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Journal of Materials Science: Materials in Electronics
Erschienen in: Journal of Materials Science: Materials in Electronics 12/2020

06.05.2020

Hydrothermal preparation of CQDs/MoS2/NiSe2 composite as electrode material for supercapacitor

verfasst von: Jiahong Zheng, Kangkang Cheng, Runmei Zhang, Yuntao Wu, Yamei Yang, Pengfei Yu

Erschienen in: Journal of Materials Science: Materials in Electronics | Ausgabe 12/2020

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Abstract

A simple hydrothermal method was used to synthesize four kinds of electrode materials (NiSe2, MoS2, MoS2/NiSe2 composite, and CQDs/MoS2/NiSe2 composite). Structures and electrochemical performance were investigated. Among the four kinds of electrode materials, CQDs/MoS2/NiSe2 composite has excellent performance. The specific capacitance of the CQDs/MoS2/NiSe2 composite can be as high as 1540.7 F g−1 at a current density of 5 A g−1, which is higher than that of NiSe2 (830.9 F g−1), MoS2 (82.2 F g−1) and MoS2/NiSe2 composite (1289.7 F g−1). After 2000 cycles, the specific capacitance of the CQDs/MoS2/NiSe2 composite can be retained by 80.6% at 20 A g−1, indicating its good cycling stability. The experiment results show that the CQDs/MoS2/NiSe2 composite has promising electrochemical energy storage application in supercapacitors.
Vorheriger Artikel Microstructure, ferroelectric and piezoelectric properties of MnO2-modified Ba0.70Ca0.30TiO3 lead-free ceramics
Nächster Artikel Synthesis of MoS2/CdS nanospheres enhanced photocatalytic hydrogen evolution under visible light

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Metadaten
Titel
Hydrothermal preparation of CQDs/MoS2/NiSe2 composite as electrode material for supercapacitor
verfasst von
Jiahong Zheng
Kangkang Cheng
Runmei Zhang
Yuntao Wu
Yamei Yang
Pengfei Yu
Publikationsdatum
06.05.2020
Verlag
Springer US
Erschienen in
Journal of Materials Science: Materials in Electronics / Ausgabe 12/2020
Print ISSN: 0957-4522
Elektronische ISSN: 1573-482X
DOI
https://doi.org/10.1007/s10854-020-03476-7

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