Hybrid gas diffusion layer for electrochemical cells
US11996590B2 · kind B2 · utility
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24Claims
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Key dates
| Filing date | Nov 28, 2019 |
| Grant date | May 28, 2024 |
| Priority date | — |
| Expiry date | Nov 2, 2040 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention relates to hybrid gas diffusion layers for electrochemical cells, in particular for membrane electrode units in polymer electrolyte membrane (PEM) fuel cells and a method for manufacturing them.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.