The NAUTILUS project aims to design and validate a novel propulsion system for large passenger ships, consisting of a solid oxide fuel cell (SOFC) system coupled with a battery.
To validate this concept, a modular functional demonstrator has been designed and is being constructed to test power distribution between the SOFC (60 kW) and the battery (20 kW) based on real cruise ship load profiles. In the testing phase, strategies for load distribution and load connection will be determined, and the operation of the hybrid system under different load profiles will be optimized.
The modularized functional demonstrator will be located at DLR premises in Stuttgart and will consist of a battery container delivered by MAN Energy Solutions and a SOFC system provided by SolydEra. All parts will be electrically connected to each other in order to provide power to the local grid of DLR premises.
The 20-foot container was recently delivered to MAN Energy Solutions. It features a self-supporting steel frame, ensuring stability and durability, and is painted white with corrosion protection for long-lasting durability. The container is designed to operate in temperatures ranging from -20°C to +40°C, with exterior walls meeting superior safety standards. Safety and functionality are key aspects of this container. It includes two fire-rated doors for enhanced security. The interior is equipped with LED lights and power sockets to cater to various electrical needs. To ensure a comfortable interior environment, the container has an air conditioning unit and is furnished with all necessary power and safety components. The container will house the battery unit itself, as well as all auxiliary systems that enable the safe and stable operation of the battery unit.
After completion, the battery container will be delivered to DLR Stuttgart, where it will be electrically connected to the SOFC system provided by SolydEra. The demonstrator ensemble will be located at DLR Stuttgart and tested under various load scenarios while emissions are measured. The modularized functional demonstrator is a crucial step in scaling the developed low-emission propulsion technology.
This project has received funding from the European Union’s Horizon 2020 research and innovation program under grant agreement No 861647.
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NAUTILUS is a short for Nautical Integrated Hybrid Energy System for Long-haul Cruise Ships.
This project has received funding from the European Union’s Horizon 2020 research and innovation program under grant agreement No 861647.