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

Author(s): Qi-Zhi Xu, Yu-Zhi Su, Hao Wu, Hui Cheng, Yun-Ping Guo, Nan Li, Zhao-Qing Liu.

Graphical Abstract:


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.

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Article Details

VOLUME: 11
ISSUE: 1
Year: 2015
Page: [107 - 112]
Pages: 6
DOI: 10.2174/1573413710666140925200938