In-situ lithiation of lithium manganese oxide in a transmission electron microscope

by Torben Erichsen
Doctoral thesis
Date of Examination:2022-03-22
Date of issue:2023-03-15
Advisor:Prof. Dr. Cynthia Volkert
Referee:Prof. Dr. Cynthia Volkert
Referee:PD Dr. Michael Seibt
Persistent Address: http://dx.doi.org/10.53846/goediss-9792

 

 

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Abstract

English

This thesis presents in-situ studies of the lithiation of lithium manganese oxide in a transmission electron microscope. It focuses on the phase transitions from spinel to tetragonal phase and the role of defects on lithiation. Besides direct imaging and diffraction for structural analysis, electron energy loss spectroscopy is used to provide chemical information.
Keywords: lithium manganese oxide; spinel; tetragonal; electron energy loss spectroscopy; twinning; defects; interface; lithiation; transmission electron microscopy; in-situ
 
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