Preparation of polypyrrole-coated silicon nanoparticles

被引：26
|
作者：
La, HS
Park, KS
Nahm, KS
Jeong, KK
Lee, YS [1 ]
机构：
[1] Chonbuk Natl Univ, Nanomat Res Ctr, Div Environm & Chem Engn, Chonju 561756, South Korea
[2] Chonbuk Natl Univ, Nanomat Res Ctr, Div Chem Educ, Chonju 561756, South Korea
来源：
COLLOIDS AND SURFACES A-PHYSICOCHEMICAL AND ENGINEERING ASPECTS | 2006年 / 272卷 / 1-2期
关键词：
anode material; nanoparticle; silicon; polypyrrole; coating;
D O I：
10.1016/j.colsurfa.2005.07.003
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：
Silicon (Si) nanoparticles were stabilized by sodium dodecyl sulfate and poly (N-vinylpyrrolidone) in water, and coated with polypyrrole (PPy) via in situ polymerization of pyrrole with FeCl3. TEM images revealed that the Si nanoparticles were successfully coated with PPy (average thickness, similar to 2 nm). The Li/PPy-coated Si electrode exhibited improved discharge capacities, compared to that of a reported Li/pure Si electrode, even though the capacity fading problem caused by large-scaled crumbling of the electrode was not overcome. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：22 / 26
页数：5
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