Battery Systems

Battery Electronics

• High Availability Redundant Battery Electronics Providing the Highest Reliability and Robustness for Safety-Critical Applications (e.g., ASIL-D, SIL4)
• Distributed Battery Monitoring Electronics Building Smart Battery Cells, thus Providing Intelligence to Every Single Battery Cell and therefore Completely Eliminating the Signal Wiring in Future Battery Systems
• Power Antifuse as Low-Cost Device for Bypassing Faulty Battery Cells
   

• Thermal Management Reducing the Temperature Gradients in Battery Packs for Homogenous Ageing of all the Battery Cells, thus Reducing the Need for Balancing to a Minimum
• Sensorless Battery Cell Temperature Estimation, thus Enabling Safe and Cost-Efficient Accurate Battery Pack Temperature Monitoring, Improving the Accuracy of Battery State Estimation Algorithms

• Electro-chemical Modeling of Battery Cells for Robust and Accurate Battery State Estimation Algorithms; Generation of Compact Battery Cell Models for their Implementation on the BMS Microcontroller Platform
• Advanced Model Parameter Optimization Algorithms for Global Offline Optimization and for Local In-system Online Optimization over the Complete System Lifetime
• Model-Based Battery State Estimation Algorithms Using a Hardware-Accelerated Computing Platform for Highest Speed and Accuracy
• Parametric Model-Order-Reduction Applied to Electro-thermal Battery System Models for Simulating Complete Use Cases (e.g., Automotive Driving Cycles) at System Level (e.g., NEDC, WLTP)

• Integration of Gas Sensors in Battery Systems for Early Fault Detection and Improved System Safety
• Printed Temperature Sensor for Low-Cost Temperature Sensing to Improve the Safety in Battery Systems