Metal working – Method of mechanical manufacture – Electrical device making
Patent
1996-03-15
1997-12-23
Gorgos, Kathryn L.
Metal working
Method of mechanical manufacture
Electrical device making
429232, 423448, 204294, H01M 600, H01M 462, C01B 3104, C25B 1112
Patent
active
057002983
ABSTRACT:
Increasing the percentage of the 3R phase present in graphite reduces the first capacity loss of anodes employing the so modified graphite. Conversion of 2H phase graphite to 3R phase graphite can be achieved by grinding graphite. Non-aqueous solid electrochemical cells with improved performance can be fabricated by employing intercalation based carbon anodes comprising graphite with high percentage of 3R. When employed in an electrochemical cell, the first cycle capacity loss of only about 10%.
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N. N. Greenwood and A. Earnshaw, "Chemistry of the Elements", Pergamon Press, pp. 303 and 304 month unavailable.
Shi et al., "Structure-Refinement Program for Disordered Carbons", J. Appl. Cryst., 26 (1993), pp. 827-836 month unavailable.
Hang Shi, Ph.D., Thesis entitled: Disordered Carbons and Battery Applications, Simon Fraser University, (1993) Sep.
Kirda et al., "Change in Properties of Graphite After Mechanical Treatment in Various Media", Khim. Tverd. Topl., 6, pp. 77-81, 1992.
Barker Jeremy
Koksbang Rene
Shi Hang
Gorgos Kathryn L.
Jew Charles
Valence Technology Inc.
Wong Edna
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