Journal
ACS CATALYSIS
Volume 4, Issue 11, Pages 4065-4069Publisher
AMER CHEMICAL SOC
DOI: 10.1021/cs501106g
Keywords
FeP; nanorod arrays; binder-free; 3D hydrogen evolution cathode; electrocatalysis; water splitting
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Developing non-noble-metal hydrogen evolution reaction electrocatalysts with high activity is critical for future renewable energy systems. The direct growth of active phases on current collectors not only eliminates using polymer binder but also offers time-saving preparation of electrode. In this Letter, we develop self-supported FeP nanorod arrays on carbon cloth (FeP NAs/CC) via low-temperature phosphidation of its Fe2O3 NAs/CC. As a novel 3D hydrogen evolution cathode in acidic media, the FeP NAs/CC exhibits high catalytic activity and only needs an overpotential of 58 mV to afford current density of 10 mA/cm(2). This electrode also works efficiently in both neutral and alkaline solutions.
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