J. Electrochem. Sci. Eng.  

One-step synthesis of mesoporous carbon/ iron sulfide nanocomposite for supercapacitors

Xiaolong Yu, Bogang Li


Mesoporous C@FexSy composite as a negative electrode for supercapacitors was synthesized via a one-step hydrothermal treatment followed by an electrodeposition process and its electrochemical properties were studied. Compared with bare carbon sphere, the electrochemical performance of C@FexSy composite was significantly improved, with a high specific capacitance (267.45 F/g), good rate performance (201.08 F/g at 2.5 A/g), and superior cycling stability (almost no capacitance degradation after 1000 cycles). The results show that the obtained C@FexSy composite is a promising negative electrode material for supercapacitors


Carbonaceous materials; porous structure; hydrothermal treatment; electrochemical properties; energy storage

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DOI: http://dx.doi.org/10.5599/jese.572

jESE : : Open Access Journal  :  : ISSN 1847-9286