Abstract
A novel in situ electrochemical cell for 57Fe Mössbauer measurements was developed in order to clarify the mechanisms of solid-state redox reactions in lithium insertion materials containing iron. Our in situ Mössbauer technique was successfully applied to the determination as to which transition metal ion was a redox center in the insertion electrodes, such as LiFe0.5Mn1.5O4, LiFeTiO4, or LiFe0.25Ni0.75O2, for the lithium-ion batteries.
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Sakai, Y., Ariyoshi, K. & Ohzuku, T. In situ 57Fe Mössbauer Investigation of Solid-State Redox Reactions of Lithium Insertion Electrodes for Advanced Batteries. Hyperfine Interactions 139, 67–76 (2002). https://doi.org/10.1023/A:1021219304820
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DOI: https://doi.org/10.1023/A:1021219304820