Journal
CHEMICAL COMMUNICATIONS
Volume 56, Issue 62, Pages 8750-8753Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/d0cc03132a
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Chemical vapor deposition (CVD) and normal pulse voltage (NPV) are adopted to construct high-quality graphene-wrapped CuO nanoflowers grownin situon 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.
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