Electrolyte membranes for membrane-electrode assemblies containing self-assembling block copolymers
JP7797153B2Active Publication Date: 2026-01-13HYUNDAI MOTOR CO LTD +1
Patent Information
- Application Number
- JP2021163737
- Authority / Receiving Office
- JP · JP
- Patent Type
- Patents
- Current Assignee / Owner
- Priority Date
- 2020-11-24
- Filing Date
- 2021-10-04
- Publication Date
- 2026-01-13
- Estimated Expiration
- 2041-10-04
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Figure 0007797153000027 
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Abstract
To provide a membrane-electrode assembly electrolyte membrane having improved durability while maintaining the performance of a membrane-electrode assembly solid polymer electrolyte membrane.SOLUTION: A membrane-electrode assembly electrolyte membrane includes an ionomer, and an additive dispersed in the ionomer, the additive includes a block copolymer containing a hydrophilic domain and a hydrophobic domain, and the hydrophilic domain includes a cationically conductive repeating unit and the hydrophobic domain includes an antioxidant repeating unit.SELECTED DRAWING: Figure 3
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Citation Information
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