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Hollow TiO 2 as an Anode for Lithium Ion Batteries: Synthesis and In Situ Visualization of State of Charge
Author(s) -
Huang Xingkang,
Cui Shumao,
Wieboldt Richard C.,
Hallac Peter B.,
Fell Christopher R.,
Metz Bernhard,
Jiang Junwei,
Chen Junhong
Publication year - 2015
Publication title -
advanced electronic materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.25
H-Index - 56
ISSN - 2199-160X
DOI - 10.1002/aelm.201500256
Subject(s) - anode , materials science , lithium (medication) , raman spectroscopy , template , nanotechnology , in situ , titanium , ion , electrode , metallurgy , chemistry , organic chemistry , medicine , physics , endocrinology , optics
Hollow TiO 2 is synthesized through hydrolysis of titanium tetraisopropoxide on CaCO 3 templates to facilitate lithium ion insertion into and extraction from the TiO 2 bulk. The hollow TiO 2 is capable of delivering 255.9 mAh g −1 with excellent cycling performance. The lithiation mechanism of the TiO 2 anode is investigated using an in situ Raman spectroscopic imaging technique.

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