The chair deals with electrical energy storage, mainly with rechargeable batteries. Along with lithium-ion batteries, classical systems such as lead batteries and alkaline cells play an important part. Furthermore, research is conducted into future systems, such as metal-air, redox flow, and high-temperature batteries. The areas of expertise include: - Prototyping of solitary cells (thermal-electrical) - Prototyping of batterie systems - Prototyping of interconnected batteries, including statistical observation - Researching and prototyping the durability of batteries - Battery management through electrical metrology and interfacing for integrational purposes - Thermal battery management - Safety management for large batteries - Developing methods defining battery conditions and charging levels - New charging methods and fast-charging processes - Optimising for industrial strategies to lower costs, long-lasting durability, and high efficiency