Carbon-modified Na2Ti3O7 • 2H2O nanobelts as redox active materials for high-performance supercapacitor

被引：50
作者：
Wang, Chuanshen [1 ]
Xi, Yi [1 ]
Wang, Mingjun [1 ]
Zhang, Chengshuang [1 ]
Wang, Xue [1 ]
Yang, Qi [1 ]
Li, Wenlong [1 ]
Hu, Chenguo [1 ]
Zhang, Dazhi [1 ]
机构：
[1] Chongqing Univ, Dept Appl Phys, Chongqing 400044, Peoples R China
来源：
NANO ENERGY | 2016年 / 28卷
关键词：
Na2Ti3O7 center dot 2H(2)O; C/Na-TNBs; PDMS; Flexible; Supercapacitor; REVERSIBLE LITHIUM INSERTION; ENERGY-STORAGE; ION-EXCHANGE; ELECTROCHEMICAL SUPERCAPACITORS; TITANATE NANOTUBES; HYBRID STRUCTURE; DESIGN; ELECTRODES; NANOWIRES; PSEUDOCAPACITOR;
D O I：
10.1016/j.nanoen.2016.08.021
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
The Na2Ti3O7 center dot 2H(2)O nanobelts (Na-TNBs) with layered structure have been prepared by simple hydro thermal method. The carbon modified Na-TNBs (C/Na-TNBs) supercapacitor has been encapsulated by the flexible and stretching PDMS (poly-dimethylsiloxane), which has flexible and stretching property. The capacitance of the device can attain 459.71 F g(-1) at scan rate of 25 mV/S and energy density of 33.2 Wh kg(-1) at power density 478 W kg(-1) and power density of 2.13 kW kg(-1) at energy density 25.36 Wh kg(-1). The retention of specific capacitance remains 74.3% after 6000 cycles at high current value of 35 mA. Three supercapacitors in series can light 100 green color commercial light emitting diodes (LEDs) for about 10 min. All these results indicate that the C/Na-TNBs nanomaterial could provide the potential application in high performance supercapacitor. (C) 2016 Elsevier Ltd. All rights reserved.
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页码：115 / 123
页数：9
相关论文
共 47 条
[1]   Carbon coated nano-LiTi2(PO4)3 electrodes for non-aqueous hybrid supercapacitors [J].
Aravindan, V. ;
Chuiling, W. ;
Reddy, M. V. ;
Rao, G. V. Subba ;
Chowdari, B. V. R. ;
Madhavi, S. .
PHYSICAL CHEMISTRY CHEMICAL PHYSICS, 2012, 14 (16) :5808-5814
[2]   Capacitive energy storage in micro-scale devices: recent advances in design and fabrication of micro-supercapacitors [J].
Beidaghi, Majid ;
Gogotsi, Yury .
ENERGY & ENVIRONMENTAL SCIENCE, 2014, 7 (03) :867-884
[3]   Ultrasensitive Na+ exchanging performance of free-standing Fe3O4@Na2Ti3O7 nanosheets indicated by fluorescein [J].
Cao, Xuebo ;
Xue, Xiudong ;
Zhu, Lianwen ;
Chen, Peng ;
Song, Yingying ;
Chen, Meng .
JOURNAL OF MATERIALS CHEMISTRY, 2010, 20 (12) :2322-2328
[4]   Different proportions of C/KCu7S4 hybrid structure for high-performance supercapacitors [J].
Dai, Shuge ;
Xi, Yi ;
Hu, Chenguo ;
Yue, Xule ;
Cheng, Lu ;
Wang, Guo .
JOURNAL OF POWER SOURCES, 2014, 263 :175-180
[5]   KCu7S4 nanowires and the Mn/KCu7S4 nanostructure for solid-state supercapacitors [J].
Dai, Shuge ;
Xi, Yi ;
Hu, Chenguo ;
Liu, Jianlin ;
Zhang, Kaiyou ;
Yue, Xule ;
Cheng, Lu .
JOURNAL OF MATERIALS CHEMISTRY A, 2013, 1 (48) :15530-15534
[6]   Alkali hexatitanates -: A2Ti6O13 (A = Na, K) as host structure for reversible lithium insertion [J].
Dominko, R. ;
Dupont, L. ;
Gaberscek, M. ;
Jamnik, J. ;
Baudrin, E. .
JOURNAL OF POWER SOURCES, 2007, 174 (02) :1172-1176
[7]   Reversible lithium insertion into Na2Ti6O13 structure [J].
Dominko, R ;
Baudrin, E ;
Umek, P ;
Arcon, D ;
Gaberscek, M ;
Jamnik, J .
ELECTROCHEMISTRY COMMUNICATIONS, 2006, 8 (04) :673-677
[8]   Flexible supercapacitors based on carbon nanotube/MnO2 nanotube hybrid porous films for wearable electronic devices [J].
Du, Lianhuan ;
Yang, Peihua ;
Yu, Xiang ;
Liu, Pengyi ;
Song, Jinhui ;
Mai, Wenjie .
JOURNAL OF MATERIALS CHEMISTRY A, 2014, 2 (41) :17561-17567
[9]   High performance NiMoO4 nanowires supported on carbon cloth as advanced electrodes for symmetric supercapacitors [J].
Guo, Di ;
Luo, Yazi ;
Yu, Xinzhi ;
Li, Qiuhong ;
Wang, Taihong .
NANO ENERGY, 2014, 8 :174-182
[10]   2D vanadium doped manganese dioxides nanosheets for pseudocapacitive energy storage [J].
Hu, Zhimi ;
Xiao, Xu ;
Huang, Liang ;
Chen, Chi ;
Li, Tianqi ;
Su, Tiecheng ;
Cheng, Xiaofeng ;
Miao, Ling ;
Zhang, Yanrong ;
Zhou, Jun .
NANOSCALE, 2015, 7 (38) :16094-16099
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