Application of time-of-flight secondary ion mass spectrometry in lithium-ion batteries

Pengwei Li, Xiaoning Xia

Research output: Contribution to journalReview articlepeer-review


Time-of-Flight Secondary Ion Mass Spectrometry (ToF-SIMS) is becoming a powerful tool in the Lithium-Ion Batteries (LIBs) field due to its excellent resolution and sensitivity, as well as its ability to provide spectrally and depth-resolved information. The perspective comprehensively delves into the application of ToF-SIMS in two major areas of LIBs research. Firstly, the article elucidates how ToF-SIMS has been instrumental in deciphering the Solid Electrolyte Interphase (SEI) composition and analyzing electrolyte aging. The insights gleaned from such studies have paved the way for enhancing the longevity and safety of LIBs. Secondly, we explore the role of ToF-SIMS in scrutinizing the distribution of interface reactions, which are critical for understanding charge and discharge mechanisms. The analysis aids in optimizing the interface properties, thereby improving battery performance. Such detections are paramount in ensuring the safety and operational stability of batteries. Overall, the integration of ToF-SIMS in LIBs research offers a promising avenue for the development of advanced and safer energy storage systems.
Original languageEnglish
JournalCurrent Analytical Chemistry
Publication statusPublished - 30 Apr 2024


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