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A Mn-doped Ni<sub>2</sub>P nanosheet array: an efficient and durable hydrogen evolution reaction electrocatalyst in alkaline media
332
Citations
32
References
2017
Year
Developing earth-abundant and high-performance electrocatalysts toward the alkaline hydrogen evolution reaction (HER) is highly desired. In this communication, we report a Mn-doped Ni<sub>2</sub>P nanosheet array on nickel foam (Mn-Ni<sub>2</sub>P/NF) as a high-efficiency electrocatalyst for the HER in alkaline solutions. This Mn-Ni<sub>2</sub>P/NF can drive 20 mA cm<sup>-2</sup> at an overpotential of 103 mV in 1.0 M KOH, which is 82 mV less than that for Ni<sub>2</sub>P/NF. In addition, it also demonstrates excellent long-term electrochemical durability for at least 25 h. This work offers us a promising catalyst material for water-splitting devices for large-scale production of hydrogen fuels.
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