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Effect of Morphology of Co3O4 for Oxygen Evolution Reaction in Alkaline Water Electrolysis

[ Vol. 11 , Issue. 1 ]

Author(s):

Qi-Zhi Xu, Yu-Zhi Su, Hao Wu, Hui Cheng, Yun-Ping Guo, Nan Li and Zhao-Qing Liu   Pages 107 - 112 ( 6 )

Abstract:


In this paper, three different morphological Co3O4 electrodes for oxygen evolution reaction (OER) have been synthesized. By comparing the three morphologies of Co3O4, the electrocatalytic properties show that the urchin-like spheres of Co3O4 electrode has relative low overpotential and good electrocatalysis stability, indicating that the structure of urchin-like Co3O4 spheres exhibit an easy OER for water splitting.

Keywords:

Co3O4, hydrothermal method, oxygen evolution reaction, sol-gel autocombustion method, solution method, urchinlike sphere.

Affiliation:

School of Chemistry and Chemical Engineering/Guangzhou Key Laboratory for Environmentally Functional Materials and Technology, Guangzhou University, Guangzhou 510006, China.

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