In-situ encapsulating ultrafine CoFe2O4 nanoparticle into porous N-doped carbon nanofiber membrane as self-standing anode for enhanced lithium storage performance

doi:10.1016/j.electacta.2022.141787

IMR OpenIR

	In-situ encapsulating ultrafine CoFe2O4 nanoparticle into porous N-doped carbon nanofiber membrane as self-standing anode for enhanced lithium storage performance
	Li, Xiaoqiang 1,2; Guan, Guangguang 3,4; Zhao, Tingting 1; Xiang, Jun 1
通讯作者	Xiang, Jun(jxiang@just.edu.cn)
	2023-02-10
发表期刊	ELECTROCHIMICA ACTA
ISSN	0013-4686
卷号	441 页码:10
摘要	The ultrasmall CoFe2O4 nanoparticles in situ encapsulated in porous N-doped carbon nanofibers membranes (CFO@PNCFM) with different pore structures have been prepared by electrospinning and subsequent carbon-ization. When immediately used as self-standing anodes for lithium-ion batteries (LIBs), the optimized CFO@PNCFM exhibits superior lithium storage properties with high rate capability (476.5 mAh g-1 at 2 A g-1) and long stable cycle life (755.8 mAh g-1 at 100 mA g-1 after 200 cycles). The outstanding electrochemical performance may be mainly ascribed to the synergistic effect of special 3D conductive porous carbon nanofibers (PCNFs) network and ultrafine CoFe2O4 nanoparticles in energy storage, which can significantly enhance the utilization efficiency of electroactive materials and improve the charge-transport kinetics. Moreover, the CoFe2O4 nanoparticles bonded closely to PCNFs through strong metal-oxygen bridges, which promote the electron capture and transfer from PCNFs to CoFe2O4, and thus achieving fast electrochemical reaction kinetics. Meanwhile, the porous structure can not only alleviate the volume change during charge/discharge cycles, but also supply numerous active sites for lithium storage, resulting in a high reversible capacity as well as good cycle stability and rate performance.
关键词	Lithium-ion batteries Lithium storage properties Electrospinning N-doped carbon nanofiber membranes Self-standing
DOI	10.1016/j.electacta.2022.141787
收录类别	SCI
语种	英语
WOS研究方向	Electrochemistry
WOS类目	Electrochemistry
WOS记录号	WOS:000918864500001
出版者	PERGAMON-ELSEVIER SCIENCE LTD
引用统计	被引频次：4[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/175357
专题	中国科学院金属研究所
通讯作者	Xiang, Jun
作者单位	1.Jiangsu Univ Sci & Technol, Sch Sci, Zhenjiang 212100, Peoples R China 2.Beijing Univ Technol, Inst Mat Sci & Engn, Beijing 100124, Peoples R China 3.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China 4.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China
推荐引用方式 GB/T 7714	Li, Xiaoqiang,Guan, Guangguang,Zhao, Tingting,et al. In-situ encapsulating ultrafine CoFe2O4 nanoparticle into porous N-doped carbon nanofiber membrane as self-standing anode for enhanced lithium storage performance[J]. ELECTROCHIMICA ACTA,2023,441:10.
APA	Li, Xiaoqiang,Guan, Guangguang,Zhao, Tingting,&Xiang, Jun.(2023).In-situ encapsulating ultrafine CoFe2O4 nanoparticle into porous N-doped carbon nanofiber membrane as self-standing anode for enhanced lithium storage performance.ELECTROCHIMICA ACTA,441,10.
MLA	Li, Xiaoqiang,et al."In-situ encapsulating ultrafine CoFe2O4 nanoparticle into porous N-doped carbon nanofiber membrane as self-standing anode for enhanced lithium storage performance".ELECTROCHIMICA ACTA 441(2023):10.