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US 12,113,255 B2Granted
Electrolyte membrane for membrane-electrode assembly including self-assembled block copolymer
AssigneesHyundai Motor Company, Kia Corporation
InventorIl Seok Chae
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Abstract
Disclosed is an electrolyte membrane for a membrane-electrode assembly including a block copolymer composed of a hydrophilic domain and a hydrophobic domain.
Claims16
An electrolyte membrane for a membrane-electrode assembly comprising:
- an admixture comprising:
- (a) an ionomer;
- and
- (b) a block copolymer comprising a hydrophilic domain and a hydrophobic domain,
- wherein the hydrophobic domain comprises an antioxidation repeat unit, and
- wherein the antioxidation repeat unit comprises an oxygen radical bonded to nitrogen.
3 more elements
An electrolyte membrane for a membrane-electrode assembly comprising:
- an admixture comprising:
- (a) an ionomer;
- and
- (b) a block copolymer comprising a hydrophilic domain and a hydrophobic domain,
- wherein the hydrophobic domain comprises an antioxidation repeat unit,
- wherein the block copolymer is formed in a micelle comprising a core part and a shell part surrounding the core part, and
- wherein the core part comprises the hydrophobic domain, and the shell part comprises:
- the hydrophilic domain.
5 more elements
Dependencies are inferred from the claim text.