Journal
CHINESE JOURNAL OF CATALYSIS
Volume 41, Issue 2, Pages 242-248Publisher
SCIENCE PRESS
DOI: 10.1016/S1872-2067(19)63410-8
Keywords
Water splitting; Hydrogen evolution reaction catalyst; Electrophoretic deposition; Metal-organic framework
Funding
- National Natural Science Foundation of China [21573033]
- Shandong Provincial Natural Science Foundation, China [ZR2018BB037]
- Project of Shandong Province Higher Educational Science and Technology Program [j17KA104]
- Project of Qingdao Applied Basic Research Programs of Science and Technology [18-2-2-10-jch, 18-2-2-35-jch]
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High-performance and cost-effective catalysts for water splitting are key components of hydrogen-based energy technologies. Metal-organic framework (MOF)-derived metal phosphide composites have immense potential as highly active and stable electrocatalysts but suffer from the poor efficacy of available electrode assembly methods. In this study, an MOF-derived nitrogen-doped porous carbon/Co/CoP/carbon paper (NC/Co/CoP/CP) composite electrode was assembled by electrophoretic deposition and post-processing reactions. The binder-free electrode showed good catalytic activity, significantly higher than that of traditional electrodes. The electrode required overpotentials of 208 and 350 mV to achieve a current density of 10 mA/cm(2) for the hydrogen and oxygen evolution reactions, respectively. This facile synthetic method provides a promising route for designing metal-doped and multi-metal phase MOF-derived composite electrodes for energy storage and conversion devices. (C) 2020, Dalian Institute of Chemical Physics, Chinese Academy of Sciences. Published by Elsevier B.V. All rights reserved.
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