Membrane-electrode assembly for fuel cells having improved durability and manufacturing method thereof
US11005116B2 · kind B2 · utility
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Key dates
| Filing date | Dec 7, 2018 |
| Grant date | May 11, 2021 |
| Priority date | — |
| Expiry date | Apr 29, 2039 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02T90/40
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed are a membrane-electrode assembly for fuel cells having improved durability and a manufacturing method thereof. Hydrogen peroxide, from which a hydroxyl radical is generated, may be removed using an antioxidant having the structure A1-aA′aBO3-δ and including strontium or samarium, thereby improving the durability of an electrolyte membrane and an electrode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.