Method of making bipolar plate
US7776249B2 · kind B2 · utility
1Cited by
2References
7Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Aug 30, 2005 |
| Grant date | Aug 17, 2010 |
| Priority date | — |
| Expiry date | Mar 24, 2029 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A method of making an electrically conductive element, particularly a bipolar plate for a fuel cell, comprises molding an element from a composite material comprising a polymer and an electrically conductive material to produce an element having a polymer-rich skin and removing at least a portion of the polymer-rich skin with a plasma.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.