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Hierarchical porous ZnMn2O4 microspheres assembled by nanosheets for high performance anodes of lithium ion batteries

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Abstract

Hierarchical porous ZnMn2O4 microspheres assembled by nanosheets with an average thickness of several nanometers are successfully synthesized by a facile hydrothermal method and subsequent calcination at 500 °C in air. When used as an anode electrode of lithium ion batteries (LIBs), the ZnMn2O4 microspheres exhibit a high discharge capacity of 1132 mA h g−1 after 500 cycles at a current density of 500 mA g−1 and excellent rate capability. It is believed that the outstanding electrochemical performance benefits from the hierarchical porous structure that can not only increase the contact area between the electrode and the electrolyte to facilitate the transfer of Li+ ions, but also provide sufficient space for volume expansion of the electrode during the cycling process.

Graphical abstract: Hierarchical porous ZnMn2O4 microspheres assembled by nanosheets for high performance anodes of lithium ion batteries

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Publication details

The article was received on 03 Jul 2017, accepted on 09 Aug 2017 and first published on 10 Aug 2017


Article type: Research Article
DOI: 10.1039/C7QI00364A
Citation: Inorg. Chem. Front., 2017, Advance Article
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    Hierarchical porous ZnMn2O4 microspheres assembled by nanosheets for high performance anodes of lithium ion batteries

    J. Zeng, Y. Ren, S. Wang, Y. Hao, H. Wu, S. Zhang and Y. Xing, Inorg. Chem. Front., 2017, Advance Article , DOI: 10.1039/C7QI00364A

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