Bipolar plate for a fuel cell, fuel cell having a bipolar plate
US12261330B2 · kind B2 · utility
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19Claims
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Assignee
Inventors
Key dates
| Filing date | Nov 23, 2020 |
| Grant date | Mar 25, 2025 |
| Priority date | — |
| Expiry date | Jan 7, 2042 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The invention relates to a bipolar plate (1) for a fuel cell, comprising a bipolar plate substrate (2) composed of stainless steel and comprising a coating (3), which is applied to the bipolar plate substrate (2), for increasing the corrosion resistance of the bipolar plate (1). According to the invention, the coating (3) is of single- or multi-layer design and has at least one layer (4) composed of a metal matrix (5) with non-passivating dispersoid particles (6) incorporated therein. The invention further relates to a fuel cell having at least one bipolar plate (1) according to the invention.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.