Facile synthesis of VN hollow spheres as an anode for lithium-ion battery

被引：23
|
作者：
Wang, Jianbiao [1 ,2 ]
Yang, Chengyu [1 ,2 ]
Wu, Junxiu [1 ,2 ]
Zhang, Lunwen [3 ]
Wei, Mingdeng [1 ,2 ,4 ]
机构：
[1] Fuzhou Univ, Fujian Prov Key Lab Electrochem Energy Storage Ma, Fuzhou 350002, Fujian, Peoples R China
[2] Fuzhou Univ, State Key Lab Photocatalysis Energy & Environm, Fuzhou 350002, Fujian, Peoples R China
[3] Dynabat New Energy Sci & Technol Ltd, Fuzhou 363500, Fujian, Peoples R China
[4] Jiangsu Collaborat Innovat Ctr Photovolat Sci & E, Changzhou 213164, Peoples R China
来源：
JOURNAL OF ELECTROANALYTICAL CHEMISTRY | 2019年 / 848卷
基金：
中国国家自然科学基金;
关键词：
VN; Hollow sphere; Anode; Lithium-ion battery; Electrochemical property; VANADIUM NITRIDE; VS2; NANOSHEETS; STORAGE; NANOPARTICLES; GRAPHENE; NANOWIRES; CAPACITY; OXIDE;
D O I：
10.1016/j.jelechem.2019.113360
中图分类号：
O65 [分析化学];
学科分类号：
070302 ; 081704 ;
摘要：
Three-dimensional (3D) hollow nanostructure has been intensively investigated for preparing desirable anode material. Herein, VN hollow spheres are made up of porous nanosheets which were prepared through a one-step solvothermal route and followed with calcination process under ammonia atmosphere. Consequently, the obtained hollow sphere structure can provide large surface area and exhibiting unprecedented stable long cycling performance (456 mA h g(-1) after 1100 cycles), when applied as an anode for lithium intercalation. Besides, the anode material also demonstrates a high capacitive contribution of 76.1% at 2 mV s(-1) for the total charge. (C) 2019 Elsevier B.V. All rights reserved.
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页数：6
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