Ultrahigh hydrogen evolution performance of under-water "superaerophobic" MoS2 nanostructured electrodes

Zhiyi Lu, Wei Zhu, Xiaoyou Yu, Haichuan Zhang, Yingjie Li, Xiaoming Sun, Xinwei Wang, Hao Wang, Jingming Wang, Jun Luo, Lei Jiang

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Abstract

The adhesion of as‐formed gas bubbles on the electrode surface usually impedes mass‐transfer kinetics and subsequently decreases electrolysis efficiency. Here it is demonstrated that nanostructured MoS2 films on conductive substrates show a faster hydrogen evolution reaction (HER), current increase, and a more‐stable working state than their flat counterpart by significantly alleviating the adhesion of as‐formed gas bubbles on the electrode. This study clearly reveals the importance of a nano‐porous structure for HER, which should be general and beneficial for constructing other gas‐evolution electrodes.
Original languageEnglish
Pages (from-to)2683-2687
Number of pages5
JournalAdvanced Materials
Volume26
Issue number17
DOIs
Publication statusPublished - 7 May 2014
Externally publishedYes

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