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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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García Lastra, Juan Maria
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (15/15 displayed)
- 2023Unveiling the plating-stripping mechanism in aluminum batteries with imidazolium-based electrolytescitations
- 2022Dual Role of Mo 6 S 8 in Polysulfide Conversion and Shuttle for Mg–S Batteriescitations
- 2021Computational design of ductile magnesium alloy anodes for magnesium ion batteriescitations
- 2020Multi‐Electron Reactions Enabled by Anion‐Based Redox Chemistry for High‐Energy Multivalent Rechargeable Batteriescitations
- 2020Multi-electron reactions enabled by anion-participated redox chemistry for high-energy multivalent rechargeable batteriescitations
- 2018Comparative DFT+U and HSE Study of the Oxygen Evolution Electrocatalysis on Perovskite Oxidescitations
- 2018Machine learning-based screening of complex molecules for polymer solar cellscitations
- 2016A Density Functional Theory Study of the Ionic and Electronic Transport Mechanisms in LiFeBO3 Battery Electrodescitations
- 2016A Density Functional Theory Study of the Ionic and Electronic Transport Mechanisms in LiFeBO 3 Battery Electrodescitations
- 2015Effect of Sb Segregation on Conductance and Catalytic Activity at Pt/Sb-Doped SnO2 Interface: A Synergetic Computational and Experimental Studycitations
- 2015Effect of Sb Segregation on Conductance and Catalytic Activity at Pt/Sb-Doped SnO 2 Interface: A Synergetic Computational and Experimental Studycitations
- 2013Stability and bandgaps of layered perovskites for one- and two-photon water splittingcitations
- 2012Understanding Periodic Dislocations in 2D Supramolecular Crystals: The PFP/Ag(111) Interfacecitations
- 2010Optical to ultraviolet spectra of sandwiches of benzene and transition metal atoms: Time dependent density functional theory and many-body calculationscitations
- 2010Graphene on metals: A van der Waals density functional studycitations
Places of action
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article
Multi‐Electron Reactions Enabled by Anion‐Based Redox Chemistry for High‐Energy Multivalent Rechargeable Batteries
Abstract
<jats:title>Abstract</jats:title><jats:p>The development of multivalent metal (such as Mg and Ca) based battery systems is hindered by lack of suitable cathode chemistry that shows reversible multi‐electron redox reactions. Cationic redox centres in the classical cathodes can only afford stepwise single‐electron transfer, which are not ideal for multivalent‐ion storage. The charge imbalance during multivalent ion insertion might lead to an additional kinetic barrier for ion mobility. Therefore, multivalent battery cathodes only exhibit slope‐like voltage profiles with insertion/extraction redox of less than one electron. Taking VS<jats:sub>4</jats:sub> as a model material, reversible two‐electron redox with cationic–anionic contributions is verified in both rechargeable Mg batteries (RMBs) and rechargeable Ca batteries (RCBs). The corresponding cells exhibit high capacities of >300 mAh g<jats:sup>−1</jats:sup> at a current density of 100 mA g<jats:sup>−1</jats:sup> in both RMBs and RCBs, resulting in a high energy density of >300 Wh kg<jats:sup>−1</jats:sup> for RMBs and >500 Wh kg<jats:sup>−1</jats:sup> for RCBs. Mechanistic studies reveal a unique redox activity mainly at anionic sulfides moieties and fast Mg<jats:sup>2+</jats:sup> ion diffusion kinetics enabled by the soft structure and flexible electron configuration of VS<jats:sub>4</jats:sub>.</jats:p>