Coating Process For Fuel Cell Components
First Claim
Patent Images
1. A process comprising:
- applying an aqueous solution comprising a polyelectrolyte polymer to a fuel cell component so that at least a portion of the polyelectrolyte polymer adheres to at least a portion of the component.
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Abstract
A process including coating a fuel cell component with an aqueous solution including a polyelectrolyte polymer.
24 Citations
39 Claims
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1. A process comprising:
applying an aqueous solution comprising a polyelectrolyte polymer to a fuel cell component so that at least a portion of the polyelectrolyte polymer adheres to at least a portion of the component. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A process comprising:
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(a) applying an aqueous polyelectrolyte polymer solution to a fuel cell component so that at least a portion of the polyelectrolyte polymer adheres to at least a portion of the component;
(b) removing any polyelectrolyte polymer not adhered to the fuel cell component;
(c) applying a second coating material to the polyelectrolyte polymer adhered to the component; and
(d) removing any of the second coating material not adhered to the polyelectrolyte polymer adhered to the component. - View Dependent Claims (14)
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15. A process comprising:
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(a) removing grease and contaminants from a fuel cell bipolar plate by immersing the plate in a pretreatment solution;
(b) rinsing the plate in a first bath of deionized water;
(c) rinsing the plate in a second bath of deionized water;
(d) immersing the plate in a first aqueous solution of a first polyelectrolyte polymer;
(e) rinsing the plate in a third bath of deionized water to remove any of the first polyelectrolyte polymer not adhered to the plate;
(f) rinsing the plate in a fourth bath of deionized water;
(g) immersing the plate in a second dispersion comprising a second coating material;
(h) rinsing the plate in a fourth bath of deionized water to remove any of the second coating material not adhered to the first polyelectrolyte polymer adhered to the plate;
(i) rinsing the plate in a fifth bath of deionized water;
(j) repeating (d-I) for three cycles;
(k) drying the plate. - View Dependent Claims (16, 17, 18, 19, 20)
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21. A process comprising:
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applying an aqueous solution comprising a polyelectrolyte polymer to a fuel cell component so that at least a portion of the polyelectrolyte polymer adheres to at least a portion of the component;
applying a second coating material to the polyelectrolyte polymer adhered to the fuel cell component. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39)
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Specification