期刊
ELECTROCHIMICA ACTA
卷 198, 期 -, 页码 135-143出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.electacta.2016.03.058
关键词
MoS2/RGO/Ni3S2 composites; Supercapacitor; Nickel foam (NF); Reduced graphene oxide; Hydrothermal method
资金
- National Natural Science Foundation of China [20504026]
- Shanghai Natural Science Foundation [13ZR1411900]
- Shanghai Leading Academic Discipline Project [B502]
- Shanghai Key Laboratory Project [08DZ2230500]
- EU FP7 Staff Exchange program [PIRSES-GA-2012-318990-ELEKTRONANOMAT]
MoS2/RGO/Ni3S2 nanocomposite with a unique nanosheet-on-nanosheet structure was prepared through a hydrothermal process by depositing a MoS2 layer on the upper surface side of reduced graphene oxide (RGO) nanosheets and Ni3S2 layer on the lower surface sides. Furthermore, this, MoS2/RGO/Ni3S2 nanocomposite was simultaneously loaded on a Ni foam (NF) substrate. During the synthesis process, nickel foam serves not only as a support but also as the Ni source for the composite and a reductant of GO. When used as an electrochemical electrode, as-prepared MoS2/RGO/Ni3S2@NF, it exhibited excellent electrochemical performance with a high capacity of 8.841 F cm(-2) at 50 mA cm(-2), and excellent cyclability, exhibiting capacity retention of 98.4% after 11,000 charge-discharge cycles at the current density of 80 mA cm(-2). (C) 2016 Elsevier Ltd. All rights reserved.
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