[Analysis Case] Observation of Fine Structures under Ultra-Low Acceleration Voltage Conditions using SEM
Evaluation of separator structure by ultra-low acceleration SEM observation.
As exemplified by the separators used in lithium-ion secondary batteries, the microstructure of materials, such as porosity and shape, significantly influences the characteristics and functions of products. When materials have a low softening point, such as resins or polypropylene (PP), they may be damaged by electron beam irradiation during observation, leading to changes in their original structure. We will present a case where ultra-low acceleration SEM observation at an acceleration voltage of 0.1 kV was used to suppress alteration and evaluate the surface morphology of the sample in detail.
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Applications/Examples of results
Analysis of secondary batteries.