Preparation of Ni-Doped MoS2 Microsphere and its Superior Electrocatalytic Hydrogen Evolution Ability

Yue Chan Xie; Yue Ming Li

doi:10.4028/www.scientific.net/AMR.871.206

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 871Preparation of Ni-Doped MoS2 Microsphere and its...

Preparation of Ni-Doped MoS₂ Microsphere and its Superior Electrocatalytic Hydrogen Evolution Ability

Abstract:

To find a cheap and effective hydrogen evolution reaction catalyst, a series of Ni-doped MoS₂ microspheres consisting of MoS₂ nanosheets have been prepared via hydrothermal synthesis and characterized by scanning electron microscopy (SEM), and X-ray powder diffraction (XRD). Their performance as electrochemical hydrogen evolution reaction (HER) catalyst was studied. It is found that the Ni-doped MoS₂ exhibited superior electrocatalytic activity in the HER to undoped MoS₂ catalysts. The overpotential of Ni-doped MoS₂ has decreased compared with that of undoped sample, indicating an improved activity in HER. Furthermore, the cathodic current for the Ni-doped MoS2 catalyst is about 9 times as much as that for undoped MoS2. Based on our findings, the resulting Ni-doped MoS₂ might be promising inexpensive alternative to platinum catalysts in hydrogen production.

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Periodical:

Advanced Materials Research (Volume 871)

Pages:

206-210

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.871.206

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Online since:

December 2013

Authors:

Yue Chan Xie*, Yue Ming Li

Keywords:

HER Reaction, Microshere, Ni-Doping

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