Synthesis and Characterization of GO/V2O5 Thin Film Supercapacitor

被引：29
|
作者：
Korkmaz, S. [1 ]
Tezel, F. Meydaneri [1 ]
Kariper, I. A. [2 ,3 ]
机构：
[1] Karabuk Univ, Fac Engn, Dept Met & Mat Engn, TR-78050 Karabuk, Turkey
[2] Erciyes Univ, Fac Educ, TR-38039 Kayseri, Turkey
[3] Erciyes Teknopk, Bldg 1 41, TR-38039 Kayseri, Turkey
来源：
SYNTHETIC METALS | 2018年 / 242卷
关键词：
Thin film; Supercapacitor; Graphene oxide; Vanadium pentoxide; CBD; ELECTROCHEMICAL CAPACITORS; COMPOSITE ELECTRODES; V2O5; TEMPERATURE;
D O I：
10.1016/j.synthmet.2018.05.002
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
For potential applications in supercapacitors, Graphene oxide - Vanadium oxide structures exhibit high capacitance performance. In this study, GO was synthesized by Hummers Method and coated on substrate materials. Then, thin film supercapacitors glass/GO/VO, PMMA/GO/VO, FTO/ GO/VO and ITO/ GO/VO were fabricated successfully by chemical bath deposition method (CBD). Structural characterizations were investigated by SEM, XRD, FTIR, UV-VIS and AFM. I-V and C-s-V characteristics were investigated and energy densities were calculated at voltage range (from -0.2 to 1.2 V) at scanning potential 25, 50, 75 and 100 mV/s. At the scanning rate of 25 mV/s, the maximum capacitance values for glass/GO/VO, PMMA/GO/VO, FTO/GO/VO and ITO/GO/VO thin film supercapacitors structures were 880 F/g, 806.6 F/g, 949.6 F/g and 563.2 F/g; and the energy intensities were calculated as 85.4 W h/kg, 44.8 W h/kg, 15.78 W h/kg, 23.4 W h/kg, respectively.
引用
收藏
页码：37 / 48
页数：12
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