Facile preparation of ZnMn2O4 hollow microspheres as high-capacity anodes for lithium-ion batteries

Liang Zhou; Hao Bin Wu; Ting Zhu; Xiong Wen (David) Lou

doi:10.1039/C1JM15054E

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Facile preparation of ZnMn₂O₄ hollow microspheres as high-capacity anodes for lithium-ion batteries†

Liang Zhou,^ab Hao Bin Wu,^a Ting Zhu^a and Xiong Wen (David) Lou*^ab

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* Corresponding authors

^a School of Chemical and Biomedical Engineering, Nanyang Technological University, 70 Nanyang Drive, Singapore, Singapore
E-mail: xwlou@ntu.edu.sg

^b Energy Research Institute@NTU, Nanyang Technological University, 50 Nanyang Drive, Singapore, Singapore

Abstract

Uniform ZnMn₂O₄ hollow microspheres have been synthesized by a facile coprecipitation and annealing method. The resultant ZnMn₂O₄ hollow microspheres exhibit high specific discharge capacity, good rate capability, and excellent cycling stability. The improved electrochemical performance may be attributed to the beneficial features of reduced diffusion length for Li⁺ ions and enhanced structural integrity with sufficient void space for buffering the volume variation during the Li⁺ insertion/extraction.

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Article information

DOI: https://doi.org/10.1039/C1JM15054E
Article type: Communication
Submitted: 07 Oct 2011
Accepted: 11 Nov 2011
First published: 24 Nov 2011

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J. Mater. Chem., 2012,22, 827-829

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Facile preparation of ZnMn₂O₄ hollow microspheres as high-capacity anodes for lithium-ion batteries

L. Zhou, H. B. Wu, T. Zhu and X. W. (. Lou, J. Mater. Chem., 2012, 22, 827 DOI: 10.1039/C1JM15054E

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Journal of Materials Chemistry