Hierarchically-structured Co3O4 nanowire arrays grown on carbon nanotube fibers as novel cathodes for high-performance wearable fiber-shaped asymmetric supercapacitors

doi:10.1016/j.apsusc.2018.03.244

	Hierarchically-structured Co3O4 nanowire arrays grown on carbon nanotube fibers as novel cathodes for high-performance wearable fiber-shaped asymmetric supercapacitors
	Sun, Juan 1,2,3; Man, Ping ; Zhang, Qichong ; He, Bing ; Zhou, Zhenyu ; Li, Chaowei ; Wang, Xiaona ; Guo, Jiabin ; Zhao, Jingxin ; Xie, Liyan
刊名	APPLIED SURFACE SCIENCE
	2018
卷号	447 页码:795
关键词	Co3O4 Carbon nanotube fibers Specific capacitance Fiber-shaped asymmetric supercapacitor
ISSN号	0169-4332
DOI	10.1016/j.apsusc.2018.03.244
英文摘要	Fiber-shaped supercapacitors (FSCs) are lightweight and flexible energy storage devices that have potential applications in portable and wearable electronics. However, FSCs have flawed energy density stemming from a small specific capacitance and low operating voltage, which limits their practical application. This study puts forth a simple and effective approach to grow well-aligned three-dimensional cobalt oxide nanowire arrays (Co3O4 NWAs) directly on carbon nanotube fibers (CNTFs). The hybrid fibers obtained an ultrahigh specific capacitance of 734.25 F cm(-3) (2210 mF cm(-2)) in a three-electrode system. Benefiting from their intriguing features, we successfully fabricated an all-solid-state fiber-shaped asymmetric supercapacitor (FASC) prototype with a stable potential window of 1.6 V. Where the vanadium nitride nanowires/carbon nanotube fibers (VN NWAs/CNTFs) acted as negative electrode and the KOH poly(vinyl alcohol) (PVA) worked as the gel electrolyte. The electrochemical results suggested that the device possessed a high energy density of 13.2 mWh cm(-3) at a current density of 1.0 A cm(-3). Besides, the FASC exhibited excellent mechanical flexibility and structural stability. Therefore, this device has great potential for next-generation wearable energy-storage devices. (C) 2018 Elsevier B.V. All rights reserved.
学科主题	Chemistry, Physical ; Materials Science, Coatings & Films ; Physics, Applied ; Physics, Condensed Matter
出版者	ELSEVIER SCIENCE BV
WOS记录号	WOS:000432795500096
资助机构	This work was supported by National Natural Science Foundation of China (Nos. 51522211, 51372265, 51528203, and 51602339), the Key Research Program of Frontier Science of Chinese Academy of Sciences (No. QYZDB-SSW-SLH031), the Thousand Youth Talents Plan, the Postdoctoral Foundation of China (No. 2016M601905), the Natural Science Foundation of Jiangsu Province, China (Nos. BK20160399 and BK20140392), the Transformation of Scientific and Technological Achievements in Jiangsu Province (No. BA2016026), the Postdoctoral Foundation of Jiangsu Province (No. 1601065B), and the Science and Technology Project of Suzhou, China (Nos. SZS201508, ZXG201428 and ZXG201401). ; This work was supported by National Natural Science Foundation of China (Nos. 51522211, 51372265, 51528203, and 51602339), the Key Research Program of Frontier Science of Chinese Academy of Sciences (No. QYZDB-SSW-SLH031), the Thousand Youth Talents Plan, the Postdoctoral Foundation of China (No. 2016M601905), the Natural Science Foundation of Jiangsu Province, China (Nos. BK20160399 and BK20140392), the Transformation of Scientific and Technological Achievements in Jiangsu Province (No. BA2016026), the Postdoctoral Foundation of Jiangsu Province (No. 1601065B), and the Science and Technology Project of Suzhou, China (Nos. SZS201508, ZXG201428 and ZXG201401).
内容类型	期刊论文
源URL	[http://ir.sic.ac.cn/handle/331005/24802]
专题	中国科学院上海硅酸盐研究所
作者单位	1.Chinese Acad Sci, CAS Ctr Excellence Nanosci, Suzhou Inst Nanotech & Nanobion, Div Adv Nanomat,Key Lab Nanodevices & Applicat, Suzhou 215123, Peoples R China 2.ShanghaiTech Univ, Sch Phys Sci & Technol, Shanghai 200120, Peoples R China 3.Univ Chinese Acad Sci, Shanghai Inst Ceram, State Key Lab High Performance Ceram & Superfine, 1295 Dingxi Rd, Shanghai 200050, Peoples R China 4.Univ Chinese Acad Sci, Beijing 100049, Peoples R China 5.Univ Macau, Inst Appl Phys & Mat Engn, Ave Univ, Taipa, Macao, Peoples R China
推荐引用方式 GB/T 7714	Sun, Juan,Man, Ping,Zhang, Qichong,et al. Hierarchically-structured Co3O4 nanowire arrays grown on carbon nanotube fibers as novel cathodes for high-performance wearable fiber-shaped asymmetric supercapacitors[J]. APPLIED SURFACE SCIENCE,2018,447:795, 801.
APA	Sun, Juan.,Man, Ping.,Zhang, Qichong.,He, Bing.,Zhou, Zhenyu.,...&Yao, Yagang.(2018).Hierarchically-structured Co3O4 nanowire arrays grown on carbon nanotube fibers as novel cathodes for high-performance wearable fiber-shaped asymmetric supercapacitors.APPLIED SURFACE SCIENCE,447,795.
MLA	Sun, Juan,et al."Hierarchically-structured Co3O4 nanowire arrays grown on carbon nanotube fibers as novel cathodes for high-performance wearable fiber-shaped asymmetric supercapacitors".APPLIED SURFACE SCIENCE 447(2018):795.