Carbonaceous insertion compounds and use as anodes in rechargeab

Details Carbonaceous insertion compounds and use as anodes in rechargeab Carbonaceous insertion compounds and use as anodes in rechargeab

1996-06-19

1997-12-16

Nuzzolillo, M.

Chemistry: electrical current producing apparatus, product, and

Current producing cell, elements, subcombinations and...

Electrode

423594, H01M 402

Patent

active

056983409

ABSTRACT:
Carbonaceous insertion compounds and methods for preparation are described wherein the compounds comprise silicon and oxygen and are characterized by x-ray diffraction patterns that resemble that of amorphous silicon dioxide. The compounds can exhibit a large reversible capacity for lithium and can be prepared by simple pyrolysis of suitable polymer/s containing silicon, oxygen and carbon at an appropriate temperature. These insertion compounds may be suitable for use as high capacity anodes in lithium ion batteries.

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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.
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A. Mabuchi, et al., "Charge-Discharge Characteristics of the Mesocarbon Microbeads Heat-Treated at Different Temperatures", 7th International Meeting on Lithium Batteries, Extended Abstracts p. 212, Boston, Mass. (1994) (month N/A).
G.T. Burns, et al., "High-Temperature Chemistry of the Conversion of Siloxanes to Silicon Carbide", Chem. Mater. 1992, 4, pp. 1313-1323 (month N/A).
F. Babonneau, et al., "Silicon Oxycarbide Glasses from Sol-Gel Precursors", Mat. Res. Soc. Symp. Proc. vol. 271 (1992), pp. 789-793 (month N/A).

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