Abstract
Because the sulfide-based solid electrolytes are sensitively damaged by electron beams during the transmission electron microscopy (TEM) observation, nanoscale microstructures of Li2S-P2S5 glass electrolytes have not been revealed so far. In this chapter, we describe nanoscale microstructures, crystallization processes, and thermal stabilities of Li2S-P2S5 glass electrolytes revealed by using high-resolution electron microscopy, electron diffraction, and hollow-cone dark-field imaging methods. In order to visualize the spatial distribution of the amorphous and crystalline regions in the Li2S-P2S5 glass electrolytes, a TEM observation method called the hollow-cone and conventional dark-field imaging method was applied. We would emphasize that TEM should be a powerful tool to analyze nanostructures and amorphous structures by combining hollow-cone dark-field imaging, nanobeam electron diffraction, and high-resolution electron microscopy.
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Mori, S. (2021). TEM Analyses. In: Kanamura, K. (eds) Next Generation Batteries. Springer, Singapore. https://doi.org/10.1007/978-981-33-6668-8_14
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DOI: https://doi.org/10.1007/978-981-33-6668-8_14
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