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Li Diffusion in All-Solid-State Batteries Imaged Through Optically and Electron Transparent Electrodes



Alexander Yulaev, Alec Talin, Leite Marina, Andrei Kolmakov


We report spatially- and depth-resolved study of Li intercalation into a thin-film solid electrolyte applying a combination of optical and electron microscopy. Due to difference in electron yield from pristine and lithiated LiPON regions, the Li transport in the electrolyte can be mapped using different electron beam accelerating voltages. Varying the depth of electron interaction volume by changing energy of electron beam from 2 keV to 15 keV, we selectively probe an electrolyte lithiated on one side at different depths. This approach can be used to reconstruct 3D diffusion pathways of Li similar to SEM tomography. We envision that depth selective electron microscopy of thin-film ion batteries will help elucidate the role of temperature, chemical and morphological inhomogeneity of the electrolyte in Li ion transport.
Proceedings Title
Microscopy and Microanalysis conference proceedings
Conference Dates
July 24-28, 2016
Conference Location
Columbus, OH, US


Yulaev, A. , Talin, A. , Marina, L. and Kolmakov, A. (2016), Li Diffusion in All-Solid-State Batteries Imaged Through Optically and Electron Transparent Electrodes, Microscopy and Microanalysis conference proceedings, Columbus, OH, US, [online],, (Accessed June 21, 2024)


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Created July 24, 2016, Updated April 6, 2022