Cell structure of fuel cell
US9425468B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 18, 2013 |
| Grant date | Aug 23, 2016 |
| Priority date | — |
| Expiry date | May 8, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A cell structure of a fuel cell, including: a membrane electrode assembly M in which an electrolyte membrane 1 is sandwiched between a pair of electrode layers 2 and 3; a frame 4 disposed around an outer periphery of the electrolyte membrane 1; a separator 5 to define a gas channel G between the separator 5 and the membrane electrode assembly M; a seal member 6 disposed at an outer side of the gas channel G; and a gas-permeable metal porous body 23 disposed on a surface of the electrode layers 2 and 3, wherein the metal porous body 23 includes an extension 23A at an outer rim that extends outward beyond the electrode layers 2, the frame 4 includes an embedding portion 40 where the extension 23A of the metal porous body 23 is embedded, and the cell structure further comprises a holding means to hold the extension 23A of the metal porous body 23 between the separator 5 and the embedding portion 40.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.