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Naji, M. |
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Motta, Antonella |
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Aletan, Dirar |
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Mohamed, Tarek |
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Ertürk, Emre |
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Taccardi, Nicola |
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Kononenko, Denys |
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Petrov, R. H. | Madrid |
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Alshaaer, Mazen | Brussels |
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Bih, L. |
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Casati, R. |
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Muller, Hermance |
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Kočí, Jan | Prague |
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Šuljagić, Marija |
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Kalteremidou, Kalliopi-Artemi | Brussels |
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Azam, Siraj |
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Ospanova, Alyiya |
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Blanpain, Bart |
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Ali, M. A. |
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Popa, V. |
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Rančić, M. |
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Ollier, Nadège |
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Azevedo, Nuno Monteiro |
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Landes, Michael |
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Rignanese, Gian-Marco |
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Lorenzi, Roberto
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (19/19 displayed)
- 2024Host–Guest Interactions and Transport Mechanism in Poly(vinylidene fluoride)-Based Quasi-Solid Electrolytes for Lithium Metal Batteriescitations
- 2024On the Origin of the Light Yield Enhancement in Polymeric Composite Scintillators Loaded with Dense Nanoparticlescitations
- 2024PVDF‐HFP Based, Quasi‐Solid Nanocomposite Electrolytes for Lithium Metal Batteriescitations
- 2023Lignin-derived bimetallic platinum group metal-free oxygen reduction reaction electrocatalysts for acid and alkaline fuel cellscitations
- 2023Layered Y3Al5O12:Pr/Gd3(Ga,Al)5O12:Ce optical ceramics: Synthesis and photo-physical propertiescitations
- 2023Highly Reversible Ti/Sn Oxide Nanocomposite Electrodes for Lithium Ion Batteries Obtained by Oxidation of Ti<sub>3</sub>Al<sub>(1‐x)</sub>Sn<sub>x</sub>C<sub>2</sub> Phasescitations
- 2022Unveiling the Role of PEO-Capped TiO2 Nanofiller in Stabilizing the Anode Interface in Lithium Metal Batteriescitations
- 2022Promising Electrocatalytic Water and Methanol Oxidation Reaction Activity by Nickel Doped Hematite/Surface Oxidized Carbon Nanotubes Composite Structurescitations
- 2021Crystallization processes of spinel-like gallium oxide nanocrystals in germano-silicate bulk glassceramics and thin films
- 2021Lenticular Ga-oxide nanostructures in thin amorphous germanosilicate layers - Size control and dimensional constraintscitations
- 2019Responsive charge transport in wide-band-gap oxide films of nanostructured amorphous alkali-gallium-germanosilicatecitations
- 2016Hafnium dioxide luminescent nanoparticles: structure and emission control through doping and thermal treatments
- 2015Energy transfer process between γ-Ga2O3 nanocrystals and Gd3+ ions in nanostructured germano-silicate glassceramic.
- 2012Structural rearrangement at the yttrium-depleted surface of HCl-processed yttrium aluminosilicate glass for 90Y-microsphere brachytherapycitations
- 2012Microfluorescence Analysis of Nanostructuring Inhomogeneity in Optical Fibers with Embedded Gallium Oxide Nanocrystalscitations
- 2012SnO2:Snox core-shell QD in glass: charge transport and UV emission in fully inorganic electroluminescent devices
- 2010Electrically tunable dielectric function in glass with tree like percolating pathways of chargeable conductive nanoparticles
- 2009Electric field induced structural modification and second order optical nonlinearity in potassium niobium silicate glasscitations
- 2007Efficient 1.53 mu m erbium light emission in heavily Er-doped titania-modified aluminium tellurite glassescitations
Places of action
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article
Highly Reversible Ti/Sn Oxide Nanocomposite Electrodes for Lithium Ion Batteries Obtained by Oxidation of Ti<sub>3</sub>Al<sub>(1‐x)</sub>Sn<sub>x</sub>C<sub>2</sub> Phases
Abstract
<jats:title>Abstract</jats:title><jats:p>Among the materials for the negative electrodes in Li‐ion batteries, oxides capable of reacting with Li<jats:sup>+</jats:sup> via intercalation/conversion/alloying are extremely interesting due to their high specific capacities but suffer from poor mechanical stability. A new way to design nanocomposites based on the (Ti/Sn)O<jats:sub>2</jats:sub> system is the partial oxidation of the tin‐containing MAX phase of Ti<jats:sub>3</jats:sub>Al<jats:sub>(1‐x)</jats:sub>Sn<jats:sub>x</jats:sub>O<jats:sub>2</jats:sub> composition. Exploiting this strategy, this work develops composite electrodes of (Ti/Sn)O<jats:sub>2</jats:sub> and MAX phase capable of withstanding over 600 cycles in half cells with charge efficiencies higher than 99.5% and specific capacities comparable to those of graphite and higher than lithium titanate (Li<jats:sub>4</jats:sub>Ti<jats:sub>5</jats:sub>O<jats:sub>12</jats:sub>) or MXenes electrodes. These unprecedented electrochemical performances are also demonstrated at full cell level in the presence of a low cobalt content layered oxide and explained through an accurate chemical, morphological, and structural investigation which reveals the intimate contact between the MAX phase and the oxide particles. During the oxidation process, electroactive nanoparticles of TiO<jats:sub>2</jats:sub> and Ti<jats:sub>(1‐y)</jats:sub>Sn<jats:sub>y</jats:sub>O<jats:sub>2</jats:sub> nucleate on the surface of the unreacted MAX phase which therefore acts both as a conductive agent and as a buffer to preserve the mechanical integrity of the oxide during the lithiation and delithiation cycles.</jats:p>