Interface engineering for enhancing electrocatalytic oxygen evolution reaction of CoS/CeO2 heterostructures
Hongtao Xie , Qin Geng , Xiaoyue Liu , Jian Mao
Front. Chem. Sci. Eng. ›› 2022, Vol. 16 ›› Issue (3) : 376 -383.
Interface engineering for enhancing electrocatalytic oxygen evolution reaction of CoS/CeO2 heterostructures
To realize renewable energy conversion, it is important to develop low-cost and high-efficiency electrocatalyst for oxygen evolution reaction. In this communication, a novel bijunction CoS/CeO2 electrocatalyst grown on carbon cloth is prepared by the interface engineering. The interface engineering of CoS and CeO2 facilitates a rapid charge transfer from CeO2 to CoS. Such an electrocatalyst exhibits outstanding electrocatalytic activity with a low overpotential of 311 mV at 10 mA∙cm−2 and low Tafel slope of 76.2 mV∙dec–1, and is superior to that of CoS (372 mV) and CeO2 (530 mV) counterparts. And it has long-term durability under alkaline media.
interface engineering / CoS/CeO2 / electrodeposition / electrocatalyst / oxygen evolution reaction
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Higher Education Press
Supplementary files
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