Marquardt to showcase components for hydrogen fuel cell systems at Battery Show Europe

Electromobility supplier leverages its many years of experience with battery management systems to develop components for hydrogen fuel cell systems.

Autocar Pro News Desk By Autocar Pro News Desk calendar 07 Jun 2024 Views icon2255 Views Share - Share to Facebook Share to Twitter Share to LinkedIn Share to Whatsapp
Marquardt to showcase components for hydrogen fuel cell systems at Battery Show Europe

The Marquardt Group is leveraging its many years of experience with battery management systems to showcase advances in the field of hydrogen fuel systems. In addition to its measurement and control systems for battery cells, Marquardt also develops components for hydrogen fuel cell systems. At the Battery Show Europe in Stuttgart (June 18-20), the electromobility supplier will be demonstrating what these components are and what functions they fulfill.

According to Marquardt some BMS functions can be transferred to fuel cell systems. There are many similarities, especially in the hardware, where almost identical components are used. For example, the system developed by Marquardt for the cell monitoring of batteries in electric cars can be adapted for monitoring fuel cells. The components of the automotive fuel cell are scalable for stationary applications such as heating systems or for use in energy storage systems. 

Improved stack lifetime through Cell Voltage Monitoring
The Cell Voltage Monitoring System (CVM) and the Cell Voltage Pick-Up (CVP) are used to record cell values directly. The Cell Monitoring System continuously monitors the voltage of the individual cells and provides real-time data on the performance and condition of the cells. This enables the compact CVM to improve stack service life, increase efficiency and detect cell malfunctions at an early stage, thereby avoiding expensive repairs to the fuel cell stack. The Cell Voltage Pickup (CVP) ensures reliable connection and contacting of the bipolar plate with the CVM.

The production-ready HV sensor from Marquardt disconnects the vehicle electronics from the high-voltage battery in just five milliseconds.

High-Voltage Sensor measures speedily and accurately
A crucial component for the safety of electric cars, fuel cell vehicles and stationary battery systems is the high-voltage sensor from Marquardt, which was originally developed for HV battery systems. Compared to conventional sensors, it measures current and voltage extremely quickly and accurately. As current measurement is also relevant for fuel cells, Marquardt can offer an attractive and safe solution with the HV sensor. Thanks to its scalable design and synergies with battery systems, the new HV sensor can be adapted for use in fuel cell systems at low cost.

H2 leakage and water level sensors
The new H2 leakage sensor measures hydrogen leakage in fuel cells. It reliably detects concentrations between 0 and 4 percent of the highly volatile and flammable gas. This makes it an important safety-relevant feature for the storage and operation of hydrogen systems.

The possible applications are diverse and range from monitoring and securing heating systems to electrolysis and use in drive systems. With a new water level sensor, Marquardt also offers the option of contactless level measurement. The new sensor detects the fill level of product water tanks in internal fuel cell vehicles, for example, without contact with the medium and indicates when they are empty.  

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