[Analysis Case] Analysis of the Binding State of Li in Lithium-Ion Secondary Batteries
By analyzing the waveform of other elements, it is possible to calculate the existence ratio of Li based on its bonding states.
In lithium-ion secondary batteries, the SEI layer (solid electrolyte interface) is a significant factor affecting the battery's lifespan, and it is important to understand the chemical species of Li contained within it. Li itself has a small chemical shift, making direct evaluation difficult; however, by performing waveform analysis to separate the states of the bonding partner elements (C, O, F, P), it is possible to calculate the presence ratio of Li in different bonding states. An evaluation of the state of Li before and after cycle testing revealed that after the test, the presence ratios of Li2CO3 and Li-POxFy increased compared to before the test.
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Analysis 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"!