High electroactive material loading on a carbon nanotube/carbon nanofiber as an advanced free-standing electrode for asymmetric supercapacitors

doi:10.1039/c9cc01277j

SIC OpenIR

	High electroactive material loading on a carbon nanotube/carbon nanofiber as an advanced free-standing electrode for asymmetric supercapacitors
	Zhou, Yongsheng; Zhu, Yingchun; Xu, Bingshe; Zhang, Xueji
	2019-04-11
Source Publication	CHEMICAL COMMUNICATIONS
ISSN	1359-7345
Volume	55 Issue:28 Pages:4083
Subtype	Article
Abstract	3D hierarchical nanocomposites always lead to excellent electrochemical properties. In this research, we have successfully designed and synthesized a hierarchical three-dimensional cobalt sulfide encapsulated carbon nanotube/carbon nanofiber (Co9S8@CNT/CNF) composite, resulting in a high-performance supercapacitor with an unrivalled capacitance of approximate to 1580 F g(-1) at a current density of 1 A g(-1). An asymmetric supercapacitor (ASC) based on these 3D hierarchical Co9S8@CNT/CNF composites exhibits a maximum energy density of 58 W h kg(-1) at a power density of 1000 W kg(-1) and maintains it at 38 W h kg(-1) at a higher power density of 16.7 kW kg(-1). Even after 10000 charge/discharge cycles, the ASC still retains 93% of the initial capacitance at a current density of 5 A g(-1). A large number of aligned CNF nanochannels combined with the synergistic effects of cobalt sulfide nanowires encapsulated in CNTs obviously accelerates the ion transfer speed and shortens the ion transfer distance, thereby boosting both power density and energy density.
DOI	10.1039/c9cc01277j
Language	英语
WOS Research Area	Chemistry
Publisher	ROYAL SOC CHEMISTRY
Citation statistics
Document Type	期刊论文
Identifier	http://ir.sic.ac.cn/handle/331005/27192
Collection	中国科学院上海硅酸盐研究所
Recommended Citation GB/T 7714	Zhou, Yongsheng,Zhu, Yingchun,Xu, Bingshe,et al. High electroactive material loading on a carbon nanotube/carbon nanofiber as an advanced free-standing electrode for asymmetric supercapacitors[J]. CHEMICAL COMMUNICATIONS,2019,55(28):4083.
APA	Zhou, Yongsheng,Zhu, Yingchun,Xu, Bingshe,&Zhang, Xueji.(2019).High electroactive material loading on a carbon nanotube/carbon nanofiber as an advanced free-standing electrode for asymmetric supercapacitors.CHEMICAL COMMUNICATIONS,55(28),4083.
MLA	Zhou, Yongsheng,et al."High electroactive material loading on a carbon nanotube/carbon nanofiber as an advanced free-standing electrode for asymmetric supercapacitors".CHEMICAL COMMUNICATIONS 55.28(2019):4083.

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