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US 2022/0102737 A1Published application
Enhanced durability of fuel cell metallic bipolar plate
AssigneeHyzon Motors Inc.
InventorsRajesh Bashyam, Arthur E. Koschany
Life of this patent
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Abstract
A metallic bipolar plate has a main body coated with an overlayer. The overlayer can include a graphite-based compound. The overlayer can also include electrically conductive oxides. The electrically conductive oxides can include a member selected from a list consisting of RuIrOx (Ru rich), IrRuOx (Ir rich), RuOx, NbOx, IrOx, and combinations thereof.
Claims20
A bipolar plate comprising:
- a metallic main body;
- and
- an overlayer disposed on the metallic main body, the overlayer including a graphite-based compound and a transition metal oxide.
A method for manufacturing a bipolar plate, comprising:
- providing a bipolar plate including a metallic main body;
- and
- disposing an overlayer on the metallic main body, the overlayer including a graphite-based compound and a transition metal oxide.
Dependencies are inferred from the claim text.