3D Network nanostructured NiCoP nanosheets supported on N-doped carbon coated Ni foam as a highly active bifunctional electrocatalyst for hydrogen and oxygen evolution reactions
3D Network nanostructured NiCoP nanosheets supported on N-doped carbon coated Ni foam as a highly active bifunctional electrocatalyst for hydrogen and oxygen evolution reactions作者机构：Key Laboratory of Functional Inorganic Material Chemistry Ministry of Education of the People's Republic of China Heilongiiang University Harbin 150080 China
出 版 物：《Frontiers of Chemical Science and Engineering》 (化学科学与工程前沿（英文版）)
年 卷 期：2018年第12卷第3期
页 面：417-424页
核心收录：
学科分类：081704[工学-应用化学] 08[工学] 0817[工学-化学工程与技术] 081701[工学-化学工程] 0822[工学-轻工技术与工程]
基 金：support of this research by the National Natural Science Foundation of China 黑龙江省自然科学基金 the University Nursing Program for Young Scholars with Creative Talents in Heilongjiang Province the Harbin science and technology innovation talents research Foundation
主 题：bimetallic phosphides N-doped carbon self-support hydrogen evolution oxygen evolution
摘 要：A highly active bi-functional electrocatalyst towards both hydrogen and oxygen evolution reactions is critical for the water splitting. Herein, a self-supported electrode composed of 3D network nanostructured NiCoP nanosheets grown on N-doped carbon coated Ni foam （NiCoP/NF@NC） has been synthesized by a hydrothermal route and a subsequent phosphorization process. As a bifunctional electrocatalyst, the NiCoP/NF@NC electrode needs overpotentials of 31.8 mV for hydrogen evolution reaction and 308.2 mV for oxygen evolution reaction to achieve the current density of 10 mA·cm^-2 in 1 mol·L^-1 KOH electrolyte. This is much better than the correspond- ing monometal catalysts of CoP/NF@NC and NiP/ NF@NC owing to the synergistic effect. NiCoP/NF@NC also exhibits low Tafel slope, and excellent long-term stability, which are comparable to the commercial noble catalysts of Pt/C and RuO2.
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