Citation: LI Wei, ZHAO Jiang-hong, ZHANG Yong, LI Kai-xi, DUAN Dong-hong. Preparation of MoS₂/Ti_xO_y catalysts via a one-pot solvothermal method for electrocatalytic water splitting to produce hydrogen[J]. Journal of Fuel Chemistry and Technology, ;2019, 47(9): 1090-1095. shu

Preparation of MoS₂/Ti_xO_y catalysts via a one-pot solvothermal method for electrocatalytic water splitting to produce hydrogen

LI Wei ^1,2 ,
ZHAO Jiang-hong ^3,, ,
ZHANG Yong ⁴ ,
LI Kai-xi ^1,, ,
DUAN Dong-hong ⁴

1.
Institute of Coal Chemistry of Chinese Academy of Science, Taiyuan 030001, China
2.
University of Chinese Academy of Sciences, Beijing 100049, China
3.
Research Center for Fine Chemicals Engineering, Shanxi University, Taiyuan 030006, China
4.
School of Chemisty and Chemical Engineering, Taiyuan University of Technology, Taiyuan 030024, China

Corresponding author: ZHAO Jiang-hong, likx@sxicc.ac.cn LI Kai-xi, zjh_sx@sxicc.ac.cn
Received Date: 19 March 2019
Revised Date: 12 June 2019

Fund Project: the Natural Science Foundation of Shanxi Province for Excellent Young Scholars 201601D021006National Natural Science Foundation of China 21776168The project was supported by the Natural Science Foundation of Shanxi Province for Excellent Young Scholars (201601D021006) and National Natural Science Foundation of China (21776168)

Figures(9)

A series of MoS₂/Ti_xO_y catalysts were prepared by a one pot solvothermal synthesis method and the effects of solvent, sulfur source, molybdenum source and titanium subdioxide conductive agent on the electrocatalytic activity of MoS₂/Ti_xO_y in hydrogen evolution from water splitting were investigated. The results showed that the crystal structure of MoS₂/Ti_xO_y catalyst as well as its catalytic performance is greatly influenced by the solvent, sulfur source, molybdenum source and titanium subdioxide conductive agent. Water, sulfur and molybdenum sources which can produce ammonium ions via hydrolysis, and the conductive agents are beneficial to improving the hydrogen evolution activity of the MoS₂/Ti_xO_y catalyst in water splitting. In particular, with water as the solvent, thioacetamide and ammonium molybdate as the sulfur and molybdenum sources, respectively, the MoS₂/Ti_xO_y catalyst with the highest hydrogen evolution activity was obtained; it needs only 280 mV overpotential to reach 10 mA/cm² current density in the electrolysis of water.
- hydrogen evolution,
- MoS₂/Ti_xO_y,
- solvothermal synthesis,
- water splitting
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Preparation of MoS2/TixOy catalysts via a one-pot solvothermal method for electrocatalytic water splitting to produce hydrogen

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Preparation of MoS₂/Ti_xO_y catalysts via a one-pot solvothermal method for electrocatalytic water splitting to produce hydrogen