In situ TEM observation of the structural transformation of rutile TiO2 nanowire during electrochemical lithiation

Sung Joo Kim; Sun-Young Noh; Alireza Kargar; Deli Wang; George W. Graham; Xiaoqing Pan

doi:10.1039/C4CC04161E

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In situ TEM observation of the structural transformation of rutile TiO₂ nanowire during electrochemical lithiation†

Sung Joo Kim,^a Sun-Young Noh,^b Alireza Kargar,^b Deli Wang,^b George W. Graham^a and Xiaoqing Pan*^a

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* Corresponding authors

^a Department of Materials Science and Engineering, University of Michigan, 2300 Hayward St., Ann Arbor, Michigan 48109, USA
E-mail: panx@umich.edu

^b Department of Electrical and Computer Engineering, University of California-San Diego, 9500 Gilman Dr., La Jolla, California 92093, USA

Abstract

We present the first direct experimental proof that phase changes occur during the real-time lithiation of rutile TiO₂ nanostructures, functioning as the anode of a solid Li-ion battery inside a transmission electron microscope.

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Article information

DOI: https://doi.org/10.1039/C4CC04161E
Article type: Communication
Submitted: 30 May 2014
Accepted: 09 Jul 2014
First published: 09 Jul 2014

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Chem. Commun., 2014,50, 9932-9935

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In situ TEM observation of the structural transformation of rutile TiO₂ nanowire during electrochemical lithiation

S. J. Kim, S. Noh, A. Kargar, D. Wang, G. W. Graham and X. Pan, Chem. Commun., 2014, 50, 9932 DOI: 10.1039/C4CC04161E

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