Chemistry of inorganic compounds – Oxygen or compound thereof – Metal containing
Patent
1995-12-01
1997-04-01
Nuzzolillo, M.
Chemistry of inorganic compounds
Oxygen or compound thereof
Metal containing
423594, 429218, 429221, C01B 1314
Patent
active
056163096
ABSTRACT:
The present invention provides cathode active materials having as their major component or consisting essentially entirely of an oxide of vanadium of one of the nominal general formulas: Li.sub.a Fe.sub.x V.sub.y O.sub.z and Li.sub.m Fe.sub.x V.sub.y O.sub.z. In the case of Li.sub.a Fe.sub.x V.sub.y O.sub.z the material in an initial condition does not contain any lithium so a is equal to 0. In the case of Li.sub.m Fe.sub.x V.sub.y O.sub.z the material in an initial condition contains lithium so m is greater than 0. In both cases, x is about 1, y is about 3, and z is about 8. In both cases, the V(4) state is achieved by reaction between iron and V(5) in vanadium pentoxide. In one case lithium was added by including lithium hydroxide in an aqueous solution containing the iron and the vanadium pentoxide.
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West Keld
Zachau-Christiansen Birgit
Deschere Linda M.
Nuzzolillo M.
Valence Technology Inc.
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