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US 8,012,621 B2Granted
Nickel-metal hydride battery using alkali ion conducting separator
AssigneeCeramatec, Inc.
InventorsAshok V. Joshi, John Howard Gordon, Sai Bhavaraju
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Abstract
A nickel-metal hydride storage battery comprising a positive electrode containing nickel hydroxide, a negative electrode containing a hydrogen absorbing alloy, an alkaline electrolyte, and an alkali conducting separator provided between the positive electrode and the negative electrode. The alkali conducting separator may be a solid alkali metal ion super ion conducting material, wherein the alkali metal is Na, K, or Li.
Claims46
A nickel-metal hydride battery comprising:
- a positive electrode containing nickel hydroxide;
- a negative electrode containing a hydrogen storage alloy;
- and
- a separator comprising a substantially non-porous alkali ion conducting ceramic material disposed between the positive electrode and the negative electrode.
1 more element
A nickel-metal hydride battery comprising:
- a positive electrode containing nickel hydroxide;
- a negative electrode containing a hydrogen storage alloy;
- and
- a separator comprising a solid alkali metal ion super ion conducting material disposed between the positive electrode and the negative electrode, wherein the alkali metal is Na, K, or Li.
1 more element
A nickel-metal hydride battery comprising:
- a positive electrode containing nickel hydroxide;
- a negative electrode containing a hydrogen storage alloy;
- a separator comprising an alkali ion conducting material disposed between the positive electrode and the negative electrode;
- and
- distinct alkaline electrolytes positioned on either side of the separator at the positive and negative electrodes.
2 more elements
Dependencies are inferred from the claim text.