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Technology Commercialization and Partnerships Division

Bimetallic alloyelectrocatalysts with multilayered platinum-skin surfaces (ANL-IN-10-109)

Compositions and methods of preparing a bimetallic alloy having enhanced electrocatalytic properties are provided

The composition comprises a PtNi substrate having a surface layer, a near-surface layer, and an inner layer, where the surface layer comprises a nickel-depleted composition, such that the surface layer comprises a platinum skin having at least one atomic layer of platinum.