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Type: Journal article
Title: MoO₂-CoO coupled with a macroporous carbon hybrid electrocatalyst for highly efficient oxygen evolution
Other Titles: MoO(2)-CoO coupled with a macroporous carbon hybrid electrocatalyst for highly efficient oxygen evolution
Author: Li, B.
Liang, Y.
Yang, X.
Cui, Z.
Qiao, S.
Zhu, S.
Li, Z.
Yin, K.
Citation: Nanoscale, 2015; 7(40):16704-16714
Publisher: Royal Society of Chemistry
Issue Date: 2015
ISSN: 2040-3364
Statement of
B B. Li, Y. Q. Liang, X.J. Yang, Z.D. Cui, S.Z. Qiao, S.L. Zhu, Z.Y. Li and K. Yin
Abstract: Cost-effective electrocatalysts for oxygen evolution reactions are attractive for energy conversion and storage processes. A high-performance oxygen evolution reaction (OER) electrocatalyst composed of 3D ordered microporous carbon and a MoO₂ skeleton modified by cobalt oxide nanoparticles (MoO₂-CoO-Carbon) is produced through a template method. This unique 3DOM structure finely combines the larger surface area of the 3D carbon skeleton and MoO₂ as well as stablizes anchoring sites for CoO nanocrystals on the skeleton. The synergistic effect between the catalytic activity between MoO₂ and CoO as well as the enhanced electron transport arising from the carbon skeleton contributed to superior electrocatalytic OER properties of MoO₂-CoO-Carbon. The M200-C-Carbon hybrid with an overpotential as low as 0.24 V is among the best reported Mo-based OER catalysts. Moreover, the turnover frequency at an overpotential of 0.35 V is 6 times as high as that of commercial RuO₂.
Rights: This journal is © The Royal Society of Chemistry 2015
RMID: 0030037676
DOI: 10.1039/c5nr04666a
Appears in Collections:Chemical Engineering publications

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