BR112023012812A2 - Método de produção de material de cátodo de fosfato de ferro de lítio revestido de carbono in situ para baterias de íons de lítio e seus produtos - Google Patents

Método de produção de material de cátodo de fosfato de ferro de lítio revestido de carbono in situ para baterias de íons de lítio e seus produtos

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Publication number
BR112023012812A2
BR112023012812A2 BR112023012812A BR112023012812A BR112023012812A2 BR 112023012812 A2 BR112023012812 A2 BR 112023012812A2 BR 112023012812 A BR112023012812 A BR 112023012812A BR 112023012812 A BR112023012812 A BR 112023012812A BR 112023012812 A2 BR112023012812 A2 BR 112023012812A2
Authority
BR
Brazil
Prior art keywords
carbon coated
lithium ion
grinding
hours
products
Prior art date
Application number
BR112023012812A
Other languages
English (en)
Inventor
Ravula Vijay
Srinivasan Anandan
Narasinga Rao Tata
Original Assignee
International Advanced Res Centre For Powder Metallurgy And New Materials Arci
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 International Advanced Res Centre For Powder Metallurgy And New Materials Arci filed Critical International Advanced Res Centre For Powder Metallurgy And New Materials Arci
Publication of BR112023012812A2 publication Critical patent/BR112023012812A2/pt

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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
    • H01M4/131—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
    • 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
    • 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
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • H01M4/362—Composites
    • H01M4/366—Composites as layered products
    • 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
    • H01M4/5825—Oxygenated metallic salts or polyanionic structures, e.g. borates, phosphates, silicates, olivines
    • 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
    • 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
    • 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)
  • Materials Engineering (AREA)
  • Inorganic Chemistry (AREA)
  • Manufacturing & Machinery (AREA)
  • Composite Materials (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Secondary Cells (AREA)

Abstract

método de produção de material de cátodo de fosfato de ferro de lítio revestido de carbono in situ para baterias de íons de lítio e seus produtos. a presente invenção refere-se a um método de produção de pós de lifepo4 revestidos de carbono de alto desempenho para fazer o cátodo de grau de bateria para bateria de íon de lítio, compreendendo as etapas de: a) mistura de precursores de li2co3, fec2o4, e nh4h2po4 com diferentes concentrações (3 a 10%) de ácido cítrico na razão estequiométrica de 1,05:1:1; b) adição de 2 a 5% de ácido esteárico; c) moagem em uma unidade de moagem por atrito mantida com a proporção de bola para pó de 10:1-12:1 a 250-550 rpm por 2 a 12 horas; d) repetir o processo de moagem aumentando e diminuindo a velocidade por um período de 2 a 24 horas; e) descarregar os pós moídos após a conclusão da moagem; f) peletizá-los; g) recozimento dos mesmos sob atmosfera de argônio em fornalha de larga escala a uma temperatura de 650 a 700 °c com uma taxa de aquecimento de 2 a 5 °c/min por 2 a 10 horas; e h) triturar os péletes recozidos até um pó fino.
BR112023012812A 2020-12-28 2021-12-06 Método de produção de material de cátodo de fosfato de ferro de lítio revestido de carbono in situ para baterias de íons de lítio e seus produtos BR112023012812A2 (pt)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IN202011056608 2020-12-28
PCT/IN2021/051138 WO2022144917A1 (en) 2020-12-28 2021-12-06 Method of producing in-situ carbon coated lithium iron phosphate cathode material for lithium-ion batteries and the product thereof

Publications (1)

Publication Number Publication Date
BR112023012812A2 true BR112023012812A2 (pt) 2023-12-05

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
BR112023012812A BR112023012812A2 (pt) 2020-12-28 2021-12-06 Método de produção de material de cátodo de fosfato de ferro de lítio revestido de carbono in situ para baterias de íons de lítio e seus produtos

Country Status (7)

Country Link
EP (1) EP4267681A1 (pt)
JP (1) JP2024503575A (pt)
CN (1) CN116686109A (pt)
AU (1) AU2021412505A1 (pt)
BR (1) BR112023012812A2 (pt)
IL (1) IL304060A (pt)
WO (1) WO2022144917A1 (pt)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115196612B (zh) * 2022-09-01 2023-05-16 中国长江三峡集团有限公司 磷酸铁锂正极材料及其制备方法与锂离子电池正极片
CN115528296B (zh) * 2022-09-29 2023-12-29 欣旺达动力科技股份有限公司 一种二次电池
CN115433305B (zh) * 2022-10-24 2024-04-16 昆山石梅新材料科技有限公司 一种溶剂型丙烯酸酯涂料及其制备方法和用途
WO2024087057A1 (en) * 2022-10-26 2024-05-02 Dow Global Technologies Llc Phosphoric milling agents and methods of use
CN116462174A (zh) * 2023-03-21 2023-07-21 宁夏百川新材料有限公司 一种纳米级磷酸铁锂锂离子电池正极材料的制备方法

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102468479A (zh) * 2010-11-18 2012-05-23 芯和能源股份有限公司 磷酸铁锂正极材料的制造方法
CN109987638A (zh) * 2019-03-10 2019-07-09 胡春宇 赤泥生产磷酸铁锂电池颜料复合板

Also Published As

Publication number Publication date
EP4267681A1 (en) 2023-11-01
IL304060A (en) 2023-08-01
AU2021412505A1 (en) 2023-06-08
CN116686109A (zh) 2023-09-01
WO2022144917A1 (en) 2022-07-07
JP2024503575A (ja) 2024-01-26

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