Phenolic resin precursor pre-graphitic carbonaceous...

Details Phenolic resin precursor pre-graphitic carbonaceous... Phenolic resin precursor pre-graphitic carbonaceous...

H - Electricity

01

M

H01M 4/24 (2006.01) H01M 4/58 (2006.01)

Patent

CA 2146426

Carbonaceous insertion compounds and methods f or preparation are described wherein the compounds comprise a highly disordered, impurity free, hard pre-graphitic carbonaceous host. Carbonaceous insertion compounds can be prepared which have large reversible capacity for lithium yet low irreversible capacity and voltage hysteresis. Such insertion compounds can be prepared by simple pyrolysis of suitable phenolic resin precursors at an appropriate temperature. These insertion compounds may be suitable for use as high capacity anodes in lithium ion batteries.

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