A5083979378- Advancements in Battery Materials
- Magnesium Alloys: Properties and Applications
- Advanced Battery Materials and Technologies
- Layered Double Hydroxides Synthesis and Applications
- Advanced battery technologies research
- Chemical and Physical Properties in Aqueous Solutions
- Hydrogen Storage and Materials
- Membrane-based Ion Separation Techniques
- Chemical Synthesis and Characterization
- Corrosion Behavior and Inhibition
- Electrodeposition and Electroless Coatings
- Extraction and Separation Processes
- Ionic liquids properties and applications
- Inorganic Fluorides and Related Compounds
- Supercapacitor Materials and Fabrication
- Zeolite Catalysis and Synthesis
- Thermal Expansion and Ionic Conductivity
Bar-Ilan University
2020-2025
Ministry of Energy
2025
Abstract Tunnel‐type sodium manganese oxide is a promising cathode material for aqueous/nonaqueous sodium‐ion batteries, however its storage mechanism not fully understood, in part due to the complicated intercalation process. In addition, low cyclability dissolution has limited practical application rechargeable batteries. Here, intricate of Na 0.44 MnO 2 revealed by combination electrochemical characterization, structure determination from powder X‐ray diffraction data, 3D bond valence...
Abstract Battery technologies based in multivalent charge carriers with ideally two or three electrons transferred per ion exchanged between the electrodes have large promises raw performance numbers, most often expressed as high energy density, and are also on materials that widely abundant less expensive. Yet, these still globally their infancy, some concepts (e.g. Mg metal) being more technologically mature. The challenges to address derived one side from highly polarizing nature of ions...
Most electrolyte solutions supporting highly reversible Mg deposition/dissolution contain chlorides. These come as charged or neutral complex species, frequently Mg-based ions, and Lewis-base anions. The electroactive species are usually comprised also of solvent molecules chlorides ligands. Numerous studies had shown the critical role Cl-based on electrochemical reaction kinetics, deposition dissolution overpotentials, electrocrystallization morphology, many other imperative aspects...
The interfacial electrochemical characteristics of unpassivated Mg metal electrodes have been studied using Staircase Galvano Electrochemical Impedance Spectroscopy (SGEIS) in THF/C6H5MgCl/AlCl3 solutions over a wide range applied dc currents. results shed light on the mechanism deposition and dissolution Mg. We found that at stationary condition (at OCV, when no current flows) there is very high charge-transfer resistance around 40,000 Ωcm2. impedance decreases to several hundred Ωcm2...
Abstract The chemistry of the electrolyte solutions that enable reversible Mg deposition is not trivial. Such are currently limited to ethereal solvents and most them contain chlorides complexes. These ionic complexes have important role in performance. However, presence these complicates cathode side because such compatible with commonly used metallic current collectors for cathodes. Consequently, it questionable whether possible synthesize fully functional Cl-free suitable commercial...
Abstract The chemistry of the electrolyte solutions that enable reversible Mg deposition is not trivial. Such are currently limited to ethereal solvents and most them contain chlorides complexes. These ionic complexes have important role in performance. However, presence these complicates cathode side because such compatible with commonly used metallic current collectors for cathodes. Consequently, it questionable whether possible synthesize fully functional Cl-free suitable commercial...
Abstract The development of efficient electrolytes is crucial for advancing magnesium (Mg) batteries, which hold promise next‐generation energy storage systems. Previously, such as [Mg 2 (μ‐Cl) 3 ⋅ 6THF] + [Ph 4 Al] − , A, and AlCl] B have been studied, but their performance has limited by issues related to ion dissociation electrochemical stability. In this study, we report the synthesis novel introducing polydentate ligands these known systems, leading formation [DME MgCl 3THF] 1 [DG 2THF]...
Rechargeable magnesium metal batteries (RMBs) represent a promising sustainable energy storage technology, complementary to lithium-ion and sodium-ion due their superior volumetric density, cost-effectiveness, safety. However, widespread adoption is hindered by limited electrolyte options the formation of Mg ion-insulating surface films that cannot behave as solid-electrolyte-interphases. Here, after considering binding affinity with Mg²⁺ steric hindrance, we report single-solvent system...
One of the greatest challenges toward rechargeable magnesium batteries is development noncorrosive electrolyte solutions with high anodic stability that can support reversible Mg deposition/dissolution. In last few years, based on Cl-free fluorinated alkoxyborates were investigated for due to their and ionic conductivity possibility deposition/dissolution in ethereal solvents. Here, electrochemical performance Mg[B(hexafluoroisopropanol)4]2/dimethoxyethane (Mg[B(HFIP)4]2/DME) was examined....
The design of electrolyte solutions that permit reversible and efficient Mg metal electrodeposition is one the most important tasks in development rechargeable batteries. Several types for anodes have been developed explored over last two decades. These investigations contributed to a better understanding deposition stripping processes. However, Coulombic efficiency (CE) reported these various systems their performance comparison another remained unclear. We used rigorous electrochemical...
One of the major issues in developing electrolyte solutions for rechargeable magnesium batteries is understanding positive effect chloride anions on Mg deposition-dissolution processes anode side, as well intercalation-deintercalation 2+ ions cathode side. Our previous results suggested that Cl − are adsorbed surface anodes and Chevrel phase x Mo 6 S 8 cathodes. This creates a add-layer reduces activation energy interfacial transportation related charge transfer, promotes transport from...
Zinc-based batteries are gaining attention as a promising candidate for large-scale energy storage systems due to their safety, abundance of elemental zinc, low cost, and ease handling in air. However, only few zinc materials, namely, intercalation cathode were reported, there is need develop host structures with improved performance. Here, we investigate copper vanadate material uncover its proton behavior by combined electrochemical characterization, XRD analysis, ion migration barrier...
The development of efficient electrolytes is crucial for advancing magnesium (Mg) batteries, which hold promise next-generation energy storage systems. Previously, such as [Mg2(µ-Cl)3•6THF]+ [Ph4Al]-, A, and [Ph3AlCl]-, B, have been studied, but their performance has limited by issues related to ion dissociation electrochemical stability. In this study, we report the synthesis novel introducing polydentate ligands these known systems, leading formation [DME•MgCl•3THF]+ [Ph4Al]- 1...