Zinc anode alkaline electrochemical cells containing bismuth
AssigneeNanophase Technologies Corporation
InventorsHarry W. Sarkas, Igor V. Barsukov
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Abstract
A negative electrode active material for a zinc anode alkaline electrochemical cell includes (i) particles, comprising bismuth, and (ii) powder, comprising zinc. The particles have an average particle size of at most 135 nm.
Claims26
A negative electrode active material for a zinc anode alkaline electrochemical cell, comprising:
- (i) particles, comprising bismuth, and
- (ii) powder, comprising zinc,
- wherein the particles have an average particle size of at most 135 nm.
11-14. (canceled)
A negative electrode active material for a zinc anode alkaline electrochemical cell, comprising:
- (i) particles, comprising bismuth, and
- (ii) powder, comprising zinc,
- wherein the particles have a specific surface area of at least 5 m2/g.
16-27. (canceled)
29-31. (canceled)
An anode gel for an alkaline electrochemical cell, comprising:
- (a) the negative electrode active material of claim 14,
- (b) an electrolyte, and
- (c) a gelling agent.
33-35. (canceled)
37-39. (canceled)
A negative electrode active material for a zinc anode alkaline electrochemical cell, comprising:
- (i) particles, comprising bismuth, and
- (ii) powder, comprising zinc,
- wherein the particles are capable of plating in an alkaline electrolyte environment at least 2000 ppm bismuth on a zinc substrate.
44-49. (canceled)
Dependencies are inferred from the claim text.