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    Vacuum tank stores heat

    An efficient long-term heat storage tank boosts the shares of fraction of solar thermal energy systems in buildings. Staff at Bavarian Center for Applied Energy Research and at steel and metal engineering company Hummelsberger have developed a storage system that minimises thermal losses and optimises temperature stratification. A vacuum between the inner and outer tank combined with a perlite powder filling reduces the thermal conductivity of the storage tank shell.  more...
     

    Flexible deployment of heat storage systems

    Those retrofitting heat storage systems in buildings often come up against their limits. Large-volume storage tanks often do not pass through standard doors. Together with Consolar, which manufactures solar thermal systems, scientists at the Institute for Thermodynamics and Thermal Engineering at the University of Stuttgart are therefore developing a storage system that consists of several modules and can be assembled on site. The modular storage system will be installed in an apartment building and tested in practice in autumn.  more...
     

    Research funding for the energy turnaround increasing

    Energy research contributes towards the development of the processes and technologies necessary for achieving the goals of the energy turnaround. The German government has been continuously increasing funding for energy research since 2006. In 2013 alone, it spent 100 million euros more on this than in the prior year. This reinforced above all the research areas of energy efficiency and renewable energy sources. It provided just under 300 million euros for each of these subjects.  more...
     
    Themeninfo I/2014

    Researching in the global network

    International research collaborations are becoming increasingly important. Germany is involved in a variety of ways in international energy research. An important pillar in this regard is its involvement in the International Energy Agency (IEA). Germany is a founding member of this organisation. An IEA field of activity particularly relevant to energy research is its energy technology network.  more...
     

    Storing summer heat until winter

    In the SolSpaces project, researchers from the Institute for Thermodynamics and Thermal Engineering at the University of Stuttgart are developing a new heating concept for compact residential buildings. This includes a collector system with a thermochemical storage system that can store the solar thermal energy from summer until winter. The scientific monitoring has begun.  more...
     

    Storing solar energy with new materials

    The interdisciplinary NEOTHERM junior research group at Otto von Guericke University in Magdeburg is developing new materials for storing thermal energy. Using new composite materials, the scientists at the Faculty of Process and Systems Engineering (FVST) want to recover and store unused solar thermal energy and waste heat from industry. This energy can be used, for example, for heating domestic hot water or for space heating.  more...
     

    Online energy storage research portal

    What will tomorrow’s electricity and heat storage systems look like? This question is being answered by the new forschung-energiespeicher.info web portal as of today. It presents projects from the Energy Storage Research Initiative that are concerned with combined wind-hydrogen systems, batteries in the grid and heat storage. The website is aimed at interested citizens, scientists, politicians, journalists and the professional community.  more...
     
    News 23.07.2013

    Measuring the underground storage potential

    What is the potential provided by underground energy storage facilities? This question is being pursued by scientists from Kiel University, who are investigating the geo-scientific bases for underground storage systems as part of the joint ANGUS+ project. They are focussing on storing natural gas, hydrogen and pressurised air in cavern and pore storage facilities as well as on storing heat in the shallow subsurface.  more...
     

    Storing solar energy in the ground

    Solar thermal energy is intended to cover 50 per cent of the heating requirements of a residential area being developed on the site of a former army barracks in Crailsheim-Hirtenwiesen. To ensure that this is possible throughout the year, a seasonal borehole thermal energy storage system has been installed with a volume of 10,000 m3 of water equivalent. This is the most cost-effective version to be produced so far. However, before drilling could commence for the storage system, a specialist team had to search the area for unexploded ordnance.  more...
     

    Long-term storage system in lime

    What potential is provided by thermochemical storage systems? Researchers at the German Aerospace Centre (DLR) have been pursuing this question. With a new test plant they are investigating the extent to which solar heat can be stored thermochemically for industrial processes and solar power plants.  more...
     

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