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US 7,622,220 B2Granted
Polymer electrolyte and fuel cell using the same
AssigneesSamsung SDI Co., Ltd., University of Texas System Board of Regents
InventorsHae-kyoung Kim, Kenneth J. Balkus, Jr., Hyuk Chang, John Patrick Ferraris, Duck Joo Yang, Zhiwei Yang
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Abstract
A polymer electrolyte forming composition includes a trialkoxysilane containing an epoxy group, polyethyleneimine, and at least one of heteropolyacid and trifluoromethanesulfoneimide.
Claims27
A polymer electrolyte, comprising:
- a product of the polymerization of a polymer electrolyte forming composition,
- wherein the polymer electrolyte forming composition comprises:
- a trialkoxysilane containing an epoxy group;
- polyethyleneimine;
- and
- at least one of heteropolyacid and trifluoromethanesulfoneimide.
3 more elements
A method of manufacturing a polymer electrolyte comprising:
- preparing a polymer electrolyte forming composition by mixing polyethyleneimine, a trialkoxysilane containing an epoxy group, and at least one of heteropolyacid and trifluorosulfoneimide;
- and
- polymerizing the polymer electrolyte forming composition by heating.
A fuel cell comprising:
- a cathode;
- an anode;
- and
- a polymer electrolyte membrane interposed between the cathode and the anode,
- wherein the polymer electrolyte membrane comprises:
- a product of the polymerization of a polymer electrolyte forming composition,
- wherein the polymer electrolyte forming composition comprises:
- a trialkoxysilane containing an epoxy group;
- polyethyleneimine;
- and
- at least one of heteropolyacid and trifluoromethanesulfoneimide.
8 more elements
Dependencies are inferred from the claim text.