AZ31 Magnesium Alloy Foils as Thin Anodes for Rechargeable Magnesium Batteries
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- Ananya Maddegalla
- Department of Chemistry Bar Ilan University Ramat Gan Israel
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- Ayan Mukherjee
- Department of Chemistry Bar Ilan University Ramat Gan Israel
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- J. Alberto Blázquez
- CIDETEC Basque Research and Technology Alliance (BRTA) P Miramón, 196 Donostia-San Sebastián 20014 Spain
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- Eneko Azaceta
- CIDETEC Basque Research and Technology Alliance (BRTA) P Miramón, 196 Donostia-San Sebastián 20014 Spain
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- Olatz Leonet
- CIDETEC Basque Research and Technology Alliance (BRTA) P Miramón, 196 Donostia-San Sebastián 20014 Spain
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- Aroa R. Mainar
- CIDETEC Basque Research and Technology Alliance (BRTA) P Miramón, 196 Donostia-San Sebastián 20014 Spain
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- Aleksey Kovalevsky
- Israel Institute of Metals Technion R&D Foundation Technion City Haifa 3200003 Israel
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- Daniel Sharon
- Department of Chemistry Bar Ilan University Ramat Gan Israel
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- Jean‐Frédéric Martin
- Univ. Grenoble Alpes, CEA, Liten, DEHT Grenoble 38000 France
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- Dane Sotta
- Univ. Grenoble Alpes, CEA, Liten, DEHT Grenoble 38000 France
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- Yair Ein‐Eli
- Department of Materials Science and Engineering Technion-Israel Institute of Technology Haifa 3200003 Israel
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- Doron Aurbach
- Department of Chemistry Bar Ilan University Ramat Gan Israel
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- Malachi Noked
- Department of Chemistry Bar Ilan University Ramat Gan Israel
説明
<jats:title>Abstract</jats:title><jats:p>In recent decades, rechargeable Mg batteries (RMBs) technologies have attracted much attention because the use of thin Mg foil anodes may enable development of high‐energy‐density batteries. One of the most critical challenges for RMBs is finding suitable electrolyte solutions that enable efficient and reversible Mg cells operation. Most RMB studies concentrate on the development of novel electrolyte systems, while only few studies have focused on the practical feasibility of using pure metallic Mg as the anode material. Pure Mg metal anodes have been demonstrated to be useful in studying the fundamentals of nonaqueous Mg electrochemistry. However, pure Mg metal may not be suitable for mass production of ultrathin foils (<100 microns) due to its limited ductility. The metals industry overcomes this problem by using ductile Mg alloys. Herein, the feasibility of processing ultrathin Mg anodes in electrochemical cells was demonstrated by using AZ31 Mg alloys (3 % Al; 1 % Zn). Thin‐film Mg AZ31 anodes presented reversible Mg dissolution and deposition behavior in complex ethereal Mg electrolytes solutions that was comparable to that of pure Mg foils. Moreover, it was demonstrated that secondary Mg battery prototypes comprising ultrathin AZ31 Mg alloy anodes (≈25 μm thick) and Mg<jats:sub><jats:italic>x</jats:italic></jats:sub>Mo<jats:sub>6</jats:sub>S<jats:sub>8</jats:sub> Chevrel‐phase cathodes exhibited cycling performance equal to that of similar cells containing thicker pure Mg foil anodes. The possibility of using ultrathin processable Mg metal anodes is an important step in the realization of rechargeable Mg batteries.</jats:p>
収録刊行物
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- ChemSusChem
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ChemSusChem 14 (21), 4690-4696, 2021-08-31
Wiley