[Analysis Case] Degradation Component Analysis of Electrolyte in Lithium-Ion Secondary Batteries
Structural estimation of degradation components by LC/MS/MS analysis.
A comparison of the electrolyte of lithium-ion secondary batteries composed of organic solvents and supporting salts containing Li before and after degradation was conducted using LC/MS analysis. As a result, components believed to be reaction products of LiPF6 and the electrolyte were detected. Furthermore, by analyzing characteristic components after degradation using LC/MS/MS, it was possible to estimate the components that are thought to have been generated by the degradation test.
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Analysis of secondary batteries.