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  4. Improving the Lifetime of Lithium-Ion Batteries through Chemical Composition Analysis

Improving the Lifetime of Lithium-Ion Batteries through Chemical Composition Analysis

The performance of battery materials is related to their composition and the decomposition products formed over their lifetime. The chemical composition of all battery components is crucial to better understand aging effects and extend battery service life.


Therefore, reliable element and trace element analysis is a must to determine stoichiometries of the active materials, their changes along charge/discharge cycles, and impurities.
During battery development and quality control, it is important to determine the accurate and consistent elemental composition of electrode raw materials and other components that have a significant impact on battery performance.


Since the chemical compositions of battery materials differ a lot, appropriate sample preparation for further (trace) element determination is a crucial and often an error-prone step in the whole analytical process.


This webinar demonstrates how the microwave-assisted acid digestion facilitates subsequent ICP-OES or ICP-MS analysis of all types of battery materials, ranging from lithiated metal oxides or phosphates (cathodes), graphite-based material (anodes) to polymer foils (used as separator) and black mass, the powdered mix of complete end-of life batteries.
Two different microwave digestion systems will be on display, digesting a variety of real-life samples together in one run and showing how convenient and efficient sample preparation can be for further element. Analytical results from the subsequent ICP-OES analysis will also be shown to complete the presentation.
 

Gisela Fauler (语言: English)
Gisela Fauler

Gisela Fauler works as an Application Chemist for microwave assisted sample preparation solutions at Anton Paar.
She studied Technical Chemistry at the Graz University of Technology and received her diploma degree in 2003 in the field of lithium ion batteries under the supervision of Prof. Dr. Martin Winter and Prof. Dr. Jürgen Besenhard.
Before joining Anton Paar in 2019, Gisela worked for several years in battery cell research business and she gained further experience in trace element analysis.

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