Detection of thickness changes in compressed battery cells

Presented is a device and method for non-contact and spatially resolved measurement of thickness changes in compressed flat lithium-ion battery cells during cycling. This approach can be applied to end-of-line quality control in the production of battery cells. The large amount of measurement data generated is used to quickly and unambiguously assess the quality of the battery cell.

Curriculum vitae

01/2017 - today Fraunhofer Institute for Solar Energy Systems (ISE), Freiburg, Germany Project manager in the field of electrical energy storage - Project funding: German and European tenders - Project partner acquisition: Industry and research institutes - Project leadership and management of several research projects with industrial partners funded by the Federal Ministry - Supervision of PhD/Master students - Presentations at conferences - Development of non-destructive optical methods for the localization of internal defects in battery cells, 01/2010 - 12/2016 Testo AG, Titisee/Lenzkirch, Deutschland Projektleiter im Bereich „Elektrochemische Gassensoren“ • Prozessentwicklung innovativer elektrochemischer Gassensoren • Beschaffung und Qualifizierung neuer Geräte für F&E und Fertigung • Transfer von F&E in Fertigung • Zusammenarbeit mit Lieferanten und externen Dienstleistern • Dokumentation und regelmäßige Präsentation der Ergebnisse in Projektgremien • Interne Zusammenarbeit mit Produktion, Einkauf, Qualitätsdienst und Konstruktion • Betreuung von Diplomarbeiten Studenten 09/2004 – 01/2010 Max-Planck-Institut für Intelligente Systeme, Stuttgart, Deutschland Wissenschaftler in der Abteilung Materialsynthese, Prof. Aldinger - Synthesis of new bioinspired metal oxides - Characterization regarding their material properties with FE-SEM, EDX, TEM, XPS, GC, DLS, Zetapotential, TG-MS, FTIR, XRD, PL, etc. - Supervision of diploma students 01/2002 - 06/2003 Ruhr-University Bochum, Germany Scientist in the Department of Electroanalytics & Sensor Technology, Prof. W. Schuhmann - Development of an electrochemical scanning microscope (SECM) for the analysis of conductivity and topography of surfaces with high lateral resolution 02/1997 - 03/1998 BJ Services (Pretroleum Service), Singapore Analyst in Quality Control - Quality control of additives to increase productivity in oil production - execution and evaluation of tests as well as documentation of results Training Doctorate 10/1998 - 12/2001 Electrochemistry/Material Sciences Prof. P. N. Bartlett University of Southampton, England - Doctoral scholarship from the University of Southampton - Synthesis and characterization of conductive films with a piezoelectric quartz microbalance and microelectrodes - Scholarship for a two-month research stay at the University of Buenos Aires, Argentina - Organization and implementation of continuing education courses Diploma 03/1991 - 06/1996 Chemistry Federal University of Rio de Janeiro (UFRJ), Brazil - Among the top 10% of chemistry graduates - Scholarship for a scientific exchange program with the Faculty of Chemistry and Mineralogy at the University of Leipzig, Germany (from 10/1994 to 12/1994) - Development of several extra-curricular research projects - Two semesters of chemical engineering