Polymer electrolyte membrane
US10644339B2 · kind B2 · utility
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8Claims
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Key dates
| Filing date | Dec 1, 2014 |
| Grant date | May 5, 2020 |
| Priority date | — |
| Expiry date | Dec 1, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention provides a polymer electrolyte membrane having excellent strength, a small dimensional change, and a low membrane resistance. The polymer electrolyte membrane includes a porous film and a polymer electrolyte. The porous film has a fibril/node area ratio of 90/10 to 75/25.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.