Issue 44, 2015

Controlled synthesis of mesoporous hollow SnO2 nanococoons with enhanced lithium storage capability

Abstract

Mesoporous hollow SnO2 nanococoons (mh-SnO2 NCs) were synthesized via the redox reaction between SnCl2 and Fe2O3 nanospindles in the presence of excess SnCl4. The Fe2O3 nanospindles act as a sacrificial template to oxidize SnCl2 to form a layer of SnO2 on the original Fe2O3 core surface and the following hydrolysis of SnCl4 on the as-generated SnO2 further produces SnO2 nanoparticles (NPs) to solidate the mh-SnO2 shell, resulting in the formation of a hierarchical structure on the surface. The surface morphology of mh-SnO2 NCs could be easily controlled by varying the synthesis parameters. The resulting mh-SnO2 NCs possess superior lithium storage properties with an exceptionally good cycling performance and an excellent rate capability.

Graphical abstract: Controlled synthesis of mesoporous hollow SnO2 nanococoons with enhanced lithium storage capability

Supplementary files

Article information

Article type
Communication
Submitted
19 Aug 2015
Accepted
13 Oct 2015
First published
14 Oct 2015

J. Mater. Chem. A, 2015,3, 22021-22025

Controlled synthesis of mesoporous hollow SnO2 nanococoons with enhanced lithium storage capability

L. Li, B. Guan, L. Zhang, Z. Su, H. Xie and C. Wang, J. Mater. Chem. A, 2015, 3, 22021 DOI: 10.1039/C5TA06521F

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