EA200901582A1 - Способ подготовки катодного материала для литиевой аккумуляторной батареи - Google Patents

Способ подготовки катодного материала для литиевой аккумуляторной батареи

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Publication number
EA200901582A1
EA200901582A1 EA200901582A EA200901582A EA200901582A1 EA 200901582 A1 EA200901582 A1 EA 200901582A1 EA 200901582 A EA200901582 A EA 200901582A EA 200901582 A EA200901582 A EA 200901582A EA 200901582 A1 EA200901582 A1 EA 200901582A1
Authority
EA
Eurasian Patent Office
Prior art keywords
cathode material
lithium
mixture
batteries
compound
Prior art date
Application number
EA200901582A
Other languages
English (en)
Other versions
EA016928B1 (ru
Inventor
Куан Даи
Юлинь Шен
Original Assignee
Бид Компани Лимитед
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 Бид Компани Лимитед filed Critical Бид Компани Лимитед
Publication of EA200901582A1 publication Critical patent/EA200901582A1/ru
Publication of EA016928B1 publication Critical patent/EA016928B1/ru

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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
    • H01M4/36—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
    • H01M4/48—Selection of substances as active materials, active masses, active liquids of inorganic oxides or hydroxides
    • 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
    • H01M4/36—Selection of substances as active materials, active masses, active liquids
    • 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
    • H01M4/36—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
    • 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)
  • Inorganic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Manufacturing & Machinery (AREA)
  • Battery Electrode And Active Subsutance (AREA)

Abstract

Настоящее изобретение имеет отношение к способу подготовки материала катода для батарей, в особенности к способам подготовки материалов для литиевых аккумуляторных батарей. Задача настоящего изобретения - обеспечить лучший катодный материал и разработать способ его производства для литиевых батарей с улучшенными электрическими характеристиками. Поставленная задача решается тем, что способ содержит получение смеси по меньшей мере с одним литиевым компаундом, по меньшей мере одним двухвалентным железным компаундом, по меньшей мере одним фосфатным компаундом и по меньшей мере одним углеродным дополнением; отжиг смеси в окисляющей атмосфере; и спекание смеси в инертной атмосфере. Имеются и другие отличия от прототипа. Вместе с различными процессами отжига нагрева, спекания, углеродное содержание может быть распределено более равномерно среди литиево-железофосфатных частиц таким образом, чтобы обеспечить катодный материал повышенной типовой плотностью, повышенным напряжением и превосходными электрическими свойствами.
EA200901582A 2007-09-25 2008-07-08 Способ приготовления катодного материала для литиевых аккумуляторных батарей EA016928B1 (ru)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN2007101546855A CN101399343B (zh) 2007-09-25 2007-09-25 锂离子二次电池正极活性物质磷酸铁锂的制备方法
PCT/CN2008/071574 WO2009039735A1 (en) 2007-09-25 2008-07-08 A method of preparing a cathode material for lithium secondary batteries

Publications (2)

Publication Number Publication Date
EA200901582A1 true EA200901582A1 (ru) 2010-08-30
EA016928B1 EA016928B1 (ru) 2012-08-30

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
EA200901582A EA016928B1 (ru) 2007-09-25 2008-07-08 Способ приготовления катодного материала для литиевых аккумуляторных батарей

Country Status (8)

Country Link
US (1) US7722848B2 (ru)
EP (1) EP2193564B1 (ru)
JP (1) JP5188573B2 (ru)
KR (1) KR20100008793A (ru)
CN (1) CN101399343B (ru)
BR (1) BRPI0812469B1 (ru)
EA (1) EA016928B1 (ru)
WO (1) WO2009039735A1 (ru)

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CN101399343A (zh) 2009-04-01
US7722848B2 (en) 2010-05-25
WO2009039735A1 (en) 2009-04-02
JP5188573B2 (ja) 2013-04-24
EP2193564A4 (en) 2013-01-23
KR20100008793A (ko) 2010-01-26
BRPI0812469A2 (pt) 2014-12-02
CN101399343B (zh) 2011-06-15
JP2010530124A (ja) 2010-09-02
EP2193564A1 (en) 2010-06-09
EA016928B1 (ru) 2012-08-30
EP2193564B1 (en) 2014-05-07
US20090081102A1 (en) 2009-03-26

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