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US 2011/0210293 A1Published application
Method for improving the electrochemical performances of an alkali metal oxyanion electrode material and alkali metal oxyanion electrode material obtained therefrom
AssigneePhostech Lithium Inc.
InventorsGuoxian Liang, Jasmin Dufour, Michel Gauthier, Nathalie Ravet, Denis Geoffroy
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Abstract
Process for improving the electrochemical performance of an alkali metal oxyanion electrode material having a pyrolitic carbon deposit thereon, comprising a heat treatment under a humidified atmosphere where the heat treatment is performed at a temperature in the range of about 300° C. to about 950° C.
Claims21
A process for improving the electrochemical performance of an alkali metal oxyanion electrode material having a pyrolitic carbon deposit thereon, said process comprising a heat treatment under a humidified atmosphere of:
- (i) said alkali metal oxyanion electrode material having a pyrolitic carbon deposit thereon;
- (ii) precursors of said alkali metal oxyanion electrode material and an organic precursor of carbon;
- or
- (iii) said alkali metal oxyanion electrode material and an organic precursor of carbon,
- wherein said heat treatment is performed at a temperature in the range of about 300° C. to about 950° C.
2 more elements
Dependencies are inferred from the claim text.