4.7 Article

One-step hydrothermal synthesis of a CoS2@MoS2 nanocomposite for high-performance supercapacitors

期刊

JOURNAL OF ALLOYS AND COMPOUNDS
卷 742, 期 -, 页码 844-851

出版社

ELSEVIER SCIENCE SA
DOI: 10.1016/j.jallcom.2018.01.324

关键词

MoS2; CoS2; Flower-like structure; Supercapacitors

资金

  1. National Natural Science Foundation of China [51501221]
  2. China Postdoctoral Science Foundation [2016M591954]

向作者/读者索取更多资源

A MoS2-coated CoS2 composite has been prepared successfully via a one-step hydrothermal method. This CoS2@MoS2 hybrid material has a distinct morphology with few-layer MoS2 wrapping the CoS2 nanoparticles. Serving as a supercapacitor electrode, the obtained CoS2@MoS2 hybrid material exhibits a remarkable specific capacitance of 1038 F/g, a high rate capability of 71.7%, and excellent cycling stability of 84.76% retention after 10000 cycles. The superior electrochemical properties of the CoS2@MoS2 nanocomposite are attributed to the synergistic effects between the layered MoS2 and conductive CoS2. (c) 2018 Elsevier B.V. All rights reserved.

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