Proton-conducting electrolyte and fuel cell using the same
First Claim
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1. A proton-conducting electrolyte, comprising:
- polyamide sulfamidic acid;
wherein the polyamide sulfamidic acid comprises a polyamide backbone and side chains of sulfamidic acid groups.
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Abstract
The invention provides a proton-conducting electrolyte that has excellent proton-conducting properties, heat resistance, and chemical stability without containing any fluorine. The proton-conducting electrolyte contains polyamide sulfamidic acid in which a polyamide backbone has side chains of sulfamidic acid groups. The polyamide sulfamidic acid may be represented by the formula:
where Ar1 and Ar2 are each an aromatic ring or a group containing an aromatic ring and n is the average degree of polymerization and is an integer between 100-300,000.
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Citations
4 Claims
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1. A proton-conducting electrolyte, comprising:
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polyamide sulfamidic acid; wherein the polyamide sulfamidic acid comprises a polyamide backbone and side chains of sulfamidic acid groups. - View Dependent Claims (2, 3, 4)
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Specification