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Record size of Group Exhibit
Storage of renewable energies – the key for the turnaround in energy policy
April, 7 2014

A focus point of the Group Exhibit will be the storage of renewable energies produced by wind and photovoltaic. The interest in the topic can be seen in the largest exhibition area since the beginning of the Group Exhibit. 158 exhibitors from 22 countries will present their products, services and innovations on 5.000 m² in hall 27. The Group Exhibit will be adding the theme of Batteries to its 20th anniversary exhibition. “Fuel cells and batteries are the key technologies for the turnaround in energy policy, either in electric cars or for stationary storage. Therefore it is very consequent to open and expand the Group Exhibit thematically. The ZSW will present its activities in the field of batteries and fuel cells along the whole value chain at HANNOVER MESSE 2014.” says Prof. Dr. Werner Tillmetz, board member at the Centre for Solar Energy and Hydrogen Research Baden-Württemberg (ZSW), Ulm (D50).

Since the beginning of the turnaround in energy policy the amount of produced fluctuating energy from photovoltaic and wind systems increased. Resulting excess energy can be stored directly in batteries or can be used to produce hydrogen which then can be stored.

NiMH batteries as energy storage
Nilar International, Täby, Sweden (C50) will present a modular bi-polar nickel metal hybrid battery at the Group Exhibit. At an excess supply of renewable produced energy, this energy can be saved and later be fed into the electric circuit as required. Additionally the power system stability increases.

Hydrogen as an energy storage solution

Renewable energy can be used to produce hydrogen which thus serves as an energy carrier. The process for the hydrogen production is known as electrolysis. Through electrical energy water is split into hydrogen and oxygen. Hydrogenics, Mississauga, ON, Canada (C59) builds plants in the Megawatt size. Latest generation PEM Electrolyzer Stacks are exceptionally compact and require less than one cubic meter of space per Megawatt input power. The uses of hydrogen though is very versatile, e.g., feed into the natural gas grid, industrial processes, methanisation (SNG), building heating, electricity or vehicle fueling stations.

Filled power gap by combined cycle power plant
GP JOULE, Reußenköge, Germany (B40) will present an innovative storage solution: the "Stromlückenfüller" - a model project for a combined cycle power plant power-to-gas-to-power. Hydrogen generated from the excess energy of renewable energies is stored. Depending on demand the hydrogen is then again converted together with biogas from the biogas plant into electricity in a combined heat and power plant and fed into the power supply system. The overall efficiency of the electricity and heat use is up to 95%. The project is currently in the implementation phase. A trial operation is planned for the end of 2014.

BLUE HAMSTER: Self-sufficient power supply
A photovoltaic cell supplies during the day the energy which the rechargeable battery keeps in stock, in the evening the energy can be used. If the battery of the BLUE HAMSTER of Mossau Energy, Aurich (E71) is fully charged and household consumptions are covered the system converts spare energy into hydrogen. Hydrogen can then be permanently stored in tanks. If required it can then be transformed into energy by fuel cells. The accruing thermal energy can be used for supporting heating.

Europes`s first Fuel Cell Cogeneration System for Homes
At the booth of the Initiative Brennstoffzelle IBZ, Oldenburg (E51) there are several producers of fuel cell heating appliances for the household power supply. Viessmann Group, Allendorf presents a fuel cell cogeneration system which will be sold in Europe by Viessmann starting in April 2014. The system enables to supply one’s own house with electricity, heating and hot water. A natural gas pipeline is needed, an integrated reformer will produce the hydrogen.

Multi-functional fuel cell for an aircraft
Airbus, Hamburg presents at the booth of NOW, National Organisation Hydrogen and Fuel Cell Technology, (B56) a multi-functional fuel cell that can be used as auxiliary power unit (APU) for an A320 aircraft. Fuel cells combine hydrogen and oxygen to produce electrical energy and allow an emission-free and noiseless operation of aircraft on the ground and efficiency advantages in the air. At the same time, noise and exhaust gas emissions at airports may be reduced e.g. by electrical aircraft taxiing.

Fuel cell vehicles and hydrogen fueling on site
On a 15.000 m² Ride + Drive outdoor area interested visitors can test drive fuel cell vehicles. The Clean Energy Partnership CEP, Berlin will present cars from Daimler, Audi, Opel, Honda, Hyundai and Toyota. The vehicles will be fueled on site by the mobile hydrogen filling station of Linde. Visitors have the possibility to inform themselves in two forums within the Group Exhibit in hall 27. The moderated interviews and presentations will additionally be transmitted via live stream online. The Group Exhibit is located in hall 27 directly next to the MobiliTec, the international leading trade fair for hybrid and electric powertrain technology, mobile energy storage and alternative mobility solutions.

Contact Person:
Tobias Renz
Tobias Renz FAIR, Berlin
Tel.: +49 (0) 30 609 84 556
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