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Flexible and Wire-Shaped Micro-Supercapacitor Based on Ni(OH)2-Nanowire and Ordered Mesoporous Carbon Electrodes
Dong, XL; Guo, ZY; Song, YF; Hou, MY; Wang, JQ; Wang, YG; Xia, YY; ygwang@fudan.edu.cn; yyxia@fudan.edu.cn
2014
Source PublicationADVANCED FUNCTIONAL MATERIALS
ISSN1616-301X
Volume24Issue:22Pages:3405—3412
AbstractPortable and multifunctional electronic devices are developing in the trend of being small, flexible, roll-up, and even wearable, which asks us to develop flexible and micro-sized energy conversion/storage devices. Here, the high performance of a flexible, wire-shaped, and solid-state micro-supercapacitor, which is prepared by twisting a Ni(OH)2-nanowire fiber-electrode and an ordered mesoporous carbon fiber-electrode together with a polymer electrolyte, is demonstrated. This micro-supercapacitor displays a high specific capacitance of 6.67 mF cm-1 (or 35.67 mF cm-2) and a high specific energy density of 0.01 mWh cm-2 (or 2.16 mWh cm-3), which are about 10-100 times higher than previous reports. Furthermore, its capacitance retention is 70% over 10 000 cycles, indicating perfect cyclic ability. Two wire-shaped micro-supercapacitors (0.6 mm in diameter, approximate to 3 cm in length) in series can successfully operate a red light-emitting-diode, indicating promising practical application. Furthermore, synchrotron radiation X-ray computed microtomography technology is employed to investigate inner structure of the micro-device, confirming its solid-state characteristic. This micro-supercapacitor may bring new design opportunities of device configuration for energy-storage devices in the future wearable electronic area.
KeywordAll-solid-state Energy-storage Ultrahigh Capacitance Nickel-hydroxide Films Battery Fiber Paper Performance Composites
Indexed BySCI
Language英语
WOS IDWOS:000337490600020
Citation statistics
Cited Times:238[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.sinap.ac.cn/handle/331007/14146
Collection中科院上海应用物理研究所2011-2019年
Corresponding Authorygwang@fudan.edu.cn; yyxia@fudan.edu.cn
Recommended Citation
GB/T 7714
Dong, XL,Guo, ZY,Song, YF,et al. Flexible and Wire-Shaped Micro-Supercapacitor Based on Ni(OH)2-Nanowire and Ordered Mesoporous Carbon Electrodes[J]. ADVANCED FUNCTIONAL MATERIALS,2014,24(22):3405—3412.
APA Dong, XL.,Guo, ZY.,Song, YF.,Hou, MY.,Wang, JQ.,...&yyxia@fudan.edu.cn.(2014).Flexible and Wire-Shaped Micro-Supercapacitor Based on Ni(OH)2-Nanowire and Ordered Mesoporous Carbon Electrodes.ADVANCED FUNCTIONAL MATERIALS,24(22),3405—3412.
MLA Dong, XL,et al."Flexible and Wire-Shaped Micro-Supercapacitor Based on Ni(OH)2-Nanowire and Ordered Mesoporous Carbon Electrodes".ADVANCED FUNCTIONAL MATERIALS 24.22(2014):3405—3412.
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