Ag-deposited 3D porous Si anodes with enhanced cycling stability for lithium-ion batteries

被引：17
|
作者：
Wang, Qingtao [1 ]
Han, Lijun [1 ]
Zhang, Xuan [1 ]
Li, Jian [1 ]
Zhou, Xiaozhong [1 ]
Lei, Ziqiang [1 ]
机构：
[1] Northwest Normal Univ, Coll Chem & Chem Engn, Key Lab Ecoenvironm Related Polymer Mat, Minist Educ,Key Lab Polymer Mat Gansu Prov, Lanzhou 730070, Peoples R China
来源：
MATERIALS LETTERS | 2016年 / 185卷
关键词：
Lithium-ion batteries; Anode; 3D porous silicon; Ag-deposited; Energy storage and conversion; Nanocomposites; SILICON POWDER; PERFORMANCE; ELECTRODE; STORAGE;
D O I：
10.1016/j.matlet.2016.09.059
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Silicon is a promising alternative anode material due to its high theoretical specific capacity. However, the application of silicon is limited by the poor cycling stability associated with its large volume changes during the charging/discharging processes and its low conductivity. Herein, we design and fabricate an Ag-deposited 3D porous Si composite. The 3D channel can effectively buffer the volume change of Si and the deposited Ag can enhance the conductivity of 3D porous Si. So the Ag-deposited 3D porous Si anode exhibits significantly improved lithium-storage performance.
引用
收藏
页码：558 / 560
页数：3
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