[Analysis Case] Atomic Resolution Analysis of Lithium-Ion Secondary Battery Cathode Materials
Atmosphere control + atomic-level observation under cooling
In MST, atomic-level TEM analysis is possible under atmosphere control (and cooling). This document presents a case where LiCoO2 particles, extracted from a lithium-ion secondary battery without exposure to the atmosphere, were processed using FIB and analyzed with TEM under atmosphere control and cooling. STEM observation and EDX analysis were conducted while cooling to -174°C, allowing for a visual confirmation of the atomic arrangement. This method can be applied to materials with low thermal stability and crystalline materials that undergo changes in the atmosphere for high-resolution analysis.
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This is a case study of secondary batteries.
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MST is a foundation that provides contract analysis services. We possess various analytical instruments such as TEM, SIMS, and XRD to meet your analysis needs. Our knowledgeable sales representatives will propose appropriate analysis plans. We are also available for consultations at your company, of course. We have obtained ISO 9001 and ISO 27001 certifications. Please feel free to consult us for product development, identifying causes of defects, and patent investigations! MST will guide you to solutions for your "troubles"!