Nickel sulfide nanorods decorated on graphene as advanced hydrogen evolution electrocatalysts in acidic and alkaline media

Fangfang Zhang,Lisha Wang, Mose Park,Kyeong-Youn Song,Hoon Choi,Hu Shi,Hoo-Jeong Lee,Huan Pang

Journal of Colloid and Interface Science（2022）

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摘要

•NiS nanorods were successfully decorated on Gr by a simple strategy.•NiS-Gr catalyst shows the HER activity of 66 and 71 mV at 10 mA cm−2 in acidic and alkaline electrolytes.•The small Tafel slopes of 46 and 56 mV dec-1 were obtained in acidic and alkaline electrolytes.•NiS-Gr catalyst shows good long-term cycling durability (>80 h) for HER in acidic and alkaline electrolytes.

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关键词

NiS nanorod,Graphene,Electrocatalyst,HER,Density functional theory

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