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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
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article
Surface Engineering of a Mg Electrode via a New Additive to Reduce Overpotential
Abstract
In nonaqueous Mg batteries, inactive adsorbed species and the passivation layer formed from the reactive Mg with impurities in the electrolyte seriously affect the Mg metal/electrolyte interface. These adlayers can impede the passage of Mg$^{2+}$ ions, leading to a high Mg plating/stripping overpotential. Herein, we report the properties of a new additive, bismuth triflate (Bi(OTf)$_{3}$), for synthesizing a chlorine-free Mg electrolyte to enhance Mg plating/stripping from initial cycles. The beneficial effect of Bi(OTf)$_{3}$ can be ascribed to Bi/Mg$_{3}$Bi$_{2}$ formed in situ on the Mg metal surface, which increases the charge transfer during the on–off transition by reducing the adsorption of inactive species on the Mg surface and enhancing the resistance of the reactive surface to passivation. This simple method provides a new avenue to improve the compatibility between the Cl-free Mg electrolyte and the Mg metal anode.