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

doi:10.1016/S1872-2067(17)62811-0

Abstract

Abstract:

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.

Key words: Amorphous alloy, Oxygen evolution reaction, Electrocatalyst

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.

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URL: https://www.cjcatal.com/EN/10.1016/S1872-2067(17)62811-0

https://www.cjcatal.com/EN/Y2017/V38/I6/1021

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