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WO2008084675A1 - 非水系二次電池用複合黒鉛粒子、それを含有する負極材料、負極及び非水系二次電池 - Google Patents

非水系二次電池用複合黒鉛粒子、それを含有する負極材料、負極及び非水系二次電池 Download PDF

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Publication number
WO2008084675A1
WO2008084675A1 PCT/JP2007/074855 JP2007074855W WO2008084675A1 WO 2008084675 A1 WO2008084675 A1 WO 2008084675A1 JP 2007074855 W JP2007074855 W JP 2007074855W WO 2008084675 A1 WO2008084675 A1 WO 2008084675A1
Authority
WO
WIPO (PCT)
Prior art keywords
graphite particles
aqueous secondary
composite graphite
secondary batteries
composite
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.)
Ceased
Application number
PCT/JP2007/074855
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English (en)
French (fr)
Inventor
Hitoshi Matsumoto
Hideharu Sato
Hiroyuki Uono
Keita Yamaguchi
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.)
Mitsubishi Chemical Corp
Original Assignee
Mitsubishi Chemical Corp
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 Mitsubishi Chemical Corp filed Critical Mitsubishi Chemical Corp
Priority to US12/521,372 priority Critical patent/US8431270B2/en
Priority to EP07860084.8A priority patent/EP2128916A4/en
Priority to CN2007800475920A priority patent/CN101589492B/zh
Priority to KR1020097011942A priority patent/KR101441712B1/ko
Publication of WO2008084675A1 publication Critical patent/WO2008084675A1/ja
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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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
    • H01M4/583—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
    • 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
    • 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
    • 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
    • H01M4/139—Processes of manufacture
    • H01M4/1393—Processes of manufacture of 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
    • H01M2004/021—Physical characteristics, e.g. porosity, surface area
    • 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

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

Abstract

　高容量化のために集電体上の負極材料を有する活物質層を高密度化しても、初期サイクル時の充放電不可逆容量の十分小さい非水系二次電池を提供することを課題とし、球状黒鉛粒子とバインダー黒鉛とが複合化したものであって、該複合黒鉛粒子が、少なくとも次の要件（ａ）～（ｇ）よりなる群から選ばれる何れかを満たす非水系二次電池用複合黒鉛粒子により課題を解決した。 （ａ）その表面に、該球状黒鉛粒子の少なくとも一部が露出している複合黒鉛粒子を含有する。（ｂ）その表面近傍に、該球状黒鉛粒子の不完全な積層構造を有する複合黒鉛粒子を含有する。（ｃ）該球状黒鉛粒子のメジアン径をａとし、該複合黒鉛粒子のメジアン径をｂとしたとき、その比ｃ＝ａ／ｂが０．９３以上である。（ｄ）そのラマンＲ値が０．１５～０．２５、平均円形度が０．８５以上、タップ密度が０．８７～１．２５ｇ／ｃｍ３、ＢＥＴ比表面積が２．５～８ｍ２／ｇである。（ｅ）水銀ポロシメーターで測定された０．０１～２μｍの細孔容積が０．０５～１ｍＬ／ｇである。（ｆ）ＢＥＴ比表面積で規格化した表面に存在するＣＯ基の量が、１．１５～５μｍｏｌ／ｍ２である。（ｇ）該複合黒鉛粒子を用いて得られた電極に、特定の電解液を滴下させた時に、該電解液が電極上から完全に消失するまでの時間の平均値が１８０秒以下である。
PCT/JP2007/074855 2006-12-26 2007-12-25 非水系二次電池用複合黒鉛粒子、それを含有する負極材料、負極及び非水系二次電池 Ceased WO2008084675A1 (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US12/521,372 US8431270B2 (en) 2006-12-26 2007-12-25 Composite graphite particles for nonaqueous secondary battery, negative-electrode material containing the same, negative electrode, and nonaqueous secondary battery
EP07860084.8A EP2128916A4 (en) 2006-12-26 2007-12-25 VERBUND GRAPHITE PARTICLES FOR WATER-FREE SECONDARY BATTERIES, THESE INCLUDING NEGATIVE ELECTRODE MATERIAL, NEGATIVE ELECTRODES AND WATER-FREE SECONDARY BATTERIES
CN2007800475920A CN101589492B (zh) 2006-12-26 2007-12-25 非水系二次电池用复合石墨颗粒、含有它的负极材料、负极和非水系二次电池
KR1020097011942A KR101441712B1 (ko) 2006-12-26 2007-12-25 비수계 2차전지용 복합 흑연 입자, 그것을 함유하는 부극 재료, 부극 및 비수계 2차전지

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2006348703 2006-12-26
JP2006-348703 2006-12-26

Publications (1)

Publication Number Publication Date
WO2008084675A1 true WO2008084675A1 (ja) 2008-07-17

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Family Applications (1)

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PCT/JP2007/074855 Ceased WO2008084675A1 (ja) 2006-12-26 2007-12-25 非水系二次電池用複合黒鉛粒子、それを含有する負極材料、負極及び非水系二次電池

Country Status (6)

Country Link
US (1) US8431270B2 (ja)
EP (1) EP2128916A4 (ja)
JP (1) JP5268018B2 (ja)
KR (1) KR101441712B1 (ja)
CN (1) CN101589492B (ja)
WO (1) WO2008084675A1 (ja)

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WO2009157478A1 (ja) * 2008-06-25 2009-12-30 三菱化学株式会社 非水系二次電池用複合黒鉛粒子、それを含有する負極材料、負極及び非水系二次電池
JP2011086617A (ja) * 2009-09-15 2011-04-28 Mitsubishi Chemicals Corp リチウムイオン二次電池用炭素材料
CN102203989A (zh) * 2008-10-31 2011-09-28 三菱化学株式会社 非水二次电池用负极材料
KR20120003442A (ko) * 2009-03-27 2012-01-10 미쓰비시 가가꾸 가부시키가이샤 비수 전해액 2 차 전지용 부극 재료 및 이것을 사용한 비수 전해액 2 차 전지
KR20120022731A (ko) * 2009-03-27 2012-03-12 미쓰비시 가가꾸 가부시키가이샤 비수 전해액 2 차 전지용 부극 재료 및 이것을 사용한 비수 전해액 2 차 전지
JP2012094505A (ja) * 2010-09-29 2012-05-17 Mitsubishi Chemicals Corp 非水電解液二次電池負極用炭素材及びその製造方法、これを用いた非水系二次電池用負極並びに非水電解液二次電池
US9312532B2 (en) 2010-12-08 2016-04-12 Nippon Coke & Engineering Co., Ltd. Negative electrode material for lithium ion secondary batteries, and method for producing same
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CN116589280A (zh) * 2023-07-14 2023-08-15 长沙中瓷新材料科技有限公司 一种石墨匣钵的制备方法
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WO2011093129A1 (ja) 2010-01-28 2011-08-04 株式会社村田製作所 全固体二次電池用電極活物質およびそれを用いた全固体二次電池
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US8431270B2 (en) 2013-04-30
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