Abstract
Nickel-carbon (Ni-C) film was investigated for use as anode in polymer exchange membrane fuel cells (PEMFCs) as well as other low-temperature acidic fuel cells. The Ni-C film which was synthesized using DC magnetron sputter deposition comprised about 50 at.% nickel. The film was polarized potentiostatically in 1.5 M H2SO4 at 70 ºC. The film demonstrated passivity against corrosion in hot sulphuric acid solution and electrocatalytic activity towards the anodic and cathodic hydrogen reactions, even after being polarized at high potential.
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