Recent Developments in New Host Structures
The reverse of the intercalation process involves oxidizing an intercalation compound to generate the host frame into which the ions were inserted. This frame was reduced during intercalation, and it is in turn oxidized by a more oxidizing agent that removes the mobile intercalated species (for example an alkali metal). Many reagents are sufficiently oxidizing to do this reaction, but it is necessary to use proper solventsto avoid hydrolysis for instance. Also, during the reaction Lix MXn → xLi++xe− +MXn, the oxidized and reduced forms of the reagent should be soluble in the non-reactive solvent.
KeywordsOctahedral Site Solid State Ionic Iron Site Occupancy Ratio Sulfur Environment
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