High performance silicon carbon composite anode materials for lithium ion batteries

Silicon and silicon containing compounds are attractive anode materials for lithium batteries because of their low electrochemical potential vs. lithium and high theoretical capacities. In this work the relationship between the electrochemical performance of silicon powders and their particle sizes...

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Bibliographic Details
Published in:Journal of power sources 2009-04, Vol.189 (1), p.16-21
Main Authors: Luo, Zhaojun, Fan, Dongdong, Liu, Xianlong, Mao, Huanyu, Yao, Caifang, Deng, Zhongyi
Format: Article
Language:English
Subjects:
Anode material
Anodes
Applied sciences
Carbon
Composite materials
Direct energy conversion and energy accumulation
Electrical engineering. Electrical power engineering
Electrical power engineering
Electrochemical conversion: primary and secondary batteries, fuel cells
Exact sciences and technology
Lithium ion battery
Lithium-ion batteries
Nanocomposites
Nanomaterials
Nanostructure
Particle size
Silicon
Silicon carbon composite
Silicon powder
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Summary:Silicon and silicon containing compounds are attractive anode materials for lithium batteries because of their low electrochemical potential vs. lithium and high theoretical capacities. In this work the relationship between the electrochemical performance of silicon powders and their particle sizes was studied. It is found that the material with nano particle sizes gives the best performance. New silicon/carbon composite anode materials were synthesized and their structures and electrochemical performance were investigated. The results of these studies are reported in this paper.
ISSN:0378-7753
1873-2755
DOI:10.1016/j.jpowsour.2008.12.068