Oxygen reduction catalyst element, method of its production, and uses thereof
US10790529B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Feb 23, 2016 |
| Grant date | Sep 29, 2020 |
| Priority date | — |
| Expiry date | Jul 8, 2036 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Provided is an oxygen reduction catalyst element including a water impermeable, gas permeable membrane coated on at least one a portion thereof with a porous layer including a mixture of a non-ionic polymer and at least one oxygen reduction catalytic particulate material. Also provided herein is a method of producing the oxygen reduction catalyst element, a cathode including the same and a fuel cell making use of such cathode.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.