Abstract
In this paper, a novel electrically conductive alumina/nano-carbon network (NCN) composite material was used as an electrocatalyst carrier. A NiCu/Al2O3/NCN composite electrode was prepared by electrodepositing NiCu particles onto the surface of the conductive alumina/NCN composite. Morphology, composition, crystalline structure and electrochemical properties of the NiCu/Al2O3/NCN composite electrode were investigated. The results showed that NiCu particles can be deposited onto the surface of the alumina/NCN composite by a coelectrodeposition method. NiCu particles in the form of solid solution with face-centered cubic (fcc) structure were relatively uniformly distributed over the carbon layer of the conductive ceramic between alumina grains. As-resulted NiCu/Al2O3/NCN composite electrode had a remarkably enhanced electrochemical activity and high stabilization for oxygen evolution reaction, which indicated its potential application with enhanced performance to oxygen evolution reaction (OER). Moreover, based on the electrochemical measurement, the mechanism of the OER on the NiCu/Al2O3/NCN composite electrode was discussed.
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Zhao, X., Fuji, M., Shirai, T. et al. Electrocatalytic evolution of oxygen on NiCu particles modifying conductive alumina/nano-carbon network composite electrode. Sci. China Technol. Sci. 55, 3388–3394 (2012). https://doi.org/10.1007/s11431-012-4992-5
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DOI: https://doi.org/10.1007/s11431-012-4992-5