Surface redox pseudocapacitance-based vanadium nitride nanoparticles toward a long-cycling sodium-ion battery

doi:10.1016/j.mtener.2023.101300

IMR OpenIR

	Surface redox pseudocapacitance-based vanadium nitride nanoparticles toward a long-cycling sodium-ion battery
	Liu, Ruijia 1,2; Yang, Lingxu 3; Wang, Wenjun 3; Zhao, Enyue 3; Wang, Baotian 4,5; Zhang, Xue 2; Liu, Huijun 3; Zeng, Chaoliu 3
通讯作者	Zhao, Enyue(eyzhao@sslab.org.cn) ; Liu, Huijun(hui_jun_liu@163.com) ; Zeng, Chaoliu(clzeng@imr.ac.cn)
	2023-06-01
发表期刊	MATERIALS TODAY ENERGY
ISSN	2468-6069
卷号	34 页码:10
摘要	Structure-stable anodes are essential for achieving long-cycling stability in sodium-ion batteries. However, a large cycled structure/volume change is inevitable in conversion-type or alloying-reaction anodes, which make them intrinsically unsuitable for durable sodium-ion batteries . Here, we synthesized carbon fiber-anchored vanadium nitride nanoparticles (denoted as VN@CF) through a simple molten-salt method without NH3 treatment. The VN@CF anode shows an ultra-stable Na-storage structure with a discharge capacity of 204 mAh/g at 0.1 A/g after 500 cycles. More notably, it shows remarkably longcycling stability over 6600 cycles without capacity attenuation at 1.0 A/g. Multiple ex-situ characterizations, such as X-ray diffraction and X-ray photoelectron spectroscopy, indicate that the sodium storage behavior of VN@CF is a surface redox-related pseudocapacitive process, which is further supported by theoretical calculations. Such surface pseudocapacitive could not only enhance the sodium-storage structure stability but increase the redox reaction kinetics, which should be the origins of VN@CF's superior electrochemical properties. Our work paves a way for designing structure-stable energy storage materials based on the surface redox pseudocapacitance mechanism. (c) 2023 Elsevier Ltd. All rights reserved.
关键词	Sodium ion storage Vanadium nitride anode Molten salt synthesis Redox pseudocapacitance Cycle stability
资助者	National Natural Science Foundation of China ; Guangdong Basic and Applied Basic Research Foundation, China ; open research fund of Songshan Lake Materials Laboratory
DOI	10.1016/j.mtener.2023.101300
收录类别	SCI
语种	英语
资助项目	National Natural Science Foundation of China[51671204] ; National Natural Science Foundation of China[12105197] ; Guangdong Basic and Applied Basic Research Foundation, China[2019A1515110825] ; open research fund of Songshan Lake Materials Laboratory[2022SLABFK04]
WOS研究方向	Chemistry ; Energy & Fuels ; Materials Science
WOS类目	Chemistry, Physical ; Energy & Fuels ; Materials Science, Multidisciplinary
WOS记录号	WOS:000989628600001
出版者	ELSEVIER SCI LTD
引用统计	被引频次：6[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/321006/177898
专题	中国科学院金属研究所
通讯作者	Zhao, Enyue; Liu, Huijun; Zeng, Chaoliu
作者单位	1.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Peoples R China 2.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China 3.Songshan Lake Mat Lab, Dongguan 523808, Peoples R China 4.Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China 5.Spallat Neutron Source Sci Ctr, Dongguan 523803, Peoples R China
推荐引用方式 GB/T 7714	Liu, Ruijia,Yang, Lingxu,Wang, Wenjun,et al. Surface redox pseudocapacitance-based vanadium nitride nanoparticles toward a long-cycling sodium-ion battery[J]. MATERIALS TODAY ENERGY,2023,34:10.
APA	Liu, Ruijia.,Yang, Lingxu.,Wang, Wenjun.,Zhao, Enyue.,Wang, Baotian.,...&Zeng, Chaoliu.(2023).Surface redox pseudocapacitance-based vanadium nitride nanoparticles toward a long-cycling sodium-ion battery.MATERIALS TODAY ENERGY,34,10.
MLA	Liu, Ruijia,et al."Surface redox pseudocapacitance-based vanadium nitride nanoparticles toward a long-cycling sodium-ion battery".MATERIALS TODAY ENERGY 34(2023):10.