Antioxidant having high antioxidant capability for fuel cell, and electrolyte membrane and membrane-electrode assembly comprising same
US11594746B2 · kind B2 · utility
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16Claims
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Key dates
| Filing date | Dec 14, 2020 |
| Grant date | Feb 28, 2023 |
| Priority date | — |
| Expiry date | Jul 9, 2041 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed are an antioxidant for a fuel cell having a high degree of dispersion and/or distribution and excellent antioxidant capability and a membrane-electrode assembly including the same. The antioxidant includes a metal oxide and a sulfur-containing organic compound, for example, an organic compound including a sulfinic acid anion group (R—SO2−), adsorbed on the metal oxide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.