P4-018
The poster addresses the challenge of rapidly developing automotive traction batteries under tightening performance, cost, and sustainability constraints, while data and time are scarce in early development phases. It introduces an object-oriented framework that enables bottom-up design and evaluation of battery systems from cell to module to pack level, specifically tailored to early-stage concept work. […]
P2-053
Lithium titanate oxide (LTO) batteries are a promising technology, particularly suitable for high-power applications, owing to their inherent cyclic stability, fast charging capability, and superior safety. However, substantial gas generation and accelerated aging driven by the cathode remain substantial challenges. This study explores the mitigation of these aging mechanisms through the application of external mechanical […]
P2-070
The combination of thick film electrodes with the three-dimensional (3D) battery concept enables increased energy densities while maintaining high power densities at the lithium-ion battery (LIB) cell level. On the one side, 3D electrode architectures allow a rapid and homogeneous wetting of the electrodes with liquid electrolyte through the implementation of tailored capillary structures. On […]
P4-018
The poster addresses the challenge of rapidly developing automotive traction batteries under tightening performance, cost, and sustainability constraints, while data and time are scarce in early development phases. It introduces an object-oriented framework that enables bottom-up design and evaluation of battery systems from cell to module to pack level, specifically tailored to early-stage concept work. […]
P2-023
This research study investigates how mechanical stress affects lithium-ion battery degradation, a factor less understood than thermal or electrical aging mechanisms. Lithium-ion batteries used in electric vehicles and stationary storage systems are continuously exposed to vibrations and shocks during operation and transport, yet the effects of such mechanical stresses on cell aging and performance have […]
P2-021
Accurate surface temperature monitoring is essential for analyzing and controlling the thermal behavior of battery cells and similar electrochemical systems. This study compares contact-based and contactless measurement methods, highlighting that larger sensor areas can lead to inaccurate readings due to ambient temperature influence. Thermal camera measurements closely matched those of a small Type-K thermocouple, confirming […]
P3-017
Battery testing is fast paced and highly error prone, both from human interactions and test equipment faults. Our solution uses machine learning based early failure detection to identify abnormal behavior before it becomes costly. A dedicated battery emulator captures and reproduces real test profiles, enabling accurate training and validation of the detection system. Tested across […]
P4-025
The growing demand for batteries, driven by the progress in electric vehicles and renewable energy sources, highlights the urgent necessity for efficient manufacturing and improved research in battery technologies. To facilitate the transition of innovations to an industrial Technology Readiness Level (TRL), the Fraunhofer Research Institution for Battery Cell Production (Fraunhofer FFB) is strategically ramping […]
P2-090
The effectiveness of BMS is directly influenced by the quality of input data from operating lithium-ion cells and the real-time computational capabilities of state estimation algorithms. Machine learning (ML) models are the best choice nowadays. This study focuses on two key stages in preparing experimental data for machine learning models: data acquisition and preprocessing. In […]
P1
Lithium-ion batteries (LIB) are established in the field of mobile devices and electromobility due to their high energy and power density. Commercial systems currently in use enable the ion transport and thus the function of LIBs through a liquid electrolyte. The use of solid electrolytes has shown great potential to increase the energy density and […]