Intergrown Li2FeSiO4·LiFePO4–C nanocomposites as high-capacity cathode materials for lithium-ion batteries

Haiyan Gao; Zhe Hu; Kai Zhang; Fangyi Cheng; Jun Chen

doi:10.1039/C3CC40565F

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Intergrown Li₂FeSiO₄·LiFePO₄–C nanocomposites as high-capacity cathode materials for lithium-ion batteries†

Haiyan Gao,^a Zhe Hu,^a Kai Zhang,^a Fangyi Cheng^a and Jun Chen*^a

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* Corresponding authors

^a Key Laboratory of Advanced Energy Materials Chemistry (Ministry of Education), College of Chemistry, Nankai University, Tianjin, P. R. China
E-mail: chenabc@nankai.edu
Fax: +86-22-23509571
Tel: +86-22-23506808

Abstract

Intergrown Li₂FeSiO₄·LiFePO₄–C nanocomposites with different compositions were synthesized by a tartaric acid assisted sol–gel method. The 0.96Li₂FeSiO₄·0.04LiFePO₄–C nanocomposites exhibited greatly enhanced electrochemical properties, attaining a high discharge capacity up to 284.7 mA h g⁻¹ (equal to ca. 1.72 Li⁺ per molecule) at 45 °C.

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Article information

DOI: https://doi.org/10.1039/C3CC40565F
Article type: Communication
Submitted: 23 Jan 2013
Accepted: 27 Feb 2013
First published: 27 Feb 2013

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Chem. Commun., 2013,49, 3040-3042

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Intergrown Li₂FeSiO₄·LiFePO₄–C nanocomposites as high-capacity cathode materials for lithium-ion batteries

H. Gao, Z. Hu, K. Zhang, F. Cheng and J. Chen, Chem. Commun., 2013, 49, 3040 DOI: 10.1039/C3CC40565F

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