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Contact: Kevin Stacey
Brown University

Co-G Material

Caption: Nanoparticles of cobalt attach themselves to a graphene substrate in a single layer. As a catalyst, the cobalt-graphene combination was a little slower getting the oxygen reduction reaction going, but it reduced oxygen faster and lasted longer than platinum-based catalysts.

Credit: Sun Lab/Brown University

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Related news release: New cobalt-graphene catalyst could challenge platinum for use in fuel cells

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