Porous metal hydride electrode
First Claim
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1. An electrode precursor, comprising:
- a main body comprising a metal hydride and a sacrificial additive, and the sacrificial additive being disposed in the main body to define an inner surface of the main body and further to define a pore volume, wherein the sacrificial additive is present in an amount sufficient that, when removed, the pore volume of the main body is of sufficient volume to prevent or reduce water starvation in a fuel cell or in a battery in which an electrode formed from the electrode precursor is disposed.
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Abstract
An electrode for use in a fuel cell or a battery is provided. The electrode may include a porous main body that may include a metal hydride defining a pore volume effective for preventing water starvation in the fuel cell or battery. An associated method for making and/or using is provided.
32 Citations
36 Claims
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1. An electrode precursor, comprising:
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a main body comprising a metal hydride and a sacrificial additive, and the sacrificial additive being disposed in the main body to define an inner surface of the main body and further to define a pore volume, wherein the sacrificial additive is present in an amount sufficient that, when removed, the pore volume of the main body is of sufficient volume to prevent or reduce water starvation in a fuel cell or in a battery in which an electrode formed from the electrode precursor is disposed. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
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23. A method, comprising:
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mixing a metal hydride and sacrificial material to form a mixture;
applying the mixture to metal substrate to form a main body; and
removing the sacrificial material to form a porous electrode. - View Dependent Claims (24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34)
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35. A system, comprising:
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means for forming an electrode; and
means for forming pores in the electrode. - View Dependent Claims (36)
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Specification