Nickel-iron battery with a chemically pre-formed (CPF) iron negative electrode
First Claim
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1. A Ni—
- Fe battery comprising an electrode comprising an iron active material, which electrode has been preconditioned prior to any charge-discharge cycle to have the accessible surface of the iron material in the same oxidation state as discharged iron negative electrode active material.
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Abstract
Provided is a Ni—Fe battery comprising an iron electrode which is preconditioned prior to any charge-discharge cycle. The preconditioned iron electrode used in the Ni—Fe battery is prepared by first fabricating an electrode comprising an iron active material, and then treating the surface of the electrode with an oxidant to thereby create an oxidized surface.
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Citations
14 Claims
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1. A Ni—
- Fe battery comprising an electrode comprising an iron active material, which electrode has been preconditioned prior to any charge-discharge cycle to have the accessible surface of the iron material in the same oxidation state as discharged iron negative electrode active material.
- View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
Specification