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Exact Analysis of Battery Systems

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Published by by Christine Schulze

Rutronik and Chemnitz University of Technology demonstrate the latest research

For embedded world 2017, distributor Rutronik has teamed up with Chemnitz University of Technology to demonstrate that impedance spectroscopy for lithium-ion batteries is not just restricted to the laboratory.

Rutronik, in cooperation with Chemnitz University of Technology and the Chair for Measurement and Sensor Technology, will be using an embedded impedance measuring system for a 12V Li-ion battery stack to present the latest research from the field of impedance measurement based on impedance spectroscopy. This method provides more thorough and exact analysis and diagnosis of battery systems than currently applied procedures.

It is even possible to determine the condition of batteries and, e.g., to reliably predict their RUL (remaining useful life) or SoH (state of health). It is, therefore, a particularly interesting method for mobile systems, especially for electromobility, professional tools, and mobile robots, as well as for medical instruments and UPS.

At present, impedance spectroscopy is only used under laboratory conditions. However, the demonstrator allows Rutronik, working alongside Chemnitz University of Technology and the Chair for Measurement and Sensor Technology, to showcase the method’s full industrial potential.

About Rutronik Elektronische Bauelemente GmbH

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Rutronik Elektronische Bauelemente GmbH is the third largest distributor in Europe (European Distribution Report 2016) and the number eleven worldwide (Global Purchasing, May 2016). The broadline distributor supplies semiconductors, passive and electromechanical components as well as boards, storage, displays & wireless products. The company's primary target markets are the automotive, medical, industrial, home appliance, energy and lighting industries. The ranges RUTRONIK EMBEDDED, RUTRONIK SMART, RUTRONIK POWER and RUTRONIK AUTOMOTIVE provide customers with specific products and services in groups tailored to the respective applications. Expert technical support for product development and design-in, individual logistics and supply chain management solutions as well as comprehensive services complete its scope of performance.

The company, founded by Helmut Rudel in 1973 in Ispringen, Germany, now has over 70 subsidiaries in Europe, Asia and the Americas. Rutronik employs more than 1,400 staff worldwide and achieved Group sales of 872 million euros in the fiscal year 2016.

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