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https://hdl.handle.net/2440/116288
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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 2040-3372 |
Statement of Responsibility: | 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 |
DOI: | 10.1039/c5nr04666a |
Published version: | http://dx.doi.org/10.1039/c5nr04666a |
Appears in Collections: | Aurora harvest 8 Chemical Engineering publications |
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