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Published on: June 21, 2017
Laser engineered fabrication of a binder-free NiCoFeCrZn-based high entropy oxide electrode for the hydrogen
Haider Ali1, Sobia Dilpazir1, Mohd Yusuf Khan1,2
1Interdisciplinary Research Center for Hydrogen Technologies and Carbon Management (IRC-HTCM), King Fahd University of Petroleum & Minerals, Box 5040, Dhahran, 31261, Saudi Arabia. abuzar@kfupm.edu.sa.
Abstract:
A NiCoFeCrZn-based HEO was directly synthesized over carbon cloth via one step CO2 laser irradiation of metal salts. The binder-free HEO-based electrode (HEO/CC) exhibits excellent HER activity under alkaline conditions, achieving low overpotentials of 52 mV at 10 mA cm-2, and maintains stable performance over 14 days at a higher current density.
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