about the company
ion + twin
As a young company we are aiming to contribute in the field of cell and battery development. ion+twin expertise covers the areas of cell and battery modeling, cell characterization via various diagnostic methods and the analysis of field and laboratory data. ion+twin is organized based on three pillars:
about the founder
Alexander Fill
My name is Alexander Fill I was born in 1990 in Nuremberg, Germany, have a family with two children and I am an avid battery enthusiast.
I studied energy engineering at the Friedrich-Alexander University in Erlangen. From 2013 to 2017, I worked as a student trainee in the area of fuel cell development at the Daimler AG in Untertürckheim. In 2017, I finally made the move into battery research. I worked on my Ph.D. entitled „Theoretical and experimental investigations on parallel connected battery cells and -strings“ from 2017 to 2020 at the Battery Research Center of Daimler AG. In 2021, I defended my doctoral thesis and received my Ph.D. degree in electrical engineering from the University of Stuttgart. Right now I am the head of the research group ‚Battery Systems‘ of the Electrical Energy Storage Systems (EES) Team, Institute for Photovoltaics (ipv) at the University of Stuttgart.
Stay in touch
Contact or follow us: