Three-dimensional porous Sn/NC spheres with outstanding properties for lithium ion battery

被引：9
|
作者：
Wang, Wenyu [1 ]
Du, Zeru [1 ]
Qian, Junchao [1 ]
Chen, Feng [1 ]
机构：
[1] Suzhou Univ Sci & Technol, Sch Chem Biol & Mat Engn, Suzhou 215009, Peoples R China
来源：
MATERIALS LETTERS | 2020年 / 259卷
关键词：
Three-dimensional structure; Nanoparticles; Spray drying; Energy storage and conversion; METAL-ORGANIC FRAMEWORKS; ANODE MATERIAL;
D O I：
10.1016/j.matlet.2019.126827
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Three-dimensional hierarchical sphere with Sn quantum dot decorated on the porous N-doped carbon framework (NC) is successfully prepared via a simple spray drying process and subsequent calcination treatment. The porous Sn/NC composite displays outstanding properties for lithium ion battery with a large capacity of 589 mAh g(-1) and robust stability. This may result from the synergistic effect between the porous structure, the carbon network and Sn quantum-dots, which can cushion the volume expansion of the electrode material. (C) 2019 Elsevier B.V. All rights reserved.
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页数：4
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