Self-supported Ni(P, O)x·MoOx nanowire array on nickel foam as an efficient and durable electrocatalyst for alkaline hydrogen evolution

Wei Hua, Huanyan Liu, Jian Gan Wang, Bingqing Wei

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摘要

Earth-abundant and low-cost catalysts with excellent electrocatalytic hydrogen evolution reaction (HER) activity in alkaline solution play an important role in the sustainable production of hydrogen energy. In this work, a catalyst of Ni(P, O)x·MoOx nanowire array on nickel foam has been prepared via a facile route for efficient alkaline HER. Benefiting from the collaborative advantages of Ni(P, O)x and amorphous MoOx, as well as three-dimensional porous conductive nickel scaffold, the hybrid electrocatalyst shows high catalytic activity in 1 M KOH aqueous solution, including a small overpotential of 59 mV at 10 mA cm–2, a low Tafel slope of 54 mV dec-1, and excellent cycling stability.

源语言英语
文章编号433
期刊Nanomaterials
7
12
DOI
出版状态已出版 - 12月 2017

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