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Type: Journal article
Title: Hydrothermal synthesis of SnO₂ and SnO₂@C nanorods and their application as anode materials in lithium-ion batteries
Other Titles: Hydrothermal synthesis of SnO(2) and SnO(2)@C nanorods and their application as anode materials in lithium-ion batteries
Author: Yu, L.
Cai, D.
Wang, H.
Titirici, M.
Citation: RSC Advances: an international journal to further the chemical sciences, 2013; 3(38):17281-17286
Publisher: Royal Society of Chemistry
Issue Date: 2013
ISSN: 2046-2069
Statement of
Linghui Yu, Dandan Cai, Haihui Wang, and Maria-Magdalena Titirici
Abstract: We report a highly reproducible, large-scale method for the synthesis of SnO2 nanorods with diameters of ∼4–8 nm, and lengths between 50 and 80 nm. The as-synthesized rods are coated with a thin glucose-derived carbon layer to form a core–shell structure. The SnO2 nanorods were tested as negative electrodes in lithium ion batteries exhibiting improved cycling performance due to their nanosize. The carbon-coated sample was thermally treated at a relatively low temperature, i.e. 550 °C. This is because the core–shell structure could not be preserved at a higher temperatures where carbothermal reduction of SnO2 to Sn occurs with a loss of nanostructure. Therefore the resulting SnO2@C sample has a low conductivity. Despite this, we found that the carbon coating stabilizes the electrode, which shows a better cycling performance compared with the non-coated material.
Rights: © the authors
DOI: 10.1039/c3ra42900h
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Chemical Engineering publications

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