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US 2019/0198890 A1Published application
Separator for fuel batteries and fuel battery
AssigneeToyota Jidosha Kabushiki Kaisha
InventorSatoshi TAKATA
Life of this patent
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Abstract
A means for imparting low contact resistance and excellent corrosion resistance under highly corrosive environments, such as environments in the presence of a fluoride ion, to a separator for fuel batteries includes a separator for fuel batteries including a metal base material and a tin oxide film formed on a surface of the metal base material, in which the tin oxide film is tin oxide containing zirconium, and an element ratio of zirconium to tin (Zr/Sn) is in a range of 0.10 to 0.70.
Claims5
A separator for fuel batteries, comprising:
- a metal base material;
- and
- a tin oxide film formed on a surface of the metal base material,
- wherein the tin oxide film is tin oxide comprising zirconium, and
- an element ratio of zirconium to tin (Zr/Sn) is in a range of 0.10 to 0.70.
2 more elements
Dependencies are inferred from the claim text.