Interface engineering of iron-doped multiphase nickel hydroxide as an effective electrocatalyst for oxygen evolution reaction

Chi Zhang,Zhaoyu Feng,Long Jiao,Xinyue Tao,Zhiheng Dong,Jiateng Li,Haijiao Xie,Kaitian Zheng,Chunjian Xu

Applied Surface Science（2023）

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摘要

•Fe-doped multiphase Ni(OH)2 successfully achieved by Fe2+/Fe3+ modulation.•Formation of a closely bound interface in multiphase catalysts.•Enhanced active Ni3+ species formation and optimized intermediate free energies.•Multiphase Fe-α,β-Ni(OH)2–2 catalyst exhibited an outstanding OER performance.

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关键词

Oxygen evolution reaction,Nickel hydroxide,Multiphase catalyst,Interface engineering,Alkaline water splitting

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