Implementation of orbitrap mass spectrometry for improved GC-MS target analysis in lithium ion battery electrolytes
Christoph Peschel1, Fabian Horsthemke1, Martin Winter1,2
1University of Münster, MEET Battery Research Center, Corrensstraße 46, 48149 Münster, Germany.
Abstract:
The implementation of orbitrap mass spectrometry for target analysis of volatile species in aged lithium-ion batteries was performed in a case study on butyl carbonates. In comparison to previously applied single quadrupole-based methods, major improvements were obtained.•Sensitivity was improved by effectively background free extracted ion chromatograms of identified marker fragment ions.•Typical isobaric interferences of typical carbonate fragment ions e.g. caused by column bleeding were identified and false positive identification avoided.•Analysis of isotope labeled electrolytes was optimized regarding mass spectrometric data reliability with mass accuracies <0.5 ppm and mass resolutions >100,000.
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