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化学工业与工程 2017, Vol. 34 Issue (2) :21-26    DOI: 10.13353/j.issn.1004.9533.20151067
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石墨烯负载MoS2-Ni2P纳米颗粒作为析氢电催化剂
秦瑞杰, 张占男, 王宇新
天津大学化工学院, 化学工程联合国家重点实验室, 天津 300072
MoS2-Ni2P Nanoparticles Supported on Graphene as Electrocatalyst towards Hydrogen Evolution Reaction
Qin Ruijie, Zhang Zhannan, Wang Yuxin
School of Chemical Engineering and Technology, State Key Laboratory of Chemical Engineering, Tianjin University, Tianjin 300072, China

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摘要 

寻找高效廉价的析氢催化剂是"氢经济"中关键一步。通过溶剂热法合成以还原氧化石墨烯(RGO)为载体的Ni2P纳米颗粒和MoS2复合材料。在酸性条件下,该复合材料对析氢反应表现出较高的催化活性和稳定性,当电流密度为10 mA·cm-2时过电位为160 mV,塔菲尔斜率为35.9 mV·dec-1。Ni2P和MoS2之间的协同效应用氢溢流理论进行了解释。

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秦瑞杰
张占男
王宇新
关键词二硫化钼;   磷化镍;   析氢反应;   电催化剂     
Abstract

Finding low-cost and efficient electrocatalysts towards hydrogen evolution reaction (HER) is a crucial step towards a sustainable "hydrogen economy". In this paper, MoS2-Ni2P/reduced graphene oxide (RGO) has been prepared by a solvothermal reaction. The MoS2-Ni2P/RGO composite exhibits high HER activity in the acidic media, with overpotentials of 160 mV at the current density of 10 mA·cm-2 and a low Tafel slope of 35.9 mV·dec-1. The synergistic effect of the combination of Ni2P and MoS2 is attributed to hydrogen spillover from Ni2P to MoS2.

Keywordsmolybdenum disulfide;   nickel phosphide;   hydrogen evolution reaction;   electrocatalyst     
Received 2015-04-25;
Corresponding Authors: 王宇新,E-mail:yxwang@tju.edu.cn。     Email: yxwang@tju.edu.cn
About author: 秦瑞杰(1990-),男,硕士研究生,现从事电化学方面的研究。
引用本文:   
秦瑞杰, 张占男, 王宇新.石墨烯负载MoS2-Ni2P纳米颗粒作为析氢电催化剂[J].  化学工业与工程, 2017,34(2): 21-26
Qin Ruijie, Zhang Zhannan, Wang Yuxin.MoS2-Ni2P Nanoparticles Supported on Graphene as Electrocatalyst towards Hydrogen Evolution Reaction[J].  Chemcial Industry and Engineering, 2017,34(2): 21-26
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