Corrosion resistant and electrically conductive surface of metal
First Claim
Patent Images
1. A method of coating a surface of a metal substrate, said method comprising:
- providing the metal substrate;
depositing a titanium alloy on the surface of the metal substrate; and
growing a doped titania material on a first surface of the titanium alloy,wherein the titanium alloy is deposited on less than an entire area of the metal substrate.
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Abstract
Methods for coating a metal substrate or a metal alloy with electrically conductive titania-based material. The methods produce metal components for electrochemical devices that need high electrical conductance, corrosion resistance and electrode reaction activities for long term operation at a low cost.
129 Citations
20 Claims
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1. A method of coating a surface of a metal substrate, said method comprising:
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providing the metal substrate; depositing a titanium alloy on the surface of the metal substrate; and growing a doped titania material on a first surface of the titanium alloy, wherein the titanium alloy is deposited on less than an entire area of the metal substrate. - View Dependent Claims (2, 3, 4, 5, 6, 7)
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8. An electrochemical device comprising:
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a metal component having a first surface; a titanium alloy on the first surface of the metal component; and a doped titania material grown on a first surface of the titanium alloy, wherein the titanium alloy is deposited on less than an entire area of the first surface of the metal component. - View Dependent Claims (9, 10, 11, 12, 13, 14, 15, 16)
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17. A plate for a fuel cell, said plate comprising:
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a metal substrate having a first surface; a titanium alloy deposited on the first surface of the substrate; and a doped titania material grown on the titanium alloy, wherein the titanium alloy is deposited as particles on a less than an entire area of the first surface. - View Dependent Claims (18, 19, 20)
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Specification