Chemistry: electrical current producing apparatus – product – and – Current producing cell – elements – subcombinations and... – Electrode
Reexamination Certificate
2007-05-08
2007-05-08
Kalafut, Stephen J. (Department: 1745)
Chemistry: electrical current producing apparatus, product, and
Current producing cell, elements, subcombinations and...
Electrode
C429S231950, C429S220000, C429S221000, C429S224000
Reexamination Certificate
active
10870135
ABSTRACT:
The present invention relates to novel electrode active materials represented by the general formula AaMb(XY4)2Zd, wherein:(a) A is one or more alkali metals, and 0<a≦8;(b) M is at least one metal capable of undergoing oxidation to a higher valence state, and 1≦b≦3;(c) XY4is selected from the group consisting of X′O4−xY′x, X′O4−yY′2−y, X″S4, and a mixture thereof, where X′ is P, As, Sb, Si, Ge, S, and mixtures thereof; X″ is P, As, Sb, Si, Ge, and mixtures thereof, Y′ is halogen, 0≦x<3, 0<y<4, and 0<c≦3; and(d) Z is OH, a halogen, or mixtures thereof, and 0<d≦6.
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Barker Jeremy
Saidi M. Yazid
Swoyer Jeffrey
Kalafut Stephen J.
Kovacevic Cynthia S.
Ross Michael D.
Valence Technology Inc.
Williams Roger A.
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