Si/C composite lithium-ion battery anodes synthesized from coarse silicon and citric acid through combined ball milling and thermal pyrolysis
MetadataShow full item record
Silicon and related materials have recently received considerable attention as potential anodes in Li-ion batteries for their high theoretical specific capacities. To overcome the problem of volume variations during the Li insertion/extraction process, in this work, Si/C composites with low carbon content were synthesized from cheap coarse silicon and citric acid by simple ball milling and subsequent thermal treatment. The effects of ball milling time and calcination temperature on the structure, composition and morphology of the composites were systematically investigated by the determination of specific surface area (BET) and particle-size distribution, X-ray diffraction (XRD), O2-TPO, and scanning electron microscopy (SEM). The capacity and cycling stability of the composites were systematically evaluated by electrochemical charge/discharge tests. It was found that both the initial capacity and the cycling stability of the composites were dependent on the milling and calcination conditions, and attractive overall electrochemical performance could be obtained by optimizing the synthesis process. © 2010 Elsevier Ltd. All rights reserved.
Showing items related by title, author, creator and subject.
Effect of milling method and time on the properties and electrochemical performance of LiFePO<inf>4</inf>/C composites prepared by ball milling and thermal treatmentZhang, D.; Cai, R.; Zhou, Y.; Shao, Zongping; Liao, X.; Ma, Z. (2010)Effects of ball milling way and time on the phase formation, particulate morphology, carbon content, and consequent electrode performance of LiFePO4/C composite, prepared by high-energy ball milling of Li2CO3, NH4H2PO4, ...
Growth performance of weaner pigs fed diets containing grains milled to different particle sizes. II. Field peaNguyen, G. T.; Collins, C.; Henman, D.; Diffey, Simon; Tredrea, A. M; Black, J. L.; Bryden, W. L; Gidley, M. J.; Sopade, P. A. (2015)Various studies have highlighted the importance of grain particle size on growth performance of pigs (Choct et al. 2004; Montoya and Leterme 2011). However, the studies concentrated on cereals, used one mill type, or had ...
Growth performance of weaner pigs fed diets containing grains milled to different particle sizes. I. SorghumNguyen, G. T.; Collins, C.; Henman, D.; Diffey, Simon; Tredea, A. M.; Black, J. L.; Bryden, W.; Gidley, M. J.; Sopade, P. A. (2015)Sorghum is the third most important cereal in Australia, in terms of production, and it is a major feed grain (Mahasukhonthachat et al. 2010). Mahasukhonthachat et al. (2010) and recently, Nguyen et al. (2015), revealed ...