Journal
INTERNATIONAL JOURNAL OF HYDROGEN ENERGY
Volume 47, Issue 6, Pages 3886-3892Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.ijhydene.2021.11.048
Keywords
Two-dimensional transition metal carbide; Electrodeposition; Layered double hydroxide; Electrocatalytic oxygen evolution
Categories
Funding
- Natural Science Foundation of Shandong Province of China [ZR2020MB024]
- Open Project Program of Guangdong Provincial Key Laboratory for Electronic Functional Materials and Devices, Huizhou University [EFMD2021001Z]
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NiFe LDH/Ti3C2Tx/Nickel foam (NF) electrode was successfully prepared by depositing NiFe layered double hydroxide (LDH) nanosheets on Ti3C2Tx/NF substrate through electrodeposition approach. The electrode exhibited excellent OER performance, fast catalytic reaction kinetics, and good chemical stability.
In this work, NiFe LDH/Ti3C2Tx/Nickel foam (NF) was successfully prepared as a binder-free electrode by depositing NiFe layered double hydroxide (LDH) nanosheets on Ti3C2Tx/NF substrate through electrodeposition approach. The strong electrostatic interactions between the negatively charged surface of MXene and positively charged NF substrate enabled the direct growth of NiFe LDH nanosheets on Ti3C2Tx/NF substrate. As a result, the as-prepared NiFe LDH/Ti3C2Tx/NF electrode exhibited an excellent OER performance, fast catalytic reaction kinetics and good chemical stability. Its overpotential reached 200 mV at a current density of 10 mA cm(-2), and the cycling tests suggested a good cycling stability. (C) 2021 Hydrogen Energy Publications LLC. Published by Elsevier Ltd. All rights reserved.
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