| People | Locations | Statistics |
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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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Santangelo, Saveria
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (17/17 displayed)
- 2024Role of the Microstructure in the Li-Storage Performance of Spinel-Structured High-Entropy (Mn,Fe,Co,Ni,Zn) Oxide Nanofiberscitations
- 2023Charge Storage Mechanism in Electrospun Spinel‐Structured High‐Entropy (Mn<sub>0.2</sub>Fe<sub>0.2</sub>Co<sub>0.2</sub>Ni<sub>0.2</sub>Zn<sub>0.2</sub>)<sub>3</sub>O<sub>4</sub> Oxide Nanofibers as Anode Material for Li‐Ion Batteriescitations
- 2022High-Entropy Spinel Oxides Produced via Sol-Gel and Electrospinning and Their Evaluation as Anodes in Li-Ion Batteriescitations
- 2020Comparing the Performance of Nb2O5 Composites with Reduced Graphene Oxide and Amorphous Carbon in Li‐ and Na‐Ion Electrochemical Storage Devices
- 2019Transition metal oxides on reduced graphene oxide nanocomposites: Evaluation of physicochemical propertiescitations
- 2018Zinc oxide nanocolloids prepared by picosecond pulsed laser ablation in water at different temperaturescitations
- 2018Synthesis and characterization of Fe2O3/reduced graphene oxide nanocomposite as a high-performance anode material for sodium-ion batteries
- 2017Effect of Ti- or Si-doping on nanostructure and photo-electro-chemical activity of electro-spun iron oxide fibrescitations
- 2016Characterisation and H2O2 sensing properties of TiO2-CNTs/Pt electro-catalystscitations
- 2016Are electrospun carbon/metal oxide composite fibers relevant electrode materials for Li-ion batteries?citations
- 2016Electrospun coral-like α-Fe2O3 nanostructures for photoelectrochemical water splitting
- 2015Stabilization of Titanium Dioxide Nanoparticles at the Surface of Carbon Nanomaterials Promoted by Microwave Heatingcitations
- 2015Si-MODIFIED SOLVOTHERMAL SYTHESIS OF α-Fe2O3 FOR PHOTOELECTROCHEMICAL APPLICATIONS
- 2015Chemical Modification of Graphene Oxide through Diazonium Chemistry and Its Influence on the Structure-Property Relationships of Graphene Oxide-Iron Oxide Nanocompositescitations
- 2015A new approach to the synthesis of titania nano-powders enriched with very high contents of carbon nanotubes by electro-spinningcitations
- 2013Taguchi-Optimized Catalytic Growth of Carbon Nanotubes for Applications in Electro-Catalysis
- 2011Polylactide and carbon nanotubes/smectite-clay nanocomposites: Preparation, characterization, sorptive and electrical propertiescitations
Places of action
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article
Role of the Microstructure in the Li-Storage Performance of Spinel-Structured High-Entropy (Mn,Fe,Co,Ni,Zn) Oxide Nanofibers
Abstract
<jats:title>Abstract</jats:title><jats:p>High-entropy oxides with spinel structure (SHEOs) are promising anode materials for next-generation lithium-ion batteries (LIBs). In this work, electrospun (Mn,Fe,Co,Ni,Zn) SHEO nanofibers produced under different conditions are evaluated as anode materials in LIBs and thoroughly characterised by a combination of analytical techniques. The variation of metal load (19.23 or 38.46 wt% relative to the polymer) in the precursor solution and of calcination conditions (700°C/0.5 h, or 700°C/2 h followed by 900°C/2 h) affects the morphology, microstructure, crystalline phase, and surface composition of the pristine SHEO nanofibers and the resulting electrochemical performance, whereas mechanism of Li storage does not substantially change. Causes of long-term (650 cycles) capacity fading are elucidated via ex situ synchrotron X-ray absorption spectroscopy. The results evidence that the larger amounts of Fe, Co, and Ni cations irreversibly reduced to the metallic form during cycling are responsible for faster capacity fading in nanofibers calcined under milder conditions. The microstructure of the active material plays a key role. Nanofibers composed by larger and better-crystallized grains, where a stable solid/electrolyte interphase forms, exhibit superior long-term stability (453 mAh g1 after 550 cycles at 0.5 A g1) and rate-capability (210 mAh g1 at 2 A g1).</jats:p>