期刊
ACS APPLIED MATERIALS & INTERFACES
卷 7, 期 46, 页码 25568-25573出版社
AMER CHEMICAL SOC
DOI: 10.1021/acsami.5b08716
关键词
solvothermal synthesis; nanutubes; cobalt sulfides; electrochemistry; supercapacitor
资金
- Chongqing Key Laboratory for Advanced Materials and Technologies of Clean Energies [cstc2011 pt-sy90001]
- Southwest University (Chongqing, China) [SWU111071]
- Technology Commission [cstc2012gjhz90002]
- National Natural Science Foundation of China [21063014, 21163021]
- Fundamental Research Funds for the Central Universities [SWU 113079, XDJK2014C051]
Ultralong cobalt sulfide (CoS1.097) nanotube networks are synthesized by a simple one-step solvothermal method without any surfactant or template. A possible formation mechanism for the growth processes is proposed. Owing to the hollow structure and large specific area, the novel CoS1.097 materials present outstanding electrochemical properties. Electrochemical measurements for supercapacitors show that the as-prepared ultralong CoS1.097 nanotube networks exhibit high specific capacity, good capacity retention, and excellent Coulombic efficiency.
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