Fuel cell with polymer electrolyte membrane
US12412916B2 · kind B2 · utility
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15Claims
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Key dates
| Filing date | Nov 2, 2022 |
| Grant date | Sep 9, 2025 |
| Priority date | — |
| Expiry date | Sep 1, 2043 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A compound is represented by Formula 1 below:wherein R1 to R4 are each independently a hydrogen atom, an alkyl group having 1 to 6 carbon atoms, a fluoro-substituted alkyl group having 1 to 6 carbon atoms, or a fluorine atom, wherein at least one among R1 to R4 is a fluorine atom, A is a divalent linking group, M1 and M2 are each independently potassium or sodium, and n and m are each independently an integer of 1 to 10.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.