@article{Park2018, 
author = {Gi Dae Park and Yun Chan Kang},
title = {Rational design and synthesis of hierarchically structured SnO2 microspheres assembled from hollow porous nanoplates as superior anode materials for lithium-ion batteries},
year = {2018},
journal = {Nano Research},
volume = {11},
number = {3},
pages = {1301-1312},
keywords = {tin oxide, Kirkendall diffusion, nanoplate, lithium-ion battery, spray pyrolysis},
url = {https://www.sciopen.com/article/10.1007/s12274-017-1744-7},
doi = {10.1007/s12274-017-1744-7},
abstract = {Herein, hierarchically structured SnO2 microspheres are designed and synthesized as an efficient anode material for lithium-ion batteries using hollow SnO2 nanoplates. Three-dimensionally ordered macroporous (3-DOM) SnOx-C microspheres synthesized by spray pyrolysis are transformed into hierarchically structured SnO2 microspheres by a two-step post-treatment process. Sulfidation produces hierarchically structured SnS-SnS2-C microspheres comprising tin sulfide nanoplate and carbon building blocks. A subsequent oxidation process produces SnO2 microspheres from hollow SnO2 nanoplate building blocks, which are formed by Kirkendall diffusion. The discharge capacity of the hierarchically structured SnO2 microspheres at a current density of 5 A·g-1 for the 600th cycle is 404 mA·h·g-1. The hierarchically structured SnO2 microspheres have reversible discharge capacities of 609 and 158 mA·h·g-1 at current densities of 0.5 and 30 A·g-1, respectively. The ultrafine nanosheets contain empty voids that allow excellent lithium-ion storage performance, even at high current densities.}
}