Conductive, anti-corrosive magnesium titanium oxide material
US11316171B2 · kind B2 · utility
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8References
15Claims
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Key dates
| Filing date | Nov 6, 2019 |
| Grant date | Apr 26, 2022 |
| Priority date | — |
| Expiry date | Jun 12, 2040 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02E60/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
A fuel cell bipolar plate (BPP) includes a metal substrate having a bulk portion and a surface portion comprising an anticorrosive, conductive material having oxygen vacancies and a formula (I): MgTi2O5-δ (I), where δ is any number between 0 and 3 optionally including a fractional part denoting the oxygen vacancies, the material having an electronic conductivity of about 2-10 S/m at room temperature in an ambient environment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.