Tin Nanodots Encapsulated in Porous Nitrogen-Doped Carbon Nanofibers as a Free-Standing Anode for Advanced Sodium-Ion Batteries

被引：548
|
作者：
Liu, Yongchang [1 ]
Zhang, Ning [1 ]
Jiao, Lifang [1 ]
Chen, Jun [1 ,2 ]
机构：
[1] Nankai Univ, Minist Educ, Coll Chem, Key Lab Adv Energy Mat Chem, Tianjin 300071, Peoples R China
[2] Nankai Univ, Collaborat Innovat Ctr Chem Sci & Engn Tianjin, Tianjin 300071, Peoples R China
来源：
ADVANCED MATERIALS | 2015年 / 27卷 / 42期
关键词：
HIGH-PERFORMANCE ANODE; LONG-CYCLE LIFE; LITHIUM; NANOPARTICLES; COMPOSITE; OXIDE; NANOCOMPOSITES; CHALLENGES; INSERTION; GRAPHENE;
D O I：
10.1002/adma.201503015
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Ultrasmall Sn nanodots (1-2 nm) are homogeneously encapsulated in porous N-doped carbon nanofibers using a simple and scalable electrospinning method. The composite nanofibers weave into flexible free-standing membrane and can be directly used as binder-and current collector-free anode for Na-ion batteries, exhibiting excellent electrochemical performance with high reversible capacity, exceptional rate capability, and ultralong cycle life. [GRAPHICS] .
引用
收藏
页码：6702 / +
页数：7
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