356 A1 EP 4732356A1
Authority
EP
European Patent Office
Prior art keywords
polymer
monomer
electrode
vdf
binder
Prior art date
Legal status (The legal status 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 status listed.)
Pending
Application number
EP24737362.4A
Other languages
German (de)
English (en)
Inventor
Stefano Mauri
Anne-Charlotte LE GULLUCHE
Maurizio Biso
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Syensqo Specialty Polymers Italy SpA
Original Assignee
Syensqo Specialty Polymers Italy SpA
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 Syensqo Specialty Polymers Italy SpA filed Critical Syensqo Specialty Polymers Italy SpA
Publication of EP4732356A1 publication Critical patent/EP4732356A1/fr
Pending legal-status Critical Current

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
    • H01M4/62—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
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L27/00—Compositions of 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 a halogen; Compositions of derivatives of such polymers
    • C08L27/02—Compositions of 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 a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L27/12—Compositions of 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 a halogen; Compositions of derivatives of such polymers not modified by chemical after-treatment containing fluorine atoms
    • C08L27/18—Homopolymers or copolymers or tetrafluoroethene
    • 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
    • H01M4/04—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
    • H01M4/13—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
    • 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
    • C08F114/00—Homopolymers 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 a halogen
    • C08F114/18—Monomers containing fluorine
    • C08F114/26—Tetrafluoroethene
    • 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
    • C08F214/00—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 a halogen
    • C08F214/18—Monomers containing fluorine
    • C08F214/22—Vinylidene fluoride
    • C08F214/225—Vinylidene fluoride with non-fluorinated comonomers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
    • C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00—Polymer mixtures characterised by other features
    • C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
    • 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)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Medicinal Chemistry (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Battery Electrode And Active Subsutance (AREA)

Abstract

La présente invention concerne une composition d'électrode comprenant du PTFE et une composition de résine fluorée réticulable, un procédé pour sa préparation et son utilisation pour la fabrication de composants de cellule électrochimique.
EP24737362.4A 2023-06-26 2024-06-24 Électrode de batterie et son procédé de fabrication Pending EP4732356A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP23181469 2023-06-26
PCT/EP2024/067579 WO2025003022A1 (fr) 2023-06-26 2024-06-24 Électrode de batterie et son procédé de fabrication

Publications (1)

Publication Number Publication Date
EP4732356A1 true EP4732356A1 (fr) 2026-04-29

Family

ID=87047842

Family Applications (1)

Application Number Title Priority Date Filing Date
EP24737362.4A Pending EP4732356A1 (fr) 2023-06-26 2024-06-24 Électrode de batterie et son procédé de fabrication

Country Status (4)

Country Link
EP (1) EP4732356A1 (fr)
KR (1) KR20260028701A (fr)
CN (1) CN121420383A (fr)
WO (1) WO2025003022A1 (fr)

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4016345A (en) 1972-12-22 1977-04-05 E. I. Du Pont De Nemours And Company Process for polymerizing tetrafluoroethylene in aqueous dispersion
US4725644A (en) 1986-05-06 1988-02-16 E. I. Du Pont De Nemours And Company Tetrafluoroethylene fine powder and preparation thereof
IT1318633B1 (it) 2000-07-20 2003-08-27 Ausimont Spa Polveri fini di politetrafluoroetilene.
ITMI20011613A1 (it) 2001-07-26 2003-01-26 Ausimont Spa Processo di coagulazione di polveri fini di ptfe
ITMI20011615A1 (it) 2001-07-26 2003-01-26 Ausimont Spa Processo di ottenimento di p0lveri fini non termoprocessabili di ptfeomopolimero o ptfe modificato
TWI437009B (zh) 2007-04-24 2014-05-11 Solvay Solexis Spa １，１－二氟乙烯共聚物類
WO2019059724A2 (fr) 2017-09-25 2019-03-28 주식회사 엘지화학 Procédé de fabrication d'électrode pour batterie secondaire et électrode ainsi fabriquée
EP4010935A1 (fr) * 2019-08-07 2022-06-15 Solvay Specialty Polymers Italy S.p.A. Composition pour électrodes de batteries secondaires
JP7688015B2 (ja) 2019-08-07 2025-06-03 ソルベイ スペシャルティ ポリマーズ イタリー エス．ピー．エー． 二次電池電極用の組成物
CN117529823A (zh) * 2021-04-19 2024-02-06 索尔维特殊聚合物意大利有限公司 用于锂电池电极的组合物
CA3219690A1 (fr) * 2021-06-10 2022-12-15 Julio A. Abusleme Liants a haute performance pour electrodes de batterie au lithium
JP2024543269A (ja) * 2021-11-29 2024-11-20 ソルベイ スペシャルティ ポリマーズ イタリー エス．ピー．エー． 電池電極及びその作製方法

Also Published As

Publication number Publication date
CN121420383A (zh) 2026-01-27
WO2025003022A1 (fr) 2025-01-02
KR20260028701A (ko) 2026-03-04

Similar Documents

Publication Publication Date Title
CN107408668B (zh) 具有改善的传导性的Li离子电池的电极
KR102888544B1 (ko) 2차 배터리 전극용 조성물
US20240222635A1 (en) Fluoropolymer binder
JP7734309B2 (ja) 二次電池
EP4441813B1 (fr) Électrode de batterie et son procédé de fabrication
JP7447022B2 (ja) 電極形成組成物
JP2024516671A (ja) 電気化学デバイスのバインダーとしてのフルオロポリマーと官能性アクリルポリマーのブレンド
US12512453B2 (en) Composition for secondary battery electrodes
KR102927248B1 (ko) 2차 배터리 전극용 조성물
CN115702173B (zh) 用于锂离子蓄电装置的电极粘合剂组合物
EP4441805B1 (fr) Fluoropolymères à base de tfe ayant des propriétés exceptionnelles d'adhésion aux métaux
WO2025003022A1 (fr) Électrode de batterie et son procédé de fabrication
WO2025003021A1 (fr) Électrode de batterie et son procédé de fabrication
KR20200090820A (ko) 흑연/규소 애노드용 pvdf 결합제
WO2026022129A1 (fr) Liants d'électrode de batteries au lithium
WO2025026907A1 (fr) Liants pour électrode de batterie au lithium
KR20230149672A (ko) 도전재-불소계 고무 복합체, 상기 복합체를 포함하는 전극용 혼합 분체, 상기 전극용 혼합 분체를 제조하는 방법 및 상기 전극용 혼합 분체를 포함하는 전기화학소자용 전극
KR20230174234A (ko) 부분적으로 플루오린화된 중합체의 제조 방법

Legal Events

Date Code Title Description
STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: UNKNOWN

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: THE INTERNATIONAL PUBLICATION HAS BEEN MADE

PUAI Public reference made under article 153(3) epc to a published international application that has entered the european phase

Free format text: ORIGINAL CODE: 0009012

STAA Information on the status of an ep patent application or granted ep patent

Free format text: STATUS: REQUEST FOR EXAMINATION WAS MADE

17P Request for examination filed

Effective date: 20260126

AK Designated contracting states

Kind code of ref document: A1

Designated state(s): AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC ME MK MT NL NO PL PT RO RS SE SI SK SM TR