Three-dimensional MoS2/rGO nanocomposites with homogeneous network structure for supercapacitor electrodes

  • Jun Bao
  • Xiao-Fei ZengEmail author
  • Xie-Jun Huang
  • Ri-Kui Chen
  • Jie-Xin Wang
  • Liang-Liang ZhangEmail author
  • Jian-Feng Chen
Energy materials


Molybdenum disulfide/graphene (MoS2/rGO) nanocomposites are a promising candidate for energy storage materials. However, it is still a challenge to uniformly disperse MoS2 on rGO nanosheets, which the performance mainly depends on. In this work, we demonstrate a novel method to synthesize the three-dimensional (3D) MoS2/rGO nanocomposites by the high-gravity reactive precipitation in a rotating packed bed (RPB) reactor combined with the hydrothermal method. The prepared nanocomposites have higher purity and larger specific surface area than that prepared in the traditional stirred tank reactor (STR). More importantly, MoS2 is uniformly and densely dispersed on rGO nanosheets, resulting in the formation of an even 3D network structure and contributing to the achievement of excellent energy storage performance. The specific capacitance of the nanocomposites reaches 294 F g−1 at a scan rate of 20 mV s−1, which is obviously higher than that of pure MoS2 (122 F g−1) and rGO (23 F g−1). The calculated energy density and power density are 57 Wh kg−1 and 50 W kg−1, respectively. Moreover, the preparation process is environmentally friendly, controllable and suitable for a large-scale production, which is significantly important for the development of the electrode materials applied in the supercapacitors.



Rotating packed bed


Stirred tank reactor


Molybdenum trisulfide/graphene oxide nanocomposites


Molybdenum disulfide/graphene nanocomposites


Molybdenum disulfide/graphene nanocomposites prepared by RPB


Molybdenum disulfide/graphene nanocomposites prepared by STR


Gravimetric specific capacitance



This work was financially supported by the National Key Research and Development Program of China (2016YFA0201701/2016YFA0201700) and the National Natural Science Foundation of China (21776016).

Compliance with ethical standards

Conflict of interest

The authors declare that they have no conflict of interest.


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Authors and Affiliations

  1. 1.State Key Laboratory of Organic-Inorganic CompositesBeijing University of Chemical TechnologyBeijingPeople’s Republic of China
  2. 2.Research Center of the Ministry of Education for High Gravity Engineering and TechnologyBeijing University of Chemical TechnologyBeijingPeople’s Republic of China
  3. 3.Beijing Advanced Innovation Center for Soft Matter Science and EngineeringBeijing University of Chemical TechnologyBeijingPeople’s Republic of China

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