Preparation of a Sb/Cu2Sb/C composite as an anode material for lithium-ion batteries

被引：15
|
作者：
Yang, Ting [1 ,2 ]
Wang, Hao [2 ]
Xu, Jiantie [3 ,4 ]
Wang, Lei [2 ]
Song, Wei-Chao [1 ]
Mao, Yuhua [3 ,4 ]
Ma, Jianmin [2 ]
机构：
[1] Tianjin Normal Univ, Coll Chem, Tianjin Key Lab Struct & Performance Funct Mol, Key Lab Inorgan Organ Hybrid Funct Mat Chem,Minis, Tianjin 300387, Peoples R China
[2] Hunan Univ, Sch Phys & Elect, Changsha 410082, Hunan, Peoples R China
[3] Case Western Reserve Univ, Dept Macromol Sci & Engn, Cleveland, OH 44106 USA
[4] Shenzhen Capchem Technol Co LTD, Shenzhen 518118, Peoples R China
来源：
RSC ADVANCES | 2016年 / 6卷 / 82期
基金：
中国国家自然科学基金;
关键词：
HIGH-PERFORMANCE ANODE; LI-ION; ELECTROCHEMICAL PERFORMANCE; RECHARGEABLE BATTERIES; CARBON NANOFIBERS; POROUS CARBON; C COMPOSITE; ELECTRODE; GRAPHENE; SB;
D O I：
10.1039/c6ra14072f
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Sb/Cu2Sb/C composites are synthesized via a thermolysis approach with copper citrate and antimony acetate as precursors, respectively. The as-synthesized composites display an initial reversible capacity of 602 mA h g(-1) and maintain 461 mA h g(-1) after 60 cycles. The excellent electrochemical performance of the Sb/Cu2Sb/C composites can be ascribed to the presence of Sb/Cu2Sb and amorphous carbon layers. The amorphous carbon layers could prevent the damage of electrodes that resulted from large volume expansion. The Sb/Cu2Sb improves their electronic conductivity.
引用
收藏
页码：78959 / 78962
页数：4
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