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https://hdl.handle.net/2440/95965
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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 2046-2069 |
Statement of Responsibility: | 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 |
Published version: | http://dx.doi.org/10.1039/c3ra42900h |
Appears in Collections: | Aurora harvest 3 Chemical Engineering publications |
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