Stefan Roemersperger

Title: Innovator Stefan Roemersperger: Pioneering Advances in Lithium-Ion Technology

Introduction

Stefan Roemersperger, a notable inventor based in Munich, Germany, has made significant contributions to the field of lithium-ion technology. With two patents to his name, Roemersperger is recognized for his innovative approaches that enhance the performance and reliability of energy storage systems.

Latest Patents

Roemersperger's most recent patents showcase his expertise in battery technology and thermal management. The first patent, titled "Method for Parameter Estimation in an Impedance Model of a Lithium Ion Cell," outlines a novel method for determining the parameters of an equivalent circuit to represent the impedance of a lithium-ion cell. This method employs an RC (resistor-capacitor) element, incorporating an ohmic resistor, a capacitor, and a series resistor that is crucially determined through impedance measurement.

The second patent, "Method for Monitoring the Functional Capability of the Cooling System of a High-Voltage Accumulator," details a technique for assessing the operational effectiveness of the cooling systems utilized in high-voltage accumulators for electric drive units in motor vehicles. This method involves repeatedly measuring the temperature of the accumulator using a sensor, verifying whether the temperature exceeds a cooling threshold, and analyzing the temperature profile to diagnose cooling system performance.

Career Highlights

Stefan Roemersperger is currently employed at Bayerische Motoren Werke Aktiengesellschaft (BMW), a global leader in automobile manufacturing. His work at BMW enables him to engage in cutting-edge research and development, particularly in the realm of electric vehicles and energy storage solutions, where his inventions play a pivotal role.

Collaborations

Throughout his career, Roemersperger has collaborated with esteemed colleagues such as Benno Schweiger and Othmar Winterling. These partnerships have likely enriched his research and contributed to the development of innovative solutions within the automotive and energy sectors.

Conclusion

Stefan Roemersperger stands out as a significant figure in the field of battery technology, with his patents reflecting a commitment to advancing energy storage systems. His innovative work at BMW continues to impact the efficiency and functionality of electric vehicles, highlighting his role as a key player in the evolution of sustainable transportation solutions.