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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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Marangon, Vittorio
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Topics
Publications (11/11 displayed)
- 2024Effective Liquid Electrolytes for Enabling Room‐Temperature Sodium–Sulfur Batteriescitations
- 2024Scalable Li‐Ion Battery with Metal/Metal Oxide Sulfur Cathode and Lithiated Silicon Oxide/Carbon Anode
- 2024A lithium-ion battery with cycling stability promoted by the progressive activation of a silicon oxide anode in graphene-amorphous carbon matrixcitations
- 2023Reciprocal irreversibility compensation of LiNi0.2Co0.2Al0.1Mn0.45O2 cathode and silicon oxide anode in new Li-ion batterycitations
- 2023Current collectors based on multiwalled carbon-nanotubes and few-layer graphene for enhancing the conversion process in scalable lithium-sulfur batterycitations
- 2023Diffusional Features of a Lithium-Sulfur Battery Exploiting Highly Microporous Activated Carboncitations
- 2023Diffusional Features of a Lithium‐Sulfur Battery Exploiting Highly Microporous Activated Carboncitations
- 2023Influence of Ion Diffusion on the Lithium-Oxygen Electrochemical Process and Battery Application Using Carbon Nanotubes-Graphene Substratecitations
- 2022Next Generation Energy Storage Systems based on Sulfur
- 2022Scalable Composites Benefiting from Transition‐Metal Oxides as Cathode Materials for Efficient Lithium‐Sulfur Batteriescitations
- 2017A New CuO-Fe2 O3 -Mesocarbon Microbeads Conversion Anode in a High-Performance Lithium-Ion Battery with a Li1.35 Ni0.48 Fe0.1 Mn1.72 O4 Spinel Cathodecitations
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article
Effective Liquid Electrolytes for Enabling Room‐Temperature Sodium–Sulfur Batteries
Abstract
<jats:title>Abstract</jats:title><jats:p>Glyme‐based electrolytes for sodium‐sulfur (Na–S) batteries are proposed for advanced cell configuration. Solutions of NaClO<jats:sub>4</jats:sub> or NaCF<jats:sub>3</jats:sub>SO<jats:sub>3</jats:sub> in tetraglyme are investigated in terms of thermal stability, ionic conductivity, Na<jats:sup>+</jats:sup>‐transference number, electrochemical stability, stripping‐deposition ability, and chemical stability in Na‐cells. Subsequently, versions of the electrolytes doped with fluoroethylene carbonate (FEC) are prepared using 0.5, 1, 2, or 3% additive weight concentrations, and evaluated by adopting the same approach used for the bare solutions. Scanning electron microscopy (SEM) provides morphological details of the passivation layer formed on the Na electrodes, while X‐ray photoelectron spectroscopy (XPS) sheds light on its composition. The most relevant achievement of the FEC‐added electrolyte is the suppression of the polysulfide shuttle in Na–S cells using a cathode with 70 wt.% of sulfur in the composite. This result appears even more notable considering the low amount of the additive requested for enabling the reversible cell operation. The solutions using 1% of FEC show the best compromise between cell performance and stability. Cyclic voltammetry (CV) displays the potential region related to the FEC electrochemical process responsible for Na–S cell operation. The understanding of the electrolyte features enables additional cycling tests using sulfur cathode with an optimized current collector, increased specific capacity, and coulombic efficiency.</jats:p>