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Issue 20, 2018
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Fast and stable lithium-ion storage kinetics of anatase titanium dioxide/carbon onion hybrid electrodes

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Abstract

Research on alternatives to replace conventional graphite anodes is needed to advance lithium-ion battery technology. In this work, an anatase nano-TiO2/carbon onion hybrid material (nano-TiO2–C) is introduced as a rapid and stable lithium storage anode material, synthesized by a simple synthetic route using tailored sol–gel chemistry. The nano-TiO2–C hybrid material provides highly reversible capacity (166 mA h g−1 at 0.02 A g−1), promising rate capability (61 mA h g−1 at 5 A g−1), and long-term cycle stability (capacity retention: 94% at 1 A g−1 for 1000 cycles). We demonstrate that hybridization of nano-TiO2 with carbon onions improves the high rate performance significantly.

Graphical abstract: Fast and stable lithium-ion storage kinetics of anatase titanium dioxide/carbon onion hybrid electrodes

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Supplementary files

Article information


Submitted
11 Mar 2018
Accepted
02 May 2018
First published
02 May 2018

J. Mater. Chem. A, 2018,6, 9480-9488
Article type
Paper

Fast and stable lithium-ion storage kinetics of anatase titanium dioxide/carbon onion hybrid electrodes

E. Lim, H. Shim, S. Fleischmann and V. Presser, J. Mater. Chem. A, 2018, 6, 9480
DOI: 10.1039/C8TA02293C

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