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https://hdl.handle.net/2440/105706
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Type: | Journal article |
Title: | Self-templating synthesis of hollow Co₃O₄ microtube arrays for highly efficient water electrolysis |
Other Titles: | Self-templating synthesis of hollow Co(3)O(4) microtube arrays for highly efficient water electrolysis |
Author: | Zhu, Y. Ma, T. Jaroniec, M. Qiao, S. |
Citation: | Angewandte Chemie International Edition, 2017; 56(5):1324-1328 |
Publisher: | John Wiley & Sons Ltd. |
Issue Date: | 2017 |
ISSN: | 1433-7851 1521-3773 |
Statement of Responsibility: | YunPei Zhu, Tian Yi Ma, Mietek Jaroniec and Shi Zhang Qiao |
Abstract: | In spite of recent advances in the synthesis of hollow micro/nanostructures, the fabrication of three-dimensional electrodes on the basis of these structures remains a major challenge. Herein, we develop an electrochemical sacrificial-template strategy to fabricate hollow Co3 O4 microtube arrays with hierarchical porosity. The resultant unique structures and integrated electrode configurations impart enhanced mass transfer and electron mobility, ensuring high activity and stability in catalyzing oxygen and hydrogen evolution reactions. Impressively, the apparent performance can rival that of state-of-the-art noble-metal and transition-metal electrocatalysts. Furthermore, this bifunctional electrode can be used for highly efficient overall water splitting, even competing with the integrated performance of Pt/C and IrO2 /C. |
Keywords: | cobalt electrocatalysis microtubes template synthesis water splitting |
Rights: | © 2017 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim |
DOI: | 10.1002/anie.201610413 |
Grant ID: | http://purl.org/au-research/grants/arc/DP130104459 http://purl.org/au-research/grants/arc/DP140104062 http://purl.org/au-research/grants/arc/DP160104866 |
Published version: | http://dx.doi.org/10.1002/anie.201610413 |
Appears in Collections: | Aurora harvest 8 Chemistry publications |
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