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Issue 3, 2015
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Biotemplated fabrication of a novel hierarchical porous C/LiFePO4/C composite for Li-ion batteries

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Abstract

Hierarchical porous composites are a potentially attractive material for high-rate cathode. This work presents a facile sol–gel process for the fabrication of a hierarchical porous C/LiFePO4/bio-C composite by using artemia cyst shells as natural biological carbon templates. The C/LiFePO4/bio-C composite exhibits a superior electrochemical performance with discharge capacities of 105 mA h g−1, 93 mA h g−1 and 80 mA h g−1 at 5 C, 10 C and 20 C, respectively. Remarkably, it produces a high discharge capacity of 69.1 mA h g−1 and no fading after 50 cycles even at a high current density of 6800 mA g−1.

Graphical abstract: Biotemplated fabrication of a novel hierarchical porous C/LiFePO4/C composite for Li-ion batteries

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Article information


Submitted
05 Oct 2014
Accepted
28 Nov 2014
First published
01 Dec 2014

RSC Adv., 2015,5, 1983-1988
Article type
Paper
Author version available

Biotemplated fabrication of a novel hierarchical porous C/LiFePO4/C composite for Li-ion batteries

J. Song, L. Wang, Z. Ma, Z. Du, G. Shao, L. Kong and W. Gao, RSC Adv., 2015, 5, 1983
DOI: 10.1039/C4RA11816B

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