A facile one-step strategy involving the reaction of antimony chloride with thioacetamide at room temperature is successfully de-veloped for the synthesis of strongly coupled amorphous Sb_(2)S_(3)spheres and carbon na...A facile one-step strategy involving the reaction of antimony chloride with thioacetamide at room temperature is successfully de-veloped for the synthesis of strongly coupled amorphous Sb_(2)S_(3)spheres and carbon nanotubes(CNTs).Benefiting from the unique amorphous structure and its strongly coupled effect with the conductive network of CNTs,this hybrid electrode(Sb_(2)S_(3)@CNTs)exhibits remarkable sodi-um and lithium storage properties with high capacity,good cyclability,and prominent rate capability.For sodium storage,a high capacity of 814 mAh·g^(−1)at 50 mA·g^(−1)is delivered by the electrode,and a capacity of 732 mAh·g^(−1)can still be obtained after 110 cycles.Even up to 2000 mA·g^(−1),a specific capacity of 584 mAh·g^(−1)can be achieved.For lithium storage,the electrode exhibits high capacities of 1136 and 704 mAh·g^(−1)at 100 and 2000 mA·g^(−1),respectively.Moreover,the cell holds a capacity of 1104 mAh·g^(−1)under 100 mA·g^(−1)over 110 cycles.Simple preparation and remarkable electrochemical properties make the Sb_(2)S_(3)@CNTs electrode a promising anode for both sodium-ion(SIBs)and lithium-ion batteries(LIBs).展开更多
文摘A facile one-step strategy involving the reaction of antimony chloride with thioacetamide at room temperature is successfully de-veloped for the synthesis of strongly coupled amorphous Sb_(2)S_(3)spheres and carbon nanotubes(CNTs).Benefiting from the unique amorphous structure and its strongly coupled effect with the conductive network of CNTs,this hybrid electrode(Sb_(2)S_(3)@CNTs)exhibits remarkable sodi-um and lithium storage properties with high capacity,good cyclability,and prominent rate capability.For sodium storage,a high capacity of 814 mAh·g^(−1)at 50 mA·g^(−1)is delivered by the electrode,and a capacity of 732 mAh·g^(−1)can still be obtained after 110 cycles.Even up to 2000 mA·g^(−1),a specific capacity of 584 mAh·g^(−1)can be achieved.For lithium storage,the electrode exhibits high capacities of 1136 and 704 mAh·g^(−1)at 100 and 2000 mA·g^(−1),respectively.Moreover,the cell holds a capacity of 1104 mAh·g^(−1)under 100 mA·g^(−1)over 110 cycles.Simple preparation and remarkable electrochemical properties make the Sb_(2)S_(3)@CNTs electrode a promising anode for both sodium-ion(SIBs)and lithium-ion batteries(LIBs).
