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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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Wang, Liping
University of Ulm
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (7/7 displayed)
- 2024Recent developments and future prospects of magnesium–sulfur batteriescitations
- 2023Addressing the Sluggish Kinetics of Sulfur Redox for High‐Energy Mg–S Batteriescitations
- 2023Addressing the Sluggish Kinetics of Sulfur Redox for High‐Energy Mg–S Batteriescitations
- 2022Dual Role of Mo 6 S 8 in Polysulfide Conversion and Shuttle for Mg–S Batteriescitations
- 2022Dual Role of Mo<sub>6</sub>S<sub>8</sub> in Polysulfide Conversion and Shuttle for Mg–S Batteriescitations
- 2021Surface Engineering of a Mg Electrode via a New Additive to Reduce Overpotentialcitations
- 2013Tribochemically Active Ti–C–S Nanocomposite Coatingscitations
Places of action
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article
Dual Role of Mo<sub>6</sub>S<sub>8</sub> in Polysulfide Conversion and Shuttle for Mg–S Batteries
Abstract
<jats:title>Abstract</jats:title><jats:p>Magnesium–Sulfur batteries are one of most appealing options among the post‐lithium battery systems due to its potentially high energy density, safe and sustainable electrode materials. The major practical challenges are originated from the soluble magnesium polysulfide intermediates and their shuttling between the electrodes, which cause high overpotentials, low sulfur utilization, and poor Coulombic efficiency. Herein, a functional Mo<jats:sub>6</jats:sub>S<jats:sub>8</jats:sub> modified separator is designed to effectively address these issues. Both the experimental results and density functional theory calculations show that the electrochemically active Mo<jats:sub>6</jats:sub>S<jats:sub>8</jats:sub> layer has a superior adsorption capability of polysulfides and simultaneously acts as a mediator to accelerate the polysulfide conversion kinetics. Remarkably, the magnesium–sulfur cell assembled with the functional separator delivers a high specific energy density (942.9 mA h g<jats:sup>−1</jats:sup> in the 1st cycle) and can be cycled at 0.2 C for 200 cycles with a Coulombic efficiency of 96%. This work demonstrates a new design concept toward high‐performance metal–sulfur batteries.</jats:p>