Carbon cloth-MnO2 nanotube composite for flexible supercapacitor

被引：26
作者：
Soni, Sumit [1 ]
Pareek, Kapil [2 ]
Jangid, Dinesh Kumar [3 ]
Rohan, Rupesh [4 ]
机构：
[1] Amity Univ, Dept Chem, Jaipur, Rajasthan, India
[2] Malaviya Natl Inst Technol, Ctr Energy & Environm, Jaipur 302017, Rajasthan, India
[3] Univ Rajasthan, Dept Chem, Jaipur, Rajasthan, India
[4] Indian Rubber Manufacturers Res Assoc, Thana, Maharashtra, India
来源：
ENERGY STORAGE | 2020年 / 2卷 / 06期
关键词：
cyclic voltammetry; energy storage; hydrothermal method; specific capacitance; supercapacitor; HYDROTHERMAL SYNTHESIS; MNO2; NANOFLAKES; ENERGY-STORAGE; METAL-OXIDE; ELECTRODE; GRAPHENE; GROWTH; FOAM; ARRAYS;
D O I：
10.1002/est2.189
中图分类号：
TE [石油、天然气工业]; TK [能源与动力工程];
学科分类号：
0807 ; 0820 ;
摘要：
Three-dimensional MnO2 nanorods were synthesized on a carbon cloth (CC) via hydrothermal method to fabricate binder-free electrode for flexible supercapacitor application. The fabricated MnO2/CC electrode exhibits specific capacitance of 487Fg(-1) at current density of 2Ag(-1) in conventional three electrode system using 1 M Na2SO4 electrolyte. Furthermore, a flexible symmetric supercapacitor is assembled using 1M Na2SO4 electrolyte which shows maximum specific capacitance of 232Fg(-1) at current density of 0.5Ag(-1). The supercapacitor exhibits specific energy up to 5.18Whkg(-1) and specific power of 242Wkg(-1) at 0.5 and 1.0 Ag-1, respectively. Furthermore, the supercapacitor exhibits specific capacitance retention of 91.7% over 1000 charging discharging cycles. The attractive performance suggests that MnO2/CC supercapacitor has potential application for energy storage.
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页数：7
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