WO2008081944A1 - 非水電解質二次電池用正極材料、それを備えた非水電解質二次電池、及びその製造法 - Google Patents

非水電解質二次電池用正極材料、それを備えた非水電解質二次電池、及びその製造法 Download PDF

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Publication number
WO2008081944A1
WO2008081944A1 PCT/JP2007/075313 JP2007075313W WO2008081944A1 WO 2008081944 A1 WO2008081944 A1 WO 2008081944A1 JP 2007075313 W JP2007075313 W JP 2007075313W WO 2008081944 A1 WO2008081944 A1 WO 2008081944A1
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Prior art keywords
nonaqueous electrolyte
electrolyte secondary
same
secondary battery
positive electrode
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PCT/JP2007/075313
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English (en)
French (fr)
Inventor
Yoshinobu Yasunaga
Akihiro Fujii
Tokuo Inamasu
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Gs Yuasa Corporation
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Application filed by Gs Yuasa Corporation filed Critical Gs Yuasa Corporation
Priority to JP2008515770A priority Critical patent/JP5326567B2/ja
Priority to US12/448,629 priority patent/US8771877B2/en
Priority to EP07860516.9A priority patent/EP2124272B1/en
Priority to CN2007800457392A priority patent/CN101573812B/zh
Publication of WO2008081944A1 publication Critical patent/WO2008081944A1/ja

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    • 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
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/05—Preparation or purification of carbon not covered by groups C01B32/15, C01B32/20, C01B32/25, C01B32/30
    • 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
    • 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
    • H01M4/36—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
    • H01M4/62—Selection of inactive substances as ingredients for active masses, e.g. binders, fillers
    • H01M4/624—Electric conductive fillers
    • H01M4/625—Carbon or graphite
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
    • C01P2004/00—Particle morphology
    • C01P2004/80—Particles consisting of a mixture of two or more inorganic phases
    • C01P2004/82—Particles consisting of a mixture of two or more inorganic phases two phases having the same anion, e.g. both oxidic phases
    • C01P2004/84—Particles consisting of a mixture of two or more inorganic phases two phases having the same anion, e.g. both oxidic phases one phase coated with the other
    • 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
    • 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
    • H01M4/36—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
    • 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
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T29/00—Metal working
    • Y10T29/49—Method of mechanical manufacture
    • Y10T29/49002—Electrical device making
    • Y10T29/49108—Electric battery cell making
    • Y10T29/49115—Electric battery cell making including coating or impregnating

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Composite Materials (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Materials Engineering (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Battery Electrode And Active Subsutance (AREA)
  • Secondary Cells (AREA)

Abstract

　本発明は、ポリアニオンを有する材料からなる多孔体を備えた非水電解質二次電池用正極材料およびその製造方法に関する。 従来の方法でリン酸鉄リチウムなどのポリアニオンを有する材料の表面にカーボンコートを施しても、低率放電時の容量については向上できるものの、その容量は不十分であった。 本発明は、上記ポリアニオンを有する材料からなる多孔体を備えた非水電解質二次電池用正極材料において、上記多孔体の孔の内壁にカーボンが層状に備えられた構造とすることによって、放電容量の向上を図ったものである。
PCT/JP2007/075313 2006-12-28 2007-12-28 非水電解質二次電池用正極材料、それを備えた非水電解質二次電池、及びその製造法 WO2008081944A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP2008515770A JP5326567B2 (ja) 2006-12-28 2007-12-28 非水電解質二次電池用正極材料、それを備えた非水電解質二次電池、及びその製造法
US12/448,629 US8771877B2 (en) 2006-12-28 2007-12-28 Positive electrode material for nonaqueous electrolyte secondary battery, nonaqueous electrolyte secondary battery including the same, and method for producing the same
EP07860516.9A EP2124272B1 (en) 2006-12-28 2007-12-28 Positive electrode material for nonaqueous electrolyte secondary battery, nonaqueous electrolyte secondary battery comprising the same, and method for producing the same
CN2007800457392A CN101573812B (zh) 2006-12-28 2007-12-28 非水电解质二次电池用正极材料、具备该正极材料的非水电解质二次电池及其制造方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006-354193 2006-12-28
JP2006354193 2006-12-28

Publications (1)

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WO2008081944A1 true WO2008081944A1 (ja) 2008-07-10

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PCT/JP2007/075313 WO2008081944A1 (ja) 2006-12-28 2007-12-28 非水電解質二次電池用正極材料、それを備えた非水電解質二次電池、及びその製造法

Country Status (5)

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US (1) US8771877B2 (ja)
EP (1) EP2124272B1 (ja)
JP (1) JP5326567B2 (ja)
CN (1) CN101573812B (ja)
WO (1) WO2008081944A1 (ja)

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JP2010219047A (ja) * 2009-03-12 2010-09-30 Swatch Group Research & Development Ltd 犠牲ナノ粒子を含む電気伝導性ナノ複合材料およびそれから生成される開放多孔質ナノ複合材
JP2010219048A (ja) * 2009-03-12 2010-09-30 Belenos Clean Power Holding Ag 開放多孔質電気伝導性ナノ複合材料
US20120183849A1 (en) * 2009-07-30 2012-07-19 Shinsuke Matsuno Non-aqueous electrolyte secondary battery
JP2013069565A (ja) * 2011-09-22 2013-04-18 Sumitomo Osaka Cement Co Ltd 電極材料及びその製造方法
US9172087B2 (en) 2013-03-15 2015-10-27 Sumitomo Osaka Cement Co., Ltd. Electrode material, electrode and lithium ion battery
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US9263743B2 (en) 2012-06-07 2016-02-16 Sony Corporation Electrode, secondary battery, battery pack, electric vehicle, electric power storage system, electric power tool, and electronic apparatus
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CN101859892B (zh) 2010-04-27 2012-11-21 清华大学 锂离子电池正极及其制备方法
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WO2012144298A1 (ja) * 2011-04-18 2012-10-26 日本碍子株式会社 リチウム二次電池の正極活物質
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CN110127644A (zh) * 2019-04-09 2019-08-16 山东鲁北企业集团总公司 一种制备磷酸铁锂前躯体的低能耗湿法研磨方法
CN114551880B (zh) * 2021-12-21 2023-07-14 杭州华宏通信设备有限公司 一种碳覆多孔Cr-Cu合金/磷酸铁锂正极及其制备方法
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EP2124272A1 (en) 2009-11-25
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