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Issue 9, 2012
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Three-dimensionally ordered macroporous FeF3 and its in situ homogenous polymerization coating for high energy and power density lithium ion batteries

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Abstract

A new hybrid nanostructure composed of three-dimensionally ordered macroporous (3DOM) FeF3 and an homogenous coating of poly(3, 4-ethylenedioxythiophene) (PEDOT) is successfully synthesized using polystyrene (PS) colloidal crystals as hard template, and the coating of PEDOT is achieved through a novel in situ polymerization method. The special nanostructure provides a three-dimensional, continuous, and fast electronic and ionic path in the electrode. Surprisingly, the advantageous combination of 3DOM structure and homogenous coating of PEDOT endows the as-prepared hybrid nanostructures with a stable and high reversible discharge capacity up to 210 mA h g−1 above 2.0 V at room temperature (RT), and a good rate capability of 120 mA h g−1 at a high current density of 1 A g−1, which opens up new opportunities in the development of high performance next-generation lithium-ion batteries (LIBs).

Graphical abstract: Three-dimensionally ordered macroporous FeF3 and its in situ homogenous polymerization coating for high energy and power density lithium ion batteries

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Supplementary files

Article information


Submitted
16 Jun 2012
Accepted
17 Jul 2012
First published
17 Jul 2012

Energy Environ. Sci., 2012,5, 8538-8542
Article type
Communication

Three-dimensionally ordered macroporous FeF3 and its in situ homogenous polymerization coating for high energy and power density lithium ion batteries

D. Ma, Z. Cao, H. Wang, X. Huang, L. Wang and X. Zhang, Energy Environ. Sci., 2012, 5, 8538 DOI: 10.1039/C2EE22568A

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