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Mechanism study of Li+ insertion into titania nanotubes

Nareerat Plylahan 1 Amelie Demoulin 1 Chrystelle Lebouin 1 Philippe Knauth 1 Thierry Djenizian 1
1 MADIREL - Matériaux divisés, interfaces, réactivité, électrochimie
Abstract : 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 x 10(-16) cm(2) s(-1) suggesting that the use of a solid electrolyte does not alter the charge transport in the nanostructured electrode.
Keywords : LITHIUM-ION BATTERIES POLYMER ELECTROLYTES NANOPOROUS FILMS TIO2 ANATASE HIGH-ENERGY ELECTRODES MICROBATTERIES PERFORMANCE STORAGE SINGLE
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https://hal-amu.archives-ouvertes.fr/hal-01417414
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Submitted on : Thursday, December 15, 2016 - 3:54:15 PM
Last modification on : Monday, January 29, 2018 - 4:26:02 PM

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Nareerat Plylahan, Amelie Demoulin, Chrystelle Lebouin, Philippe Knauth, Thierry Djenizian. Mechanism study of Li+ insertion into titania nanotubes. RSC Advances, Royal Society of Chemistry, 2015, 5 (36), pp.28474. ⟨10.1039/c5ra03759j⟩. ⟨hal-01417414⟩

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