Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Electrode
Patent
1995-04-25
1996-12-24
Nuzzolillo, M.
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Electrode
429194, 296231, 4234151, 4234202, 423421, H01M 402
Patent
active
055872565
ABSTRACT:
Carbonaceous insertion compounds and methods for preparation are described wherein the compounds comprise a pre-graphitic carbonaceous host and atoms of an element capable of alloying with alkali metal atoms, the alloying atoms being incorporated predominantly as monodispersed atoms in the host. A carbonaceous insertion compound with large reversible capacity for lithium can be prepared if the alloying atoms incorporated are Si. Such insertion compounds can be prepared by simple pyrolysis of suitable polymers containing silicon and carbon at an appropriate temperature. These insertion compounds may be suitable for use as high capacity anodes in lithium ion batteries.
REFERENCES:
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Wilson et al, "Lithium Insertion in Carbons Containing Nanodispersed Silicon" J. Electrochem. Soc., vol. 142 No. 2, pp. 326-332 (1995) (month N/A).
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Dahn Jeffery R.
Wilson Alfred M.
Moli Energy (1990) Limited
Nuzzolillo M.
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