SE548191C2 - Electrolyte additive for natural graphite anode - Google Patents

Electrolyte additive for natural graphite anode

Info

Publication number
SE548191C2
SE548191C2 SE2430476A SE2430476A SE548191C2 SE 548191 C2 SE548191 C2 SE 548191C2 SE 2430476 A SE2430476 A SE 2430476A SE 2430476 A SE2430476 A SE 2430476A SE 548191 C2 SE548191 C2 SE 548191C2
Authority
SE
Sweden
Prior art keywords
natural graphite
electrolyte additive
graphite anode
anode
electrolyte
Prior art date
Application number
SE2430476A
Inventor
Chris Cook
Sara Madry
Hess Lars Henning
Original Assignee
Northvolt Ab
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 Northvolt Ab filed Critical Northvolt Ab
Priority to SE2430476A priority Critical patent/SE548191C2/en
Priority to PCT/EP2025/076756 priority patent/WO2026062161A1/en
Publication of SE548191C2 publication Critical patent/SE548191C2/en

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
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/58—Selection of substances as active materials, active masses, active liquids of inorganic compounds other than oxides or hydroxides, e.g. sulfides, selenides, tellurides, halogenides or LiCoFy; of polyanionic structures, e.g. phosphates, silicates or borates
    • H01M4/583—Carbonaceous material, e.g. graphite-intercalation compounds or CFx
    • H01M4/587—Carbonaceous material, e.g. graphite-intercalation compounds or CFx for inserting or intercalating light metals
    • 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
    • H01M10/42—Methods or arrangements for servicing or maintenance of secondary cells or secondary half-cells
    • H01M10/4235—Safety or regulating additives or arrangements in electrodes, separators or electrolyte
    • 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
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/362—Composites
    • H01M4/364—Composites as mixtures
    • 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
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/38—Selection of substances as active materials, active masses, active liquids of elements or alloys
    • H01M4/386—Silicon or alloys based on silicon
    • 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
    • H01M2300/00—Electrolytes
    • H01M2300/0017—Non-aqueous electrolytes
    • H01M2300/0025—Organic electrolyte
    • H01M2300/0028—Organic electrolyte characterised by the solvent
    • H01M2300/0037—Mixture of solvents
    • H01M2300/004—Three solvents
    • 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
    • H01M4/133—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
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • H01M4/483—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides for non-aqueous cells
    • 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)
  • Composite Materials (AREA)
  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Inorganic Chemistry (AREA)
  • Battery Electrode And Active Subsutance (AREA)
SE2430476A 2024-09-19 2024-09-19 Electrolyte additive for natural graphite anode SE548191C2 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
SE2430476A SE548191C2 (en) 2024-09-19 2024-09-19 Electrolyte additive for natural graphite anode
PCT/EP2025/076756 WO2026062161A1 (en) 2024-09-19 2025-09-18 Electrolyte additive for natural graphite anode

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE2430476A SE548191C2 (en) 2024-09-19 2024-09-19 Electrolyte additive for natural graphite anode

Publications (1)

Publication Number Publication Date
SE548191C2 true SE548191C2 (en) 2026-04-15

Family

ID=97215368

Family Applications (1)

Application Number Title Priority Date Filing Date
SE2430476A SE548191C2 (en) 2024-09-19 2024-09-19 Electrolyte additive for natural graphite anode

Country Status (2)

Country Link
SE (1) SE548191C2 (en)
WO (1) WO2026062161A1 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000182666A (en) * 1998-12-18 2000-06-30 Mitsubishi Chemicals Corp Non-aqueous electrolyte secondary battery
US11824160B2 (en) * 2018-03-12 2023-11-21 Tesla, Inc. Battery systems based on two-additive electrolyte systems including 2-furanone, and method of formation process of same

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3633268B2 (en) * 1998-03-20 2005-03-30 宇部興産株式会社 Electrolyte for lithium secondary battery and lithium secondary battery using the same
JP4657403B2 (en) * 1999-07-02 2011-03-23 パナソニック株式会社 Nonaqueous electrolyte secondary battery
JP2005078799A (en) * 2003-08-29 2005-03-24 Sanyo Electric Co Ltd Nonaqueous electrolyte battery
CN100563056C (en) * 2005-06-15 2009-11-25 三菱化学株式会社 Lithium secondary battery

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2000182666A (en) * 1998-12-18 2000-06-30 Mitsubishi Chemicals Corp Non-aqueous electrolyte secondary battery
US11824160B2 (en) * 2018-03-12 2023-11-21 Tesla, Inc. Battery systems based on two-additive electrolyte systems including 2-furanone, and method of formation process of same

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
Lee, Youngju et al, Quantitative and qualitative study on the solid electrolyte interface formed by 2-(5H) furanone: A novel additive for propylene carbonate-based lithium-ion battery electrolytes, Electrochimica Acta (2018), 265, 662-669 *
Xie, Xiaohua et al, Gamma-crotolactone as an electrolyte additive for improving the cyclability of MCMB electrode, Journal of Power Sources (2007), 174(2), 784-788 *

Also Published As

Publication number Publication date
WO2026062161A1 (en) 2026-03-26

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