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Citation: Xue Leng, Kuang-Hsu Wu, Bing-Jian Su, Ling-Yun Jang, Ian R. Gentle, Da-Wei Wang. Hydrotalcite-wrapped Co-B alloy with enhanced oxygen evolution activity[J]. Chinese Journal of Catalysis, ;2017, 38(6): 1021-1027. doi: 10.1016/S1872-2067(17)62811-0 shu

Hydrotalcite-wrapped Co-B alloy with enhanced oxygen evolution activity

a. School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane 4072, Australia;
b. School of Chemical Engineering, University of New South Wales, Sydney, NSW 2052, Australia;
c. Research Division, National Synchrotron Radiation Research Center, Hsinchu 300, Taiwan, China

Received Date: 8 February 2017
Revised Date: 4 March 2017

Fund Project: This work was supported by the Australian Research Council Discovery Project (DP110100550)

Water oxidation is one of the most attractive techniques for intermittent renewable energy conversion and storage. The oxygen evolution electrocatalytic performance of an amorphous Co-B alloy and its derivatives were studied. These materials were chemically synthesized by reducing a Co salt with NaBH₄. The amorphous Co-B alloy showed good electrocatalytic activity in oxygen evolution but its stability was poor. A hydrotalcite-wrapped Co-B alloy was synthesized by mild oxidation. The electrocatalytic activity of this material in the oxygen evolution reaction was better than that of a commercially available Ir/C catalyst.
- Amorphous alloy,
- Oxygen evolution reaction,
- Electrocatalyst
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