The direct dissolution of metals into ionic liquid (IL) is complicated in comparison to the same process in aqueous solution. The inclusion of traditional acids into the IL does not provide the same mechanistic pathway for dissolving metals. In addition, purely ionic solutions do not readily isolate other ionic charge interactions and promote solubility. These barriers can be overcome using the inherent properties of the IL combined with water. The interaction between water and IL is critically important in defining both the physical and chemical properties of the system and the ultimate solubility of metals. With sufficient solubility the IL/metal solutions can be utilized to examine the electrochemistry properties of the metals that are inaccessible in aqueous environments. The solubility and electrochemistry of metals in IL will be explored exploiting the unique chemical and physical properties of the system. The electrochemical reduction of electrochemical species traditionally precluded in aqueous systems such as Li+, Ce3+, UO2+, and novel species such as U(TFSI)3 will be discussed.
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