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Updated: Apr 29, 2026

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Characterization of Electrode Materials for Lithium Ion and Sodium Ion Batteries Using Synchrotron Radiation Techniques
Published on: November 11, 2013
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The reversible anomalous high lithium capacity of MnO₂ nanowires
Jaehee Song1, Jonathon Duay, Eleanor Gillette
1Department of Chemistry and Biochemistry, University of Maryland, College Park, Maryland 20742, USA. slee@umd.edu.
Abstract:
MnO2 as a material for supercapacitors is generally predicted to insert only one cation per unit cell. However, it is shown here to reversibly insert more than one cation in an organic electrolyte; however, in an aqueous electrolyte, the insertion ion is actually shown to be a combination of protons and cations.

