Constructing consistent pore microstructures of bacterial cellulose-derived cathode and anode materials for high energy density sodium-ion capacitors

doi:10.1039/c9nj05122h

CORC > 兰州理工大学 > 兰州理工大学 > 机电工程学院

	Constructing consistent pore microstructures of bacterial cellulose-derived cathode and anode materials for high energy density sodium-ion capacitors
	Zhang, Tianyun 2; Wang, Fujuan 2; Yang, Liang 2; Li, Hongxia 1; Chen, Jiangtao 3,4; Yang, Bingjun 3,4; Lang, Junwei 3,4; Yan, Xingbin 3,4
刊名	NEW JOURNAL OF CHEMISTRY
	2020-02-07
卷号	44 期号:5 页码:1865-1871
ISSN号	1144-0546
DOI	10.1039/c9nj05122h
英文摘要	Sodium-ion capacitors are a new type of energy storage devices that possess the respective advantages of both sodium-ion batteries and electrochemical capacitors. However, the low energy density of sodium-ion capacitors is the main reason restricting their real applications. The key point is to match the kinetic behaviors of the anode and cathode. In this study, similar pore microstructures for both anode and cathode are constructed by using bacterial cellulose as a precursor; the products exhibit identical hierarchical micropore-mesopore networks and consistent pore distributions of 1-3 nm. These similar pore microstructures can effectively improve the behaviors of charge transport and ion diffusion. Benefiting from the merits of the advanced structures and good performance of the anode and cathode materials, a constructed sodium-ion capacitor delivers a high energy density of 124 W h kg(-1) at a power density of 210 W kg(-1) and a power density of 15 500 W kg(-1) at an energy density of 22 W h kg(-1) within the potential range of 0-4.2 V; meanwhile, an outstanding cycle performance of 2000 cycles was obtained, with a capacity retention of 99.6%. This study provides a simple and promising method to match the capacity and kinetic behavior of the anode and cathode to build high-performance sodium-ion capacitors.
WOS研究方向	Chemistry
语种	英语
出版者	ROYAL SOC CHEMISTRY
WOS记录号	WOS:000511381800022
内容类型	期刊论文
源URL	[http://ir.lut.edu.cn/handle/2XXMBERH/155238]
专题	机电工程学院石油化工学院
作者单位	1.Lanzhou Univ Technol, Sch Petrochem Engn, Lanzhou 730050, Peoples R China; 2.Lanzhou Univ Technol, Sch Mech & Elect Engn, Lanzhou 730050, Peoples R China; 3.Chinese Acad Sci, Lanzhou Inst Chem Phys, Lab Clean Energy Chem & Mat, Lanzhou 730000, Peoples R China; 4.Chinese Acad Sci, Lanzhou Inst Chem Phys, State Key Lab Solid Lubricat, Lanzhou 730000, Peoples R China
推荐引用方式 GB/T 7714	Zhang, Tianyun,Wang, Fujuan,Yang, Liang,et al. Constructing consistent pore microstructures of bacterial cellulose-derived cathode and anode materials for high energy density sodium-ion capacitors[J]. NEW JOURNAL OF CHEMISTRY,2020,44(5):1865-1871.
APA	Zhang, Tianyun.,Wang, Fujuan.,Yang, Liang.,Li, Hongxia.,Chen, Jiangtao.,...&Yan, Xingbin.(2020).Constructing consistent pore microstructures of bacterial cellulose-derived cathode and anode materials for high energy density sodium-ion capacitors.NEW JOURNAL OF CHEMISTRY,44(5),1865-1871.
MLA	Zhang, Tianyun,et al."Constructing consistent pore microstructures of bacterial cellulose-derived cathode and anode materials for high energy density sodium-ion capacitors".NEW JOURNAL OF CHEMISTRY 44.5(2020):1865-1871.