Impedance spectroscopy improves predictability for lithium ion batteries
The technique is previewed as allowing impedance spectroscopy to be used with embedded systems for the first time and opens up new possibilities regarding range forecasts for electric mobility (electric vehicles/hybrids).
Impedance spectroscopy enables more accurate analysis and diagnosis of battery systems than the procedure currently used, thus ensuring reliable forecasts e.g. regarding their RUL (remaining useful life) and State-of-Health (SoH). This means that range forecasts for electric vehicles can be determined on a sound basis.
Up to now, according to the available preview, the use of impedance spectroscopy for lithium-ion batteries has been confined to laboratory environments. The research project has now also applied the method to embedded systems for the first time. It is particularly interesting for mobile systems, above all in electric mobility, for professional tools, mobile robots, but also for medical devices and UPS systems.
The paper will be presented at PCIM, in the e-mobility forum (Hall 6-326) on Tuesday 16th May and Wednesday 17th May, at 14:30-15:00. Rutronik’s presence in the exhibition will feature a demonstration of an embedded impedance measuring system for a 12V lithium-ion battery stack, showing the method’s industrial applications. Scientists from Chemnitz University of Technology as well as Rutronik staff, will be on hand for technical discussions.
Rutronik; www.rutronik.com
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