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MoS2/CoS2 binary composites for supercapacitor electrode materials
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1.State Key Laboratory of New Ceramics and Fine Processing,School of Materials Science and Engineering,Tsinghua University;2.PR China;3.Aerospace Institute of Advanced Materials Processing Technology;4.PR ChinaState Key Lab of New

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    Abstract:

    A facile one-step hydrothermal process was used to prepare MoS2/CoS2 binary composites with different raw material ratio as electrode material for supercapacitors. Results of electrochemical performances show that MoS2/CoS2 binary composites exhibit competitive specific capacitance (549 F/g at 2 mV/s or 434 F/g at 1 A/g) and excellent cycling stability as the molar ratio of Mo: Co=2:1 in raw material. And microstructure and morphology analyses reveal that the MoS2/CoS2 binary composites were composed of octahedron-shaped CoS2 and flower-liked MoS2. Above all, due to the coupling two species, large surface areas and tunable compositions, the obtained MoS2/CoS2 binary composites electrodes possess the best electrochemical properties.

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[Haiyan Li, Yao Han, Linhui Chen, Chang-An Wang. MoS2/CoS2 binary composites for supercapacitor electrode materials[J]. Rare Metal Materials and Engineering,2020,49(2):605~610.]
DOI:10.12442/j. issn.1002-185X. QH20190040

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History
  • Received:March 19,2019
  • Revised:May 09,2019
  • Adopted:October 23,2019
  • Online: March 12,2020
  • Published: