MATERIAL COMPOSITION OF ELECTRIC DOUBLE−LAYER CAPACITOR− USE CARBON MATERIAL AND PRODUCTION METHOD THEREFOR AND ELECTRIC DOUBLE−LAYER CAPACITOR AND PRODUCTION METHOD THEREFOR

WIPO Patent Application WO/2002/097836

A1

The material composition (10) of an electric double−layer capacitor−use carbon material which contains micro−crystalline carbon having a graphite−like laminar crystal structure and is turned into a electric double−layer capacitor−use carbon material by being activated, characterized in that a crushing strength index HGI stipulated under ASTMD−409−71 is at least 50, an interlayer distance d₀₀₂ of micro−crystalline carbon determined by an X−ray diffraction method is up to 0.343 nm, and the size Lc₀₀₂ of a crystallite of micro−crystalline carbon determined by an X−ray diffraction method is up to 3.0 nm.

TANO TAMOTSU (JP)
OYAMA TAKASHI (JP)
MOGAMI AKINORI (JP)
TAKEUCHI MAKOTO (JP)
KOBAYASHI HIROSHI (JP)
KUDE YUKINORI (JP)

PCT/JP2002/005292

December 05, 2002

May 30, 2002

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NIPPON PETROLEUM REFINING CO (JP)
JEOL LTD (JP)
NIPPON MITSUBISHI OIL CORP (JP)
TANO TAMOTSU (JP)
OYAMA TAKASHI (JP)
MOGAMI AKINORI (JP)
TAKEUCHI MAKOTO (JP)
KOBAYASHI HIROSHI (JP)
KUDE YUKINORI (JP)

C01B31/02; C10B55/02; H01G9/00; H01G11/22; H01G11/24; H01G11/32; H01G11/34; H01G11/38; H01G11/42; H01G11/44; H01G11/84; H01G11/86; H01M4/96; (IPC1-7): H01G9/058

JPH1131733A	1999-02-02
JP2000077273A	2000-03-14
JPH1154384A	1999-02-26
JP2001180923A	2001-07-03

Hasegawa, Yoshiki (Okura-honkan 6-12, Ginza 2-chom, Chuo-ku Tokyo, JP)

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