Membrane electrode assembly having layer for trapping catalyst and fuel cell employed with the same
US9397358B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 23, 2006 |
| Grant date | Jul 19, 2016 |
| Priority date | — |
| Expiry date | Feb 20, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T156/10
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed herein are a membrane electrode assembly (MEA) for fuel cells, wherein the membrane electrode assembly has a porous membrane (a catalyst trapping layer) disposed at the opposite surface of a catalyst layer facing a polymer electrolyte membrane for preventing the loss of a catalyst, and a fuel cell including the same. The membrane electrode assembly has the effect of restraining the loss of the catalyst due to a liquid component, such as methanol, thereby improving the operating efficiency of the fuel cell. Especially, the membrane electrode assembly has the effect of minimizing the reduction in performance of the fuel cell due to the loss of the catalyst during the long-term operation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.