Selenium-doped carbon nanotubes/nickel selenide coaxial nanocables for energy storage

doi:10.1016/j.jpowsour.2021.230587

IR > 理学院

	Selenium-doped carbon nanotubes/nickel selenide coaxial nanocables for energy storage
	Jin, Fangzhou 1; Li, Mingjie 1; Xie, Lixiang 1; Jiang, Jinlong1,2
	2021-12-01
发表期刊	JOURNAL OF POWER SOURCES
ISSN	0378-7753
卷号	514
摘要	Coaxial nanocable heterostructures consisting of highly conductive carbon nanomaterial core and active transition-metal compound sheath are promising potential candidates for advanced energy storage materials. Herein, the multi-functional selenium-doped carbon nanotubes/nickel selenide coaxial nanocables with chemical bonding interface are prepared by using an electroless deposition combined with the following chemical vapor reaction process, in which the nickel layer is first deposited onto the carbon nanotube core and subsequently transformed in-situ into the nickel selenide sheath by the controlled selenization reaction at elevated temperature. Such coaxial structure provides the large active material/electrolyte contact area, and the fast diffusion and transfer of mass and charge in the electrochemical process, thus which endows superior supercapacitive and good lithium storage performances. The coaxial nanocables exhibit a high specific capacity of 340.0 mAh g-1 at 1 A g-1 as an electrode for supercapacitor, and a lithium storage capacity of 600.0 mAh g-1 at 0.1 A g-1 as an anode for lithium-ion batteries. A supercapacitor based on the nanocables delivers a high energy density of 70.0 Wh kg- 1 at 803.0 W kg- 1 and long cycling stability with 65.0% capacitance retention after 8000 cycles at 10 A g- 1.
关键词	Carbon nanotube Nickel selenide Coaxial nanocable Supercapacitor Lithium-ion battery
DOI	10.1016/j.jpowsour.2021.230587
收录类别	SCIE
语种	英语
WOS研究方向	Chemistry ; Electrochemistry ; Energy & Fuels ; Materials Science
WOS类目	Chemistry, Physical ; Electrochemistry ; Energy & Fuels ; Materials Science, Multidisciplinary
WOS记录号	WOS:000709720200003
出版者	ELSEVIER
来源库	WOS
引用统计	被引频次：11[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	https://ir.lut.edu.cn/handle/2XXMBERH/150101
专题	理学院
通讯作者	Jiang, Jinlong
作者单位	1.Lanzhou Univ Technol, Sch Sci, Dept Phys, Lanzhou 730050, Peoples R China; 2.Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Solid Lubricat, Lanzhou 730000, Peoples R China
第一作者单位	理学院
通讯作者单位	理学院
第一作者的第一单位	理学院
推荐引用方式 GB/T 7714	Jin, Fangzhou,Li, Mingjie,Xie, Lixiang,et al. Selenium-doped carbon nanotubes/nickel selenide coaxial nanocables for energy storage[J]. JOURNAL OF POWER SOURCES,2021,514.
APA	Jin, Fangzhou,Li, Mingjie,Xie, Lixiang,&Jiang, Jinlong.(2021).Selenium-doped carbon nanotubes/nickel selenide coaxial nanocables for energy storage.JOURNAL OF POWER SOURCES,514.
MLA	Jin, Fangzhou,et al."Selenium-doped carbon nanotubes/nickel selenide coaxial nanocables for energy storage".JOURNAL OF POWER SOURCES 514(2021).