On April 20th 2010 the Zemship Project ended with a Final Zemships Conference. On this website, youŽll find all informations about the project content. For any other questions, please contact us by mail: info@alstertouristik.de
Innovative: a fuel cell hybrid drive system
The hybrid fuel cell propulsion system of Zemships is provided by the company Proton Motor.
Its key components are:
- Two 50 kW (peak) fuel cell systems PM Basic A50 using the proprietary fuel cell stacks by Proton Motor
- Hydrogen tanks at 350 bar for three days of operation (typical)
- Batteries as energy storage for buffering and peak load „shaving“
- Energy management system and fuel cell controls for optimally efficient operation
Clean and energy saving:
from the innovative drive system, because the vessel produces no exhaust gases and is very quiet in operation.
The drive system is projected to run almost twice as efficient as a conventional diesel powered ship on the typical routes in Hamburg.
Fuel Cells:
Fuel cell systems combine efficient fuel utilisation and, due to the use of hydrogen as the energy source, environmentally friendly operation. Additional characteristics of the systems are a high level of efficiency coupled withadvantageous partial-load and load-change behaviour. These electro-chemical energy converters generate absolutely no emissions - the product of the electrochemical conversion process in the fuel cells is simply pure water.
Zemships is powered by two PM Basic A 50 fuel cell systems by Proton Motor with 50 kW peak each.
Proton Motor has developed the fuel cell system PM Basic A 50 and its fuel cell stacks dedicated for the use in commercial vehicles. The liquid-cooled PEM fuel cell systems (PEM = Proton Exchange Membrane) feature a particularly simple, sturdy and modular construction. This enables them to cover a wide range of applications. Another core component is an integrated, low-energy water management system. Thus, external humidification,together with therefillingwith deionised water is no longer required.
Hybrid System:
The integrated battery package takes surplus energy from the fuel cells, for example when the ship is stopped at an interim port and requires less power. When the ship needs maximum power for example during casting-off and coming aside manoeuvres the batteries supply the energy back to the engine. An intelligent energy management system controls the division of work between fuel cells and battery. Thus the hybrid system ensures maximum efficiency of operation and lifetime with minimized cost.
Hydrogen storage system:
The hydrogen is stored on board in 350 bar pressure tanks. The 50 kg of hydrogen stored provide enough energy so that the ship only needs to be refuelled about once every three days.
The PM fuel cell propulsion system on Zemships will be certified for marine operation by the classification society Germanischer Lloyd, which is also a partner in the Zemships project.
