Skip to main content
Research article - Peer-reviewed, 2013

Mesoporous Anatase TiO2 Nanorods as Thermally Robust Anode Materials for Li-Ion Batteries: Detailed Insight into the Formation Mechanism

Seisenbaeva, Gulaim; Nedelec, Jean-Marie; Daniel, Geoffrey; Tiseanu, Carmen; Parvulescu, Vasile; Pol, Vilas G.; Abrego, Luis; Kessler, Vadim

Abstract

Uniformly mesoporous and thermally robust anatase nanorods were produced with quantitative yield by a simple and efficient one-step approach. The mechanism of this process was revealed by insertion of Eu3+ cations from the reaction medium as luminescent probes. The obtained structure displays an unusually high porosity, an active surface area of about 300m(2)g(-1) and a specific capacity of 167mAhg(-1) at a C/3 rate, making it attractive as an anode electrode for Li-ion batteries. An additional attractive feature is its remarkable thermal stability; heating to 400 degrees C results in a decrease in the active surface area to a still relatively high value of 110m(2)g(-1) with conservation of open mesoporosity. Thermal treatment at 800 degrees C or higher, however, causes transformation into a non-porous rutile monolith, as commonly observed with nanoscale titania.

Keywords

anatase; Li-ion battery performance; mesoporous materials; thermal stability; titania

Published in

Chemistry - A European Journal
2013, volume: 19, number: 51, pages: 17439-17444
Publisher: WILEY-V C H VERLAG GMBH

Authors' information

Swedish University of Agricultural Sciences, Department of Chemistry
Nedelec, Jean-Marie
Swedish University of Agricultural Sciences, Department of Forest Products
Tiseanu, Carmen
National Institute for Laser, Plasma and Radiation Physics
Parvulescu, Vasile
Pol, Vilas G.
Abrego, Luis
Swedish University of Agricultural Sciences, Department of Chemistry

UKÄ Subject classification

Materials Chemistry
Inorganic Chemistry
Other Materials Engineering

Publication Identifiers

DOI: https://doi.org/10.1002/chem.201303283

URI (permanent link to this page)

https://res.slu.se/id/publ/52485