期刊
RSC ADVANCES
卷 7, 期 12, 页码 6856-6864出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/c6ra27901e
关键词
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资金
- National University of Singapore (NUS) [R284-000-142-112, R284-000-120-281, R-144-000-321-112]
- NUS Graduate School for Integrative Sciences and Engineering for NGS Scholarship
Herein, we report the application of amorphous molybdenum sulfide (MoSx, x approximate to 3) as the main active material for supercapacitor electrodes. MoSx was deposited at room temperature onto a high specific surface area electrode made of graphene-carbon nanotube hybrids directly grown on carbon paper (GCNT/CP), using an electrochemical deposition method. The MoSx/GCNT/CP electrode showed high specific capacitance. A gravimetric specific capacitance of 414 F g(-1) was demonstrated at a constant discharge rate of 0.67 A g(-1). The deposition of MoSx onto a conductive, high surface area support played a crucial role for a high specific capacitance. An up to 4.5-fold enhancement in specific capacitance was demonstrated when MoSx was deposited on GCNT/CP as compared to MoSx deposited on a simple carbon paper support. The MoSx/GCNT/CP electrode is suggested to be a novel candidate for supercapacitor applications.
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