Abstract
The electrochemical reactions of Li with Mn2Sb and small amounts of MnSb have been investigated by Mössbauer spectroscopy and X-ray diffraction. The lithiation transforms initially the MnSb part and later the Mn2Sb part into amorphous LiMnSb. On further lithiation the LiMnSb phase transforms to rather well crystallized Li3Sb. In the Xray diffraction pattern for the fully lithiated sample extruded nanocrystalline Mn is seen for the first time in these type of electrodes. The first delithiation of Li.Sb results in a mixture of three phases Mn2Sb, MnSb and LiMnSb. After several cycles (charges and discharges) of the electrode the Mn2Sb phase disappears completely.
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Häggström, L., Ionica, C.M., Jumas, J.C., Aldon, L., Lippens, P.E., Edström, K. (2006). Structural transformations in lithiated Mn2Sb electrodes probed by Mössbauer spectroscopy and X-ray diffraction. In: Lippens, PE., Jumas, JC., Génin, JM.R. (eds) ICAME 2005. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-540-49853-7_9
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DOI: https://doi.org/10.1007/978-3-540-49853-7_9
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