Carbonaceous host compounds and use as anodes in rechargeable ba

Details Carbonaceous host compounds and use as anodes in rechargeable ba Carbonaceous host compounds and use as anodes in rechargeable ba

1995-04-25

1997-04-29

Nuzzolillo, M.

Compositions

Electrically conductive or emissive compositions

Elemental carbon containing

252518, 429218, 4234474, 4234496, C01B 3100

Patent

active

056246064

ABSTRACT:
Carbonaceous compounds and methods for preparation are described wherein the compounds comprise a pre-graphitic carbonaceous host having organized and disorganized regions and wherein atoms of other elements are incorporated in the host without changing the structure of the organized regions. A carbonaceous insertion compound with large reversible capacity for lithium can be prepared using elements capable of alloying with lithium, such as Si, as the incorporated atoms. These insertion compounds are suitable for use as high capacity anodes in lithium ion batteries.

REFERENCES:
patent: 5130211 (1992-07-01), Wilkinson et al.
patent: 5286582 (1994-02-01), Tahara et al.
J.R. Dahn, et al., "Carbons and Graphites as Substitutes for the Lithium Anode", from Lithium Batteries--new Materials, Developments and Perspectives, ed. G. Pistoia, Elsevier (1990) (month N/A).
J. Yamaura, et al., "High voltage, rechargeable lithium batteries using newly-developed carbon for negative electrode material", Journal of Power Sources, 43-44(1993), pp. 233-239 (month N/A).
Y. Toyoguchi, et al., "New Negative Electrodes for Secondary Lithium Batteries", Progress in Batteries & Solar Cells, vol. 6 (1987), pp. 58-60 (month N/A).
O. Kazunori, et al., "Cycle Performance of Lithium Ion Rechargeable Battery", 10th International Seminar on Primary and Secondary Battery Technology and Application, Mar. 1-4, 1993, Deerfield Beach, Florida.

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