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특허 상세정보

MyON담기
내보내기 페이스북 공유 카카오톡 공유

Method for producing graphite powder with an increased bulk density

특허상세정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) C01B-031/04    C01B-031/00    H01M-002/00    H01M-002/02    H01M-004/02    H01M-008/02   
미국특허분류(USC) 264/015; 429/012; 429/034; 429/209
출원번호 US-0130261 (2000-09-22)
우선권정보 CH-2165/99(1999-11-26)
국제출원번호 PCT/CH00/000514 (2000-09-22)
§371/§102 date 20020715 (20020715)
국제공개번호 WO01/038220 (2001-05-31)
발명자 / 주소
  • Spahr,Michael
  • Cattaneo,Davide
  • Streb,Klaus
출원인 / 주소
  • Timcal AG
대리인 / 주소
    Sughrue Mion, PLLC
인용정보 피인용 횟수 : 8  인용 특허 : 126
초록

A method for increasing the Scott density of synthetic and/or natural graphite powders of any particle size distribution, preferably of highly-pure graphite, by subjecting the graphite powder to an autogenous surface treatment. The powder is used, in particular, for producing dispersions, coatings with an increased graphite/binder ratio and increased electric and thermal conductivity, gas and liquid-tight coatings on metal substrates, thermoplastic or duroplastic graphite-polymer composites, or for producing metallic, non-ferrous sintering materials.

대표
청구항
▼

What is claimed is: 1. A process for increasing the Scott density of a starting graphite powder of any particle size distribution, the starting graphite powder being a synthetic and/or natural graphitic carbon which has a high graphite content in the particle, comprising subjecting the starting graphite powder to an autogenous surface treatment in which individual graphite powder particles are allowed to impact with one another at a measured speed so that their surface structure changes while substantially retaining graphite particle shape without a sub...

이 특허에 인용된 특허 (126)

  1. Mauran Sylvain (Espira de l\Agly FRX) Lebrun Michel (Perpignan FRX) Prades Philippe (Perpignan FRX) Moreau Michel (Clichy FRX) Spinner Bernard (Corneilla del Vercol FRX) Drapier Claude (Vaucresson FR, Active composite and its use as reaction medium.
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  8. Crosier Robert A. (7620 Mariner Cove Dr. Huntersville NC 28078), Braided graphite-foil and method of production.
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  56. Imae Kenji (Takatsuki JPX) Masaki Katsuhiko (Sakai JPX) Miyake Hideo (Kure JPX) Soda Masahiko (Amagasaki JPX) Yoshii Tsuguyasu (Kishiwada JPX) Okuyama Takashi (Mito JPX), Material for expanded graphite gasket.
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  90. Parr Helmut,ATX, Process for producing sealing rings from expandable graphite.
  91. Smirnov Aleksandr Vitalievich,RUX ; Orlov Oleg Georgievich,RUX ; Golipad Pyotr Nikolaevich,RUX ; Koriakin Yurii Nikolaevich,RUX ; Vyalchenkov Leonid Tmofyeecvich,RUX, Process for separating a hydrophobic liquid from a liquid contaminated therewith.
  92. Goldberger William M. (Columbus OH), Process for the electrolytic reduction of metals and an improved particulate carbon electrode for the same.
  93. Hirschvogel Alfred (Achsheim DEX), Process for the preparation of a metal and graphite laminate.
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  2. Spahr, Michael E.; Nessi, Curzio; Stallone, Salvatore; Waldhor, Eberhard; Eusebiu, Grivei; Probst, Nicolas, Graphite material.
  3. Spahr, Michael E.; Nessi, Curzio; Stallone, Salvatore; Waldhör, Eberhard; Eusebiu, Grivei; Probst, Nicolas, Graphite material.
  4. Ueno, Toshiyuki; Yoshioka, Takashi, Metal-graphite composite material having high thermal conductivity and production method therefor.
  5. Chang, Kwang Il; Song, Chul Kyu; Kim, Dha Hae; Hur, Seung Hun, Method of preparing graphene nanoplate, prepared graphene nanoplate, graphene nanoplate paste, and conductive layer including the graphene nanoplate.
  6. Kim, Young-Kee; Han, Jeong-Woo; Park, Sun-il; Sumihito, Ishida, Negative electrode composition for rechargeable lithium battery, negative electrode comprising same and rechargeable lithium battery comprising same.
  7. Hu, Xinyu; Hu, Xijun, Powder particle shaping device and method.
  8. Spahr, Michael E.; Nessi, Curzio; Stallone, Salvatore; Waldhor, Eberhard; Eusebiu, Grivei; Probst, Nicolas, Processes for treating graphite and graphite materials.

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