Electrolyte membrane including polyfluorene-based ionomer and manufacturing method thereof
US12283728B2 · kind B2 · utility
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11Claims
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Key dates
| Filing date | Sep 13, 2021 |
| Grant date | Apr 22, 2025 |
| Priority date | — |
| Expiry date | Dec 26, 2043 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present disclosure to an electrolyte membrane containing a polyfluorene-based ionomer, and more particularly, to an electrolyte membrane containing a polyfluorene-based ionomer which has a fluorene main chain composed of only a carbon-carbon bond and a side chain composed of a perfluorosulfonic acid group. The electrolyte membrane containing the polyfluorene-based ionomer has high proton conductivity, excellent chemical durability, excellent mechanical property, and excellent volume stability.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.