Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Electrode
Patent
1997-04-03
1999-03-30
Kalafut, Stephen
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Electrode
429218, H01M 462
Patent
active
058886710
ABSTRACT:
The present invention is directed to a non-aqueous electrolyte battery comprising an anode, a cathode using a carbon material, and a non-aqueous electrolytic solution, wherein the carbon material obtained by coating a core composed of graphitized carbon in which spacing (d.sub.002) of lattice planes (002) is in the range of 3.35 to 3.39 .ANG. and the length (Lc) of a crystallite in the direction of the c axis is not less than 1000 .ANG. with coating graphitized carbon in which spacing (d.sub.002) of lattice planes (002) is more than that in the graphitizing carbon and is in the range of 3.36 to 3.48 .ANG., the carbon material obtained by coating a core composed of graphitized carbon in which spacing (d.sub.002) of lattice planes (002) is in the range of 3.35 to 3.39 .ANG. with a calcined product of an organic substance composed of carbon containing sulfur atoms, or the carbon material composed multi-phase graphitized carbon having two or more crystals respectively different crystallinities in one particle, the length (Lc) of a crystallite in the direction of the c axis in each of the crystals being not less than 10 .ANG., are used for the cathode.
REFERENCES:
patent: 5401598 (1995-03-01), Miyabayashi et al.
patent: 5474861 (1995-12-01), Bito et al.
patent: 5482797 (1996-01-01), Yamada et al.
patent: 5629109 (1997-05-01), Ito et al.
patent: 5702845 (1997-12-01), Kawakami et al.
3.multidot.4 Multi-phase Graphitization Phenomenon (Date unknown).
Kuribayashi I. et al., "Battery Characteristics With Various Carbonaceous Materials", Journal of Power Sources, vol. 54, No. 1, 1 Mar. 1995, pp. 1-5 .
Kusumoto Yasuyuki
Nishio Koji
Nohma Toshiyuki
Shoji Yoshihiro
Yamasaki Mikiya
Kalafut Stephen
Sanyo Electric Co,. Ltd.
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