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Issue 45, 2015
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A POM–organic framework anode for Li-ion battery

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Abstract

Rechargeable Li-ion batteries (LIBs) are currently the dominant power source for portable electronic devices and electric vehicles, and for small-scale stationary energy storage. However, one bottleneck of the anode materials for LIBs is the poor cycling performance caused by the fact that the anodes cannot maintain their integrity over several charge–discharge cycles. In this work, we demonstrate an approach to improving the cycling performance of lithium-ion battery anodes by constructing an extended 3D network of flexible redox active polyoxometalate (POM) clusters with redox active organic linkers, herein described as POMOF. This architecture enables the accommodation of large volume changes during cycling at relatively high current rates. For example, the POMOF anode exhibits a high reversible capacity of 540 mA h g−1 after 360 cycles at a current rate of 0.25C and a long cycle life at a current rate of 1.25C (>500 cycles).

Graphical abstract: A POM–organic framework anode for Li-ion battery

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Supplementary files

Article information


Submitted
27 Aug 2015
Accepted
12 Oct 2015
First published
12 Oct 2015

J. Mater. Chem. A, 2015,3, 22989-22995
Article type
Paper
Author version available

A POM–organic framework anode for Li-ion battery

Y. Yue, Y. Li, Z. Bi, G. M. Veith, C. A. Bridges, B. Guo, J. Chen, D. R. Mullins, S. P. Surwade, S. M. Mahurin, H. Liu, M. P. Paranthaman and S. Dai, J. Mater. Chem. A, 2015, 3, 22989
DOI: 10.1039/C5TA06785E

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