Enhanced oxygen evolution catalytic activity of NiS2 by coupling with ferrous phosphite and phosphide

文献信息

发布日期 2021-02-11

DOI 10.1039/D0SE01837F

影响因子 6.367

作者

Tao Zhang, Xinyang Li, Bo Wu, Yue Li

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摘要

We develop a facile method to improve the OER performance of NiS2 nanospheres by coupling ferrous phosphite and phosphide (simply abbreviated as Fe-P) with NiS2. The as prepared NiS2/Fe-P nanospheres possess abundant interfaces which can not only enrich the electroactive sites but also promote electronic transfer, thus further facilitating intrinsic activity for the OER. Consequently, optimal NiS2/Fe-P exhibits outstanding OER activity with an ultralow overpotential of only 218 mV at a current density of 10 mA cm−2 and a Tafel slope of 47.5 mV dec−1. More importantly, it can achieve a relatively high current density of 800 mA cm−2 with an overpotential of only 306 mV, as well as pretty good stability after 160 h testing, which is beneficial for practical applications.

期刊推荐

Russian Journal of Organic Chemistry

Acta Materialia

Russian Journal of Bioorganic Chemistry

Nature Medicine

Chemical Communications

Russian Journal of General Chemistry

Chemistry Education Research and Practice

Current Opinion in Solid State & Materials Science

Organic Process Research & Development

Russian Journal of Coordination Chemistry

来源期刊

Sustainable Energy & Fuels

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Enhanced oxygen evolution catalytic activity of NiS2 by coupling with ferrous phosphite and phosphide

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来源期刊

Sustainable Energy & Fuels

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