Silicon nanowires with a carbon nanofiber branch as lithium-ion anode material

被引：34
|
作者：
Song, Taeseup [2 ]
Lee, Dong Hyun [2 ]
Kwon, Moon Seok [3 ]
Choi, Jae Man [3 ]
Han, Hyungkyu [2 ]
Doo, Seok Gwang [3 ]
Chang, Hyuk [3 ]
Park, Won Il [2 ]
Sigmund, Wolfgang [1 ]
Kim, Hansu [1 ]
Paik, Ungyu [1 ,2 ]
机构：
[1] Hanyang Univ, WCU Dept Energy Engn, Seoul 133791, South Korea
[2] Hanyang Univ, Dept Mat Sci Engn, Seoul 133791, South Korea
[3] Samsung Elect Co Ltd, Samsung Adv Inst Technol, Energy Lab, Suwon 440600, South Korea
来源：
JOURNAL OF MATERIALS CHEMISTRY | 2011年 / 21卷 / 34期
基金：
新加坡国家研究基金会;
关键词：
HIGH-CAPACITY; SECONDARY BATTERIES; RAMAN-SPECTRUM; ELECTRODES; PERFORMANCE; COMPOSITE; PARTICLES; NANOTUBES; STORAGE; GROWTH;
D O I：
10.1039/c1jm12511g
中图分类号：
O64 [物理化学（理论化学）、化学物理学];
学科分类号：
070304 ; 081704 ;
摘要：
Si nanowires (SiNWs)-carbon nanofibers (CNFs) branched structures with variation in carbon densities were synthesized. SiNWs with critical density of CNFs show the best electrochemical performance, which is attributed to increase in free volume around the SiNWs as well as a buffering role of the branched CNFs against large volumetric change during cycling.
引用
收藏
页码：12619 / 12621
页数：3
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