Microstructured flow fields
US6555261B1 · kind B1 · utility
20Cited by
34References
10Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Oct 29, 1999 |
| Grant date | Apr 29, 2003 |
| Priority date | — |
| Expiry date | Oct 29, 2019 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A flow field for an electrochemical cell such as a fuel cell is provided, having micro-flow channels having a width or depth of less than 800 &mgr;m, a pitch of less than 800 &mgr;m, or a proportion of inter-channel land area of less than 25%. The channels may further comprise micro-features within the channels. A flow field plate comprising the subject flow field is provided.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.