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[Analysis Case] Identification and Quantitative Evaluation of Solvents and Additives in LIB Electrolytes

[Analysis Case] Identification and Quantitative Evaluation of Solvents and Additives in LIB Electrolytes

Qualitative and quantitative evaluation is possible from the sampling of the electrolyte.

The electrolyte of lithium-ion secondary batteries can be qualitatively and quantitatively analyzed using GC/MS. In the example below, ethylene carbonate (EC) and ethyl methyl carbonate (EMC) were identified as organic solvents, and vinylene carbonate (VC) was identified as an additive. It is also possible to determine the composition ratio of the solvents and the content of the additives. Additionally, other additives such as fluoroethylene carbonate (FEC) and ethylene sulfite (ES) can also be evaluated.

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  • Contract Analysis
  • Contract measurement

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[Analysis Case] Composition Analysis of UV Curing Resin

[Analysis Case] Composition Analysis of UV Curing Resin

The identification capability is enhanced when combined with soft ionization methods.

UV-curable resins harden quickly when exposed to ultraviolet light and are widely used as coating materials and adhesives due to their ease of use. In acrylate resins, which are commonly used materials, the molecular ions of acrylate monomers are difficult to detect using the conventional ionization method of EI in GC/MS analysis, leading to insufficient structural estimation. Here, we introduce a case where, in addition to the partial structural information obtained from the conventional EI method, the use of the soft ionization method FI enabled the detection of molecular ions, allowing for the estimation of the structure of acrylate monomers.

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  • Contract Analysis
  • Contract measurement

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