Source link : https://tech365.info/actual-time-measuring-technique-extends-lifespan-and-enhances-security-of-batteries/
Lab setup for computer-assisted real-time measurement of impedance in a lithium-ion battery cell to research its state. Credit score: Fraunhofer IFAM
Highly effective, secure batteries are a key element within the success of electrical mobility. This makes measuring a battery’s capability and state an important issue. Essentially the most informative technique of doing that is impedance spectroscopy. Impedance itself can’t be measured instantly; as a substitute, it’s calculated from the connection between present and voltage. Impedance gives data on the battery’s state of cost (SoC) and permits conclusions concerning its state of well being (SoH, i.e., the situation contained in the battery, the place the cathode, anode and electrolyte are situated) or its security standing.
Gathering all the required information requires time-consuming measurements and analytical strategies. On prime of that, measuring impedance has solely been potential in a resting state thus far. It may sometimes take as a lot as 20 minutes earlier than the information wanted to characterize the battery is prepared and obtainable.
Researchers from Fraunhofer IFAM additional developed this technique underneath the management of Fabio La Mantia. Now, for the primary time, dynamic impedance spectroscopy makes it potential to calculate measurements concerning the battery’s standing throughout reside operation and make them obtainable in actual time.
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Author : tech365
Publish date : 2025-08-01 13:14:00
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