In Situ Carbon-coated Ni0.85Se@C Composite with High Performance for Sodium-ion Batteries

被引：1
|
作者：
Gao, Mingyue [1 ]
Chen, Yongming [1 ]
Wang, Jing [1 ]
Yang, Ru [2 ]
Guo, Xingmei [1 ]
Cao, Fu [1 ]
Sun, Shasha [1 ]
Zhang, Junhao [1 ]
Kong, Qinghong [3 ]
机构：
[1] Jiangsu Univ Sci & Technol, Sch Environm & Chem Engn, Zhenjiang 212003, Jiangsu, Peoples R China
[2] Zhenjiang Elect Power Supply Co, State Grid Jiangsu Elect Power Co Ltd, Zhenjiang 212000, Jiangsu, Peoples R China
[3] Jiangsu Univ, Sch Environm & Safety Engn, Zhenjiang 212013, Jiangsu, Peoples R China
来源：
CHEMISTRY LETTERS | 2022年 / 51卷 / 03期
关键词：
Self-template method; Ni0.85Se@C composites; Sodium-ion battery; ANODES; ARRAYS; MOF;
D O I：
10.1246/cl.210710
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Ni(benzimidazole)(2-methylimidazole) with two-dimensional structure is used as a self-template to synthesize carbon-coated Ni0.85Se (Ni0.85Se@C) composites. Ni0.85Se@C composites display a thin nanosheet structure (similar to 20 nm) with macropores (similar to 200 nm), which can effectively reduce the volume change. The carbon network can improve the electrical conductivity of the electrode material. When evaluated as anode material for sodium ion batteries (SIBs), Ni0.85Se@C composites deliver an excellent reversible capacity of 405mAh g(--1) at 200mAg(-1) after 100 cycles and a good rate performance with a capacity of 200mAh g(-1) at 3.0Ag(-1).
引用
收藏
页码：221 / 223
页数：3
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