Anode material and method of manufacturing the same

Details Anode material and method of manufacturing the same Anode material and method of manufacturing the same

1997-03-06

1998-02-10

Bell, Bruce F.

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

429218, 429194, H01M 600

Patent

active

057167320

ABSTRACT:
An anode material consisting of non-graphitizable carbon material obtained by baking a carbon precursor is disclosed. In this non-graphitizable carbon material, a ratio by weight of carbon Ps in a stacking structure as determined from diffraction peak originating in a (002) crystal lattice plane and X-ray diffraction spectrum components on the lower angle side with respect to the diffraction peak originating in the (002) crystal lattice plane of X-ray diffraction spectrum is smaller than 0.59, or the stacking index SI thereof is smaller than 0.76. Moreover, an average number of carbon layers n.sub.ave in a stacking structure is smaller than 2.46. Alternatively, when the baking temperature is T.degree.C. and the half width at half maximum of the peak appearing in the vicinity of 1340 cm.sup.-1 in the Raman spectrum is HW, the condition expressed below is satisfied.

REFERENCES:
patent: 4544469 (1985-10-01), Boxall et al.
patent: 5306415 (1994-04-01), Cornec et al.
patent: 5344726 (1994-09-01), Tanaka et al.
patent: 5451477 (1995-09-01), Omaru et al.

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