Evaluation of Mg[B(HFIP)<sub>4</sub>]<sub>2</sub>-Based Electrolyte Solutions for Rechargeable Mg Batteries
Ben Dlugatch, Meera Mohankumar, Ran Attias, B. Murali Krishna, Yuval Elias, Yosef Gofer, David Zitoun, Doron Aurbach
Abstract
/DME solutions were found to enable reversible Mg deposition, albeit with a relatively low Coulombic efficiency of 95% during the first cycles. Prolonged deposition/dissolution cycling tests demonstrate a stable behavior of magnesium electrodes. Overall, this system presents a reasonable electrolyte solution and can serve as a basis for future efforts to develop chlorine-free alternatives for secondary magnesium batteries. It is clear that such a conditioning process is mandatory, as it removes reactive contaminants that lead to unavoidable passivation and deactivation of Mg electrodes from the solution.
Topics & Concepts
ElectrolyteDissolutionPassivationMagnesiumElectrochemistryMaterials scienceFaraday efficiencyDeposition (geology)Inorganic chemistryAnodeBattery (electricity)Chemical engineeringElectrodeChemistryNanotechnologyMetallurgyBiologySedimentPaleontologyPhysical chemistryEngineeringLayer (electronics)Quantum mechanicsPhysicsPower (physics)Layered Double Hydroxides Synthesis and ApplicationsMagnesium Alloys: Properties and ApplicationsAdvancements in Battery Materials