Two-Dimensional Materials Assembled Bubble Foam-like Hybrid for Supercapacitor Applications

doi:10.11944/j.issn.1000-0518.2018.03.170437

Chinese Journal of Applied Chemistry ›› 2018, Vol. 35 ›› Issue (3): 351-355.DOI: 10.11944/j.issn.1000-0518.2018.03.170437

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Two-Dimensional Materials Assembled Bubble Foam-like Hybrid for Supercapacitor Applications

YE Shaofeng^a‡,LIU Wenxian^a‡,SHA Dongyong^a,XU Xilian^a,SHI Wenhui^b^*(),CAO Xiehong^a^*()

^aCollege of Materials Science and Engineering;^bCenter for Membrane Separation and Water Science & Technology,Ocean College,Zhejiang University of Technology,Hangzhou 310014,China

Received:2017-12-04 Accepted:2017-12-27 Published:2018-03-05 Online:2018-02-12
Contact: SHI Wenhui,CAO Xiehong
Supported by:
Supported by the National Natural Science Foundation of China(No.51602284, No.51702286), the Zhejiang Provincial Natural Science Foundation(No.LQI7B030002)

Abstract

Abstract:

Using nickel particles formed in a high-temperature treatment of nickel chloride as a template, sucrose and ethanol as carbon sources, the bubble foam-like porous graphene films were prepared. Using the obtained porous graphene films as the substrate, a MoS₂/graphene 2D bubble foam-like hybrid was prepared through an impregnation-anneal method. The morphology, composition and structure of the material were studied by scanning electron microscope(SEM), transmission electron microscope(TEM), Raman spectroscopy, and X-ray diffraction(XRD). Electrochemical tests indicate that the obtained bubble foam-like MoS₂/graphene 2D hybrid has excellent supercapacitor performances with a specific capacitance of 203.5 F/g, an areal capacitance of 280 mF/cm² as well as a high capacitance retention of ~80 % after 5000 charge/discharge cycles.

Key words: graphene, MoS₂, porous carbon, 2D nanomaterials, supercapacitors

YE Shaofeng, LIU Wenxian, SHA Dongyong, XU Xilian, SHI Wenhui, CAO Xiehong. Two-Dimensional Materials Assembled Bubble Foam-like Hybrid for Supercapacitor Applications[J]. Chinese Journal of Applied Chemistry, 2018, 35(3): 351-355.

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Two-Dimensional Materials Assembled Bubble Foam-like Hybrid for Supercapacitor Applications

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