Normal-pulse-voltage-assisted: In situ fabrication of graphene-wrapped MOF-derived CuO nanoflowers for water oxidation

Ying Wang, Shiqi Wang, Dayan Liu, Lin Zhou, Ran Du, Ting Ting Li, Tingting Miao, Jinjie Qian*, Yue Hu*, Shaoming Huang*

*此作品的通讯作者

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摘要

Chemical vapor deposition (CVD) and normal pulse voltage (NPV) are adopted to construct high-quality graphene-wrapped CuO nanoflowers grown in situ on copper foam (CuO NP@G/CF) as an efficient oxygen evolution reaction (OER) electrocatalyst. The CuO NF@G/CF electrode exhibits a small overpotential of 320 mV to drive a current density of 10 mA cm-2 with a low Tafel slope of 63.1 mV dec-1. This enhancement in OER performance stems from the synergistic effect between highly conductive graphene and hierarchically porous CuO nanoflowers with a number of high-density active sites and open spaces.

源语言英语
页(从-至)8750-8753
页数4
期刊Chemical Communications
56
62
DOI
出版状态已出版 - 11 8月 2020
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Wang, Y., Wang, S., Liu, D., Zhou, L., Du, R., Li, T. T., Miao, T., Qian, J., Hu, Y., & Huang, S. (2020). Normal-pulse-voltage-assisted: In situ fabrication of graphene-wrapped MOF-derived CuO nanoflowers for water oxidation. Chemical Communications, 56(62), 8750-8753. https://doi.org/10.1039/d0cc03132a