Journal
ACS SUSTAINABLE CHEMISTRY & ENGINEERING
Volume 5, Issue 11, Pages 10093-10098Publisher
AMER CHEMICAL SOC
DOI: 10.1021/acssuschemeng.7b02093
Keywords
CoMoO4; Amorphous; Nanowire array; Self-supported catalyst; Hydrogen evolution reaction
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Funding
- Natural Science Foundation of China [21405059, 21575047]
- Shandong Province [ZR2016JL013, ZR2014BL024]
- National Key Scientific Instrument and Equipment Development Project of China [21627809]
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Water electrolysis is known as the most environmental friendly and renewable technology to generate hydrogen. To make it more energy-efficient, development of a promising cathodic hydrogen evolution reaction electrocatalyst is important. In this communication, amorphous CoMoO4 nanowire array on Ti mesh (CoMoO4 NWA/Ti) was synthesized via a simple two-step hydrothermal method. As a three-dimensional hydrogen-evolving electrode, CoMoO4 NWA/Ti shows superior catalytic activity in 1.0 M KOH and demands overpotentials of only 81 and 243 mV to achieve current densities of 10 and 100 mA cm(-2), respectively. Remarkably, it also has long-term electrochemical durability.
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