Directly deposited MoS2 thin film electrodes for high performance supercapacitors
- Directly deposited MoS2 thin film electrodes for high performance supercapacitors
- N. Choudhary; M. Patel; Y.H. Ho; N.B. Dahotre; 이원기; 황준연; W. Choi
- MoS2; Supercapacitor; TEM; thin film
- Issue Date
- Journal of materials chemistry. A, Materials for energy and sustainability
- VOL 3, NO 47, 24049-24054
- Two dimensional (2D) layered materials have recently attracted significant research interest owing to their unique physical and chemical properties for efficient electrochemical energy storage devices. Here, we present a neoteric approach to fabricate high performance MoS2 thin film supercapacitor electrodes by using a direct magnetron sputtering technique. The novel three-dimensional (3D) porous structure of the MoS2 film exhibits an excellent capacitance of similar to 330 F cm(-3) along with a high volumetric power and energy density of 40-80 W cm(-3) and 1.6-2.4 mW h cm(-3), respectively. Moreover, the optimized MoS2 electrode shows an outstanding cyclic stability, yielding capacitance retention over 97% after 5000 cycles of charging/discharging. The contemporary approach to MoS2 supercapacitor electrode fabrication will enable new opportunities in flexible electronic and energy devices.
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