Electrolyte membrane of membrane-electrode assembly including electronic insulation layer and preparation method thereof
US11967746B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Nov 25, 2019 |
| Grant date | Apr 23, 2024 |
| Priority date | — |
| Expiry date | Oct 24, 2040 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed are an electrolyte membrane of a membrane-electrode assembly including an electronic insulation layer, which greatly improves the durability of the electrolyte membrane, and a method of preparing the same. The electrolyte membrane includes an ion exchange layer and an electronic insulation layer provided on the ion exchange layer, and the electronic insulation layer includes one or more catalyst complexes, and a second ionomer Particularly, each of the one or more catalyst complex includes a catalyst particle and a first ionomer coated on the entirety or a portion of the surface of the catalyst particle, and the one or more catalyst complexes are dispersed the second ionomer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.