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AssigneeJohnson Matthey Fuel Cells Limited
InventorsGraham Alan Hards, Ian Roy Harkness, Michael Ian Petch, Jonathan David Brereton Sharman, Edward Anthony Wright, Alexander Martin Willcocks
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A catalytic material includes (i) a support material and (ii) a thin film catalyst coating having an inner face adjacent to the support material and an outer face, the thin film catalyst coating having a mean thickness of ≦8 nm, and wherein at least 40% of the support material surface area is covered by the thin film catalyst coating; and wherein the thin film catalyst coating includes a first metal and one or more second metals, and wherein the atomic percentage of first metal in the thin film catalyst coating is not uniform through the thickness of the thin film catalyst coating.
A catalytic material comprising (i) a support material and (ii) a thin film catalyst coating having an inner face adjacent to the support material and an outer face, the thin film catalyst coating having a mean thickness of ≦8 nm, and wherein at least 40% of the support material surface area is covered by the thin film catalyst coating;
A catalytic material comprising (i) a support material and (ii) a thin film catalyst coating having an inner face adjacent to the support material and an outer face, the thin film catalyst coating having a surface area of at least 25 m2/g, and wherein at least 40% of the support material surface area is covered by the thin film catalyst coating;
Dependencies are inferred from the claim text.