A Fundamental Electrochemical Investigation of Bromoaluminate and Mixed Chloro-Bromoaluminate Room Temperature Molten Salt Systems

Abstract : In this project, the chemical and electrochemical properties of the bromoaluminate molten salt system were determined. With knowledge of the bromide system, the chemical and electrochemical properties of the mixed chloro- bromoaluminate molten salt system were determined, allowing further work on the applicability of these systems as electrolytes in high density electrical storage devices. The qualitative electrochemical behavior of the bromide and chloride systems were compared. The systems were found to behave similarly, but the basic bromide system had two oxidative processes, compared to the single process of the chloride system. The bromide system was also shown to have a smaller electrochemical voltage window.