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Electrophoretic deposition of Li4Ti5O12 nanoparticles with a novel additive for Li-ion microbatteries

Nana Amponsah Kyeremateng 1 Ty Mai Dinh 1 David Pech 1, *
* Corresponding author
1 LAAS-ISGE - Équipe Intégration de Systèmes de Gestion de l'Énergie
LAAS - Laboratoire d'analyse et d'architecture des systèmes
Abstract : Electrophoretic deposition is presented as a handy and cost-effective technique to transfer nano-sized (powdered) electrode materials into thin-or thick-films for electrochemical energy storage applications. Electrophoretic deposition of Li4Ti5O12 nanoparticles is studied to prepare thick films as anodes for Li-ion microbatteries with MgCl2 additives-for the first time-as an efficient charging agent and a source of binder simultaneously. Electrochemical measurements in lithium test cells confirmed that the prepared thick-film Li4Ti5O12 electrode has good discharge (lithiation) capacities and cyclability, as well as good electronic and Li + transport properties. Indeed, electrophoretic deposition is demonstrated to be a suitable alternative to prepare self-supported micro-or nano-structured Li4Ti5O12 for Li-ion microbatteries.
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https://hal.laas.fr/hal-01873373
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Nana Amponsah Kyeremateng, Ty Mai Dinh, David Pech. Electrophoretic deposition of Li4Ti5O12 nanoparticles with a novel additive for Li-ion microbatteries. RSC Advances, Royal Society of Chemistry, 2015, 5 (76), pp.61502 - 61507. ⟨10.1039/c5ra11039d⟩. ⟨hal-01873373⟩

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