Development of a Machine Learning Model based on Electrochemical Impedance Spectroscopy (EIS) for Prediction of Li-ion Cell Quality (f/m/x)

PhD position: Development of a Machine Learning Model based on Electrochemical Impedance Spectroscopy (EIS) for Prediction of Li-ion Cell Quality (f/m/x) at Varta Microbattery GmbH

In order to grow together and to take on the challenges of tomorrow, we are looking for you for our location in Ellwangen.

About Us:

We are empowering independence for our customers through our battery technologies. Our employees benefit from more perspective. As a traditional company, VARTA offers you a secure job in a strong community. Being a technology-leading global brand, VARTA gives you creative freedom in exciting projects and tasks in the future market of innovative energy solutions.

Your Tasks:

• Evaluation of different machine learning models and their applicability for EIS-based Li-ion cell quality prediction to find the best fit as a compromise between different technological and economical aspects
• Independent planning, execution, and evaluation of comprehensive empirical long-term cell performance studies for different Li-ion chemistries
• Define the machine learning model to be predicted Li-ion cell performance parameters
• Training and validation of your elaborated machine learning model towards prediction accuracy
• Working out an implementation strategy for your findings as an ongoing quality control mechanism in Li-ion cell mass production

Your Skills:

• Completed engineering degree in electrical or mechanical engineering, mechatronics, physics, or similar
• Basic knowledge of Li-ion cell technologies and cell testing
• Relevant experience in machine learning methods and programming
• Handling of extensive data quantities
• Manufacturing process-oriented approach with a focus on implementation
• Proficiency in English (spoken and written), good German skills beneficial
• Delight in interface tasks (R&D, quality assurance, manufacturing)
• Sociability and structured way of working

What We Offer:

• Direct impact in our product development processes
• We support your PhD thesis with an attractive salary
• Flexible working times
• Company restaurant and free water
• Discounts in web stores and with regional cooperation partners
• Sport and fitness offers
• Business Bike
• Industrial selling

The requirement for the employment is the mentoring of the doctoral project by a university professor. The selection of an appropriate mentor is the PhD student's responsibility.

**Contact**: Hans Peter Strebel, 07961 921 2731 **VARTA Microbattery GmbH** VARTA Platz 1, 73479 Ellwangen, Germany www.varta-ag.com

Apply online here