Ultrahigh Hydrogen Evolution Performance of Under‐Water “Superaerophobic” MoS2 Nanostructured Electrodes

By Zhiyi Lu, Wei Zhu, Xiaoyou Yu, Haichuan Zhang, Yingjie Li, Xiaoming Sun, Xinwei Wang, Hao Wang, Jingming Wang, Jun Luo and 2 more. Advances in Materials, 2014

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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.

Subfields: Electrical and Electronic Engineering, Renewable Energy, Sustainability and the Environment

View Paper: https://www.semanticscholar.org/paper/3f91ae434140a6070316490df88bca3e640a31c4

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Citations in the corpus

Ternary NiCoP nanosheet arrays: An excellent bifunctional catalyst for alkaline overall water splitting (2016, background): “S11 in the ESM) and enough bubble channels to promote the release of gas bubbles away from the electrode surface without accumulation, thus preventing bubbles from peeling off catalysts from substrates [47, 48], as shown in Fig.”