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李海燕,韩耀,陈林辉,汪长安.用于超级电容器电极材料的MoS2/CoS2二元复合材料[J].稀有金属材料与工程(英文),2020,49(2):605~610.[Haiyan Li,Yao Han,Linhui Chen and Chang-An Wang.MoS2/CoS2 binary composites for supercapacitor electrode materials[J].Rare Metal Materials and Engineering,2020,49(2):605~610.]
MoS2/CoS2 binary composites for supercapacitor electrode materials
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Received:March 19, 2019  Revised:May 09, 2019
Key words: MoS2/CoS2 binary composites  Supercapacitors  Electrochemical properties  
Foundation item:国家自然科学基金资助项目(项目号51572145,51872159)
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Haiyan Li,Yao Han,Linhui Chen and Chang-An Wang  
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      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.