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Facile mechanochemical synthesis of non-stoichiometric silica-carbon composite for enhanced lithium storage properties.

Zhang, B., Wang, H., Liu, C., Li, D., Kim, H.K., Harris, C., Lao, C.Y., Abdelkader, A.M. and Xi, K., 2019. Facile mechanochemical synthesis of non-stoichiometric silica-carbon composite for enhanced lithium storage properties. Journal of Alloys and Compounds, 801 (September), 658 - 665.

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DOI: 10.1016/j.jallcom.2019.06.101

Abstract

A large number of new electrode materials and novel structural designs are emerging for lithium-ion batteries, yet scalable synthesis and raw material costs still hinder the practical application of such materials. Here, we designed and fabricated a low-cost SiOx/C composite by a facile and scalable mechanofusion route with a ball-milling method. We selected aerosil and graphite precursor-needle coke, which are two widely used materials in industry, as a silicon source and carbon source, respectively. This SiOx/C composite shows a high reversible capacity (ca. 550 mAh g−1) at the 180th cycle and good rate performance. Our scalable synthesis route of electrode materials can stimulate the progress of other energy storage technologies for practical applications.

Item Type:Article
ISSN:0925-8388
Uncontrolled Keywords:Lithium ion batteries; Mechanofusion; Aerosil; Needle coke; Si-based anodes
Group:Faculty of Science & Technology
ID Code:32482
Deposited By: Unnamed user with email symplectic@symplectic
Deposited On:02 Jul 2019 12:58
Last Modified:13 Jun 2020 01:08

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