Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Randolph Leising0
Esther S. Takeuchi0
Date of Patent
May 1, 2007
0Patent Application Number
106310970
Date Filed
July 31, 2003
0Patent Primary Examiner
Patent abstract
An improved cathode material for nonaqueous electrolyte lithium electrochemical cell is described. The preferred active material is ε-phase silver vanadium oxide (Ag2V4O11) coated with a protective layer of a metal oxide, preferably γ-phase SVO (Ag1.2V3O1.8). The SVO core provides high capacity and rate capability while the protective coating reduces reactivity of the active particles with electrolyte to improve the long-term stability of the cathode.
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