期刊
ELECTROCHEMISTRY COMMUNICATIONS
卷 28, 期 -, 页码 75-78出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.elecom.2012.11.035
关键词
Supercapacitors; WS2 nanoparticles; Carbon tubes; Encapsulation; AAO template
The present communication reports on the preparation of WS2 nanoparticles-encapsulated amorphous carbon tubes (WS(2)NPs/CTs) via two-step processes. Firstly, CTs were grown in anodic aluminum oxide (MO) film by hydrothermal carbonization of glucose. Secondly, the as-prepared CTs/AAO film was impregnated with (NH4)(2)WS4 followed by high temperature treatment in Ar atmosphere. We further demonstrate the application of the resulting WS2NP/CT composites as a novel electrode material for supercapacitor. Such composites were found to deliver a specific capacitance of 337 F/g at a high current density of 10 A/g with good cycle stability. (C) 2012 Elsevier B.V. All rights reserved.
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