Issue 12, 2018

One-pot synthesis of highly stable carbon–MoS2 nanosphere electrodes using a co-growth mechanism for supercapacitors

Abstract

In order to enhance the capacity and stability of a supercapacitor electrode at high current density, a carbon–molybdenum sulfide (C–MoS2) nanosphere is prepared in a one-pot synthesis using a co-growth mechanism. With the help of the co-growth mechanism, part of the MoS2 is embedded in a carbon supporter, which makes two components well blended. Besides an increase in the stability, the carbon supporter also helps to decrease the impedance of the composite electrode. As the result, the composite materials show high specific capacitance (1000 F g−1 at 1 A g−1) and excellent stability (capacity retention rate of 93%) at a large current density (20 A g−1) for a long cycle life (20 000 cycles). When the C–MoS2//AC–ASC is fabricated, it demonstrates a high energy density of 32 W h kg−1 when the power density reaches 224.58 W kg−1, revealing its viability and potential for practical applications.

Graphical abstract: One-pot synthesis of highly stable carbon–MoS2 nanosphere electrodes using a co-growth mechanism for supercapacitors

Supplementary files

Article information

Article type
Paper
Submitted
21 Mar 2018
Accepted
04 May 2018
First published
08 May 2018

New J. Chem., 2018,42, 10111-10117

One-pot synthesis of highly stable carbon–MoS2 nanosphere electrodes using a co-growth mechanism for supercapacitors

W. Luo, G. Zhang, Y. Cui, Y. Liu, C. Jin, J. Hao, J. Zhang and W. Zheng, New J. Chem., 2018, 42, 10111 DOI: 10.1039/C8NJ01387J

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