Mechanism study of Li + insertion into titania nanotubes

Li + insertion into anatase titania nanotubes (TiO 2 nts) employing PEO-based polymer electrolyte has been studied by cyclic voltammetry and chronoamperometry. The study shows that Li + storage in the anatase is dominated by the bulk diffusion (into the lattice) and the increasing contribution of th...

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Bibliographic Details
Published in:RSC advances 2015, Vol.5 (36), p.28474-28477
Main Authors: Plylahan, Nareerat, Demoulin, Amélie, Chrystelle Lebouin, Chrystelle Lebouin, Knauth, Philippe, Djenizian, Thierry
Format: Article
Language:English
Subjects:
Chemical Sciences
Material chemistry
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Summary:Li + insertion into anatase titania nanotubes (TiO 2 nts) employing PEO-based polymer electrolyte has been studied by cyclic voltammetry and chronoamperometry. The study shows that Li + storage in the anatase is dominated by the bulk diffusion (into the lattice) and the increasing contribution of the pseudo-capacitive effect with faster kinetics. We also report that the chemical diffusion of Li + in self-organized TiO 2 nts is around 2 × 10 −16 cm 2 s −1 suggesting that the use of a solid electrolyte does not alter the charge transport in the nanostructured electrode.
ISSN:2046-2069
2046-2069
DOI:10.1039/C5RA03759J