KOH Activated Nitrogen Doped Hard Carbon Nanotubes as High Performance Anode for Lithium Ion Batteries

doi:10.1007/s13391-018-0085-3

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	KOH Activated Nitrogen Doped Hard Carbon Nanotubes as High Performance Anode for Lithium Ion Batteries
	Zhang, Qingtang; Li, Meng; Meng, Yan; Li, An
刊名	ELECTRONIC MATERIALS LETTERS
	2018-11
卷号	14 期号:6 页码:755-765
关键词	Hard carbon nanotubes Conjugated microporous polymers Anode Lithium ion battery
ISSN号	1738-8090
DOI	10.1007/s13391-018-0085-3
英文摘要	In situ nitrogen doped hard carbon nanotubes (NHCNT) were fabricated by pyrolyzing tubular nitrogen doped conjugated microporous polymer. KOH activated NHCNT (K-NHCNT) were also prepared to improve their porous structure. XRD, SEM, TEM, EDS, XPS, Raman spectra, N-2 adsorption-desorption, galvanostatic charging-discharge, cyclic voltammetry and EIS were used to characterize the structure and performance of NHCNT and K-NHCNT. XRD and Raman spectra reveal K-NHCNT own a more disorder carbon. SEM indicate that the diameters of K-NHCNT are smaller than that of NHCNT. TEM and EDS further indicate that K-NHCNT are hollow carbon nanotubes with nitrogen uniformly distributed. N-2 adsorption-desorption analysis reveals that K-NHCNT have an ultra high specific surface area of 1787.37m(2)g(-1), which is much larger than that of NHCNT (531.98m(2)g(-1)). K-NHCNT delivers a high reversible capacity of 918mAhg(-1) at 0.6Ag(-1). Even after 350 times cycling, the capacity of K-NHCNT cycled after 350 cycles at 0.6Ag(-1) is still as high as 591.6mAhg(-1). Such outstanding electrochemical performance of the K-NHCNT are clearly attributed by its superior characters, which have great advantages over those commercial available carbon nanotubes (200-450mAhg(-1)) not only for its desired electrochemical performance but also for its easily and scaling-up preparation.
资助项目	National Nature Science Foundation of China[21466020]
WOS研究方向	Materials Science
语种	英语
出版者	KOREAN INST METALS MATERIALS
WOS记录号	WOS:000443991500012
状态	已发表
内容类型	期刊论文
源URL	[http://119.78.100.223/handle/2XXMBERH/32347]
专题	石油化工学院
通讯作者	Zhang, Qingtang
作者单位	Lanzhou Univ Technol, Sch Petrochem Engn, 36 Pengjiaping, Lanzhou 730050, Gansu, Peoples R China
推荐引用方式 GB/T 7714	Zhang, Qingtang,Li, Meng,Meng, Yan,et al. KOH Activated Nitrogen Doped Hard Carbon Nanotubes as High Performance Anode for Lithium Ion Batteries[J]. ELECTRONIC MATERIALS LETTERS,2018,14(6):755-765.
APA	Zhang, Qingtang,Li, Meng,Meng, Yan,&Li, An.(2018).KOH Activated Nitrogen Doped Hard Carbon Nanotubes as High Performance Anode for Lithium Ion Batteries.ELECTRONIC MATERIALS LETTERS,14(6),755-765.
MLA	Zhang, Qingtang,et al."KOH Activated Nitrogen Doped Hard Carbon Nanotubes as High Performance Anode for Lithium Ion Batteries".ELECTRONIC MATERIALS LETTERS 14.6(2018):755-765.