Interface engineering of a CeO2-Cu3P nanoarray for efficient alkaline hydrogen evolution
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Updated: Feb 15, 2026

Experimental Methods for Efficient Solar Hydrogen Production in Microgravity Environment
Published on: December 3, 2019
Zao Wang1, Huitong Du, Zhiang Liu
1College of Chemistry, Sichuan University, Chengdu 610064, China. sunxp@scu.edu.cn.
Abstract:
It is of great importance to design and develop highly active electrocatalysts for the hydrogen evolution reaction (HER) under alkaline conditions. In this work, we report the development of a CeO2-Cu3P nanoarray supported on nickel foam (CeO2-Cu3P/NF) as an excellent HER catalyst with the demand of an overpotential of only 148 mV to deliver a geometrical catalytic current density of 20 mA cm-2 in 1.0 M KOH. Remarkably, this catalyst also shows strong long-term electrochemical durability for at least 100 h with nearly 100% Faradaic efficiency. Density functional theory calculations reveal that the CeO2-Cu3P/NF hybrid has a lower water dissociation energy and a more thermo-neutral hydrogen adsorption free energy.
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