FR3148439B1 - Composition d’une couche primaire de cathode - Google Patents

Composition d’une couche primaire de cathode

Info

Publication number
FR3148439B1
FR3148439B1 FR2304466A FR2304466A FR3148439B1 FR 3148439 B1 FR3148439 B1 FR 3148439B1 FR 2304466 A FR2304466 A FR 2304466A FR 2304466 A FR2304466 A FR 2304466A FR 3148439 B1 FR3148439 B1 FR 3148439B1
Authority
FR
France
Prior art keywords
composition
cathode layer
primary cathode
cathode
relates
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.)
Active
Application number
FR2304466A
Other languages
English (en)
Other versions
FR3148439A1 (fr
Inventor
Benoît Magny
Guillaume Michaud
Gaël Robin
Jean-Marc Suau
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.)
Coatex SAS
Original Assignee
Coatex SAS
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 Coatex SAS filed Critical Coatex SAS
Priority to FR2304466A priority Critical patent/FR3148439B1/fr
Priority to PCT/FR2024/000051 priority patent/WO2024227981A1/fr
Priority to KR1020257035979A priority patent/KR20260005890A/ko
Priority to CN202480029755.6A priority patent/CN121039820A/zh
Priority to EP24728665.1A priority patent/EP4706112A1/fr
Publication of FR3148439A1 publication Critical patent/FR3148439A1/fr
Application granted granted Critical
Publication of FR3148439B1 publication Critical patent/FR3148439B1/fr
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • H01M4/64—Carriers or collectors
    • H01M4/66—Selection of materials
    • H01M4/665—Composites
    • H01M4/667—Composites in the form of layers, e.g. coatings
    • 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
    • H01M4/043—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
    • H01M4/131—Electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
    • 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
    • H01M4/136—Electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
    • 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
    • H01M4/1391—Processes of manufacture of electrodes based on mixed oxides or hydroxides, or on mixtures of oxides or hydroxides, e.g. LiCoOx
    • 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
    • H01M4/1397—Processes of manufacture of electrodes based on inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy
    • 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
    • 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
    • H01M4/661—Metal or alloys, e.g. alloy coatings
    • 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
    • H01M2004/021—Physical characteristics, e.g. porosity, surface area
    • 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

Landscapes

  • 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)
  • Inorganic Chemistry (AREA)
  • Composite Materials (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Paints Or Removers (AREA)

Abstract

L’invention concerne une composition de préparation de couche primaire de cathode comprenant un agent liant polyacrylique de faible masse moléculaire et des particules de carbone. L’invention concerne également l’utilisation de cette composition pour la préparation d’une cathode ainsi que la cathode utilisable pour la fabrication de cellules pour batterie secondaire.
FR2304466A 2023-05-04 2023-05-04 Composition d’une couche primaire de cathode Active FR3148439B1 (fr)

Priority Applications (5)

Application Number Priority Date Filing Date Title
FR2304466A FR3148439B1 (fr) 2023-05-04 2023-05-04 Composition d’une couche primaire de cathode
PCT/FR2024/000051 WO2024227981A1 (fr) 2023-05-04 2024-04-16 Composition de préparation d'une couche primaire de cathode
KR1020257035979A KR20260005890A (ko) 2023-05-04 2024-04-16 캐소드 프라이밍 코팅의 제조용 조성물
CN202480029755.6A CN121039820A (zh) 2023-05-04 2024-04-16 用于制备正极底涂层的组合物
EP24728665.1A EP4706112A1 (fr) 2023-05-04 2024-04-16 Composition de préparation d'une couche primaire de cathode

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2304466 2023-05-04
FR2304466A FR3148439B1 (fr) 2023-05-04 2023-05-04 Composition d’une couche primaire de cathode

Publications (2)

Publication Number Publication Date
FR3148439A1 FR3148439A1 (fr) 2024-11-08
FR3148439B1 true FR3148439B1 (fr) 2026-02-13

Family

ID=88290734

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2304466A Active FR3148439B1 (fr) 2023-05-04 2023-05-04 Composition d’une couche primaire de cathode

Country Status (5)

Country Link
EP (1) EP4706112A1 (fr)
KR (1) KR20260005890A (fr)
CN (1) CN121039820A (fr)
FR (1) FR3148439B1 (fr)
WO (1) WO2024227981A1 (fr)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101227152B1 (ko) * 2010-04-02 2013-01-28 롯데알미늄 주식회사 전극의 도전성 접착층 형성용 조성물, 이를 사용한 전극의 제조 방법 및 전극
CN106876716A (zh) * 2017-03-14 2017-06-20 中国人民解放军63971部队 一种金属/碳复合集流体材料及其制备方法
CN115881966B (zh) * 2022-12-14 2025-09-16 江阴纳力新材料科技有限公司 导电粘结剂及其制备方法、集流体、电极和电池
CN115911388B (zh) * 2022-12-16 2026-02-17 江阴纳力新材料科技有限公司 粘结剂、涂碳浆料、涂碳集流体及其制备方法以及电极和电池

Also Published As

Publication number Publication date
EP4706112A1 (fr) 2026-03-11
KR20260005890A (ko) 2026-01-12
FR3148439A1 (fr) 2024-11-08
WO2024227981A1 (fr) 2024-11-07
CN121039820A (zh) 2025-11-28

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