Proton-conductive material, proton-conductive electrolyte for fuel cell comprising the material and fuel cell employing the electrolyte
AssigneeSamsung SDI Co., Ltd.
InventorsHiroko Endo, Hiroyuki Nishide, Atsuo Sonal, Takahiro Tago
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Abstract
The present teachings encompass proton-conductive material comprising a new polymer compound. A proton-conductive electrolyte comprising the proton-conductive material, and a fuel cell comprising the proton-conductive electrolyte are disclosed. A proton-conductive material comprising poly(phosphophenylene oxide) that comprises polyphenylene oxide as the main chain, and at least one phosphonic acid group as a side chain of the main chain, a proton-conductive electrolyte comprising the proton-conductive material, and a fuel cell employing the proton-conductive electrolyte, are also disclosed.
Claims21
A proton-conductive material comprising a poly(phosphophenylene oxide) that is a random copolymer represented by Formula 1 below:
- wherein each R group individually comprises any one of a hydrogen atom, an alkyl group, an ester group, a phenyl group, a carboxylic acid group, a sulfonic acid group, a sulfoamidic acid group, and a phosphoric acid group,
- wherein n is an integer in the range of from about 100 to about 100,000;
- wherein a, b, and c refer to a ratio of the three compounds in parenthesis of Formula 1;
- and
- wherein the ratio of a to b+c is in the range of from about 3:5 to about 6:2.
A proton conductive membrane, comprising a poly(phosphophenylene oxide) that is a random copolymer represented by Formula 1 below:
- wherein each R group individually comprises any one of a hydrogen atom, an alkyl group, an ester group, a phenyl group, a carboxylic acid group, a sulfonic acid group, a sulfoamidic acid group, and a phosphoric acid group,
- wherein n is an integer in the range of from about 100 to about 100,000;
- wherein a, b, and c refer to a ratio of the three compounds in parenthesis of Formula 1;
- and
- wherein the ratio of a to b+c is in the range of from about 3:5 to about 6:2.
Dependencies are inferred from the claim text.