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High energy and power density TiO2 nanotube electrodes for single and complete lithium-ion batteries

Nareerat Plylahan 1 Manon Letiche 1 Maïssa Kenza Samy Barr 1 Brian Ellis 1 Sébastien Maria 2 Trang N.T. Phan 2 Emily Bloch 1 Philippe Knauth 1 Thierry Djenizian 1
1 MADIREL - Matériaux divisés, interfaces, réactivité, électrochimie
2 ICR - Institut de Chimie Radicalaire
Abstract : The benefits of the conformal coating of polyethylene oxide (PEO)-based polymer electrolyte by the electropolymerization technique on titania nanotubes (TiO(2)nts) are highlighted. Due to the presence of polymer electrolyte coating the nanotubes, the capacity of the half cell is improved by 45% at 1 C compared to bare TiO2nts. The polymer-coated TiO2nts in the full cell deliver an average capacity of similar to 30 mu A h cm(-2) (120 mA h g(-1)) with LiNi0.5M1.5O4, similar to 25 mu A h cm(-2) (100 mA h g(-1)) with LiFePO4 and similar to 23 mu A h cm(-2) (90 mA h g(-1)) with LiCoO2, respectively during 50 cycles. (C) 2014 Elsevier B.V. All rights reserved.
Keywords : Lithium-ion microbatteries Self-organized titania nanotubes Electropolymerization Polymer electrolyte Conformal deposition Rocking chair batteries
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Journal articles
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https://hal-amu.archives-ouvertes.fr/hal-01417430
Contributor : Laurence Tortet <>
Submitted on : Thursday, December 15, 2016 - 4:05:14 PM
Last modification on : Monday, January 29, 2018 - 4:26:02 PM

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UNIV-AMU | CNRS | INC-CNRS | MADIREL

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Nareerat Plylahan, Manon Letiche, Maïssa Kenza Samy Barr, Brian Ellis, Sébastien Maria, et al.. High energy and power density TiO2 nanotube electrodes for single and complete lithium-ion batteries. Journal of Power Sources, Elsevier, 2015, 273, pp.1182 - 1188. ⟨10.1016/j.jpowsour.2014.09.152⟩. ⟨hal-01417430⟩

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