FR3143868B1 - Electrodes negatives a base de silicium et d’additif fluore - Google Patents

Electrodes negatives a base de silicium et d’additif fluore

Info

Publication number
FR3143868B1
FR3143868B1 FR2213660A FR2213660A FR3143868B1 FR 3143868 B1 FR3143868 B1 FR 3143868B1 FR 2213660 A FR2213660 A FR 2213660A FR 2213660 A FR2213660 A FR 2213660A FR 3143868 B1 FR3143868 B1 FR 3143868B1
Authority
FR
France
Prior art keywords
silicon
negative electrodes
electrodes based
fluorine additive
additive
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
FR2213660A
Other languages
English (en)
French (fr)
Other versions
FR3143868A1 (fr
Inventor
De Boisse Benoît Mortemard
Élodie Guérin
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.)
SAFT Societe des Accumulateurs Fixes et de Traction SA
Automotive Cells Company SE
Original Assignee
SAFT Societe des Accumulateurs Fixes et de Traction SA
Automotive Cells Company SE
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 SAFT Societe des Accumulateurs Fixes et de Traction SA, Automotive Cells Company SE filed Critical SAFT Societe des Accumulateurs Fixes et de Traction SA
Priority to FR2213660A priority Critical patent/FR3143868B1/fr
Priority to PCT/EP2023/086087 priority patent/WO2024126799A1/fr
Priority to EP23833694.5A priority patent/EP4635007A1/de
Publication of FR3143868A1 publication Critical patent/FR3143868A1/fr
Application granted granted Critical
Publication of FR3143868B1 publication Critical patent/FR3143868B1/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
    • H01M4/13—Electrodes for accumulators with non-aqueous electrolyte, e.g. for lithium-accumulators; Processes of manufacture thereof
    • H01M4/134—Electrodes based on metals, Si 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
    • H01M4/13—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
    • 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
    • H01M2004/026—Electrodes composed of, or comprising, active material characterised by the polarity
    • H01M2004/028—Positive electrodes
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Electric Double-Layer Capacitors Or The Like (AREA)
FR2213660A 2022-12-16 2022-12-16 Electrodes negatives a base de silicium et d’additif fluore Active FR3143868B1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
FR2213660A FR3143868B1 (fr) 2022-12-16 2022-12-16 Electrodes negatives a base de silicium et d’additif fluore
PCT/EP2023/086087 WO2024126799A1 (fr) 2022-12-16 2023-12-15 Électrodes négatives à base de silicium et d'additif fluoré
EP23833694.5A EP4635007A1 (de) 2022-12-16 2023-12-15 Negative elektroden auf der basis von silizium und fluoriertem additiv

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR2213660A FR3143868B1 (fr) 2022-12-16 2022-12-16 Electrodes negatives a base de silicium et d’additif fluore
FR2213660 2022-12-16

Publications (2)

Publication Number Publication Date
FR3143868A1 FR3143868A1 (fr) 2024-06-21
FR3143868B1 true FR3143868B1 (fr) 2025-10-10

Family

ID=86469135

Family Applications (1)

Application Number Title Priority Date Filing Date
FR2213660A Active FR3143868B1 (fr) 2022-12-16 2022-12-16 Electrodes negatives a base de silicium et d’additif fluore

Country Status (3)

Country Link
EP (1) EP4635007A1 (de)
FR (1) FR3143868B1 (de)
WO (1) WO2024126799A1 (de)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN118867251B (zh) * 2024-09-23 2025-03-14 浙江晶科储能有限公司 负极活性层、双负极活性层、负极极片及锂离子电池

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101049829B1 (ko) * 2009-10-28 2011-07-15 삼성에스디아이 주식회사 리튬 이차 전지용 음극 활물질 및 이를 포함하는 리튬 이차 전지
JP5861437B2 (ja) * 2011-12-15 2016-02-16 三洋電機株式会社 非水電解質二次電池用負極及びその製造方法
JP6465630B2 (ja) * 2014-11-28 2019-02-06 積水化学工業株式会社 二次電池および二次電池の製造方法
PL3471177T3 (pl) 2016-12-23 2021-10-04 Lg Chem, Ltd. Materiał czynny elektrody ujemnej i zawierająca go elektroda ujemna
KR102227309B1 (ko) 2017-06-02 2021-03-15 주식회사 엘지화학 음극 활물질, 상기 음극 활물질을 포함하는 음극, 및 상기 음극을 포함하는 이차 전지
KR102512804B1 (ko) * 2020-11-16 2023-03-24 대주전자재료 주식회사 다공성 규소-탄소 복합체, 이의 제조방법 및 이를 포함하는 음극 활물질
TWI854491B (zh) * 2022-02-17 2024-09-01 南韓商大洲電子材料股份有限公司 矽碳混合物、其製備方法以及包含其之負極活性材料與鋰二次電池
US20250233131A1 (en) * 2022-03-23 2025-07-17 Daejoo Electronic Materials Co., Ltd. Silicon-carbon composite, preparation method therefor, and anode active material and lithium secondary battery comprising same

Also Published As

Publication number Publication date
EP4635007A1 (de) 2025-10-22
WO2024126799A1 (fr) 2024-06-20
FR3143868A1 (fr) 2024-06-21

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