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Thermal Storage | BMBF
Absorption-storage system 12.4.2017

Drying with open sorption processes

A junior research group investigated heat and material transfer to an aqueous solution of lithium chloride. Such salt solutions can be used for air conditioning in buildings or waste heat. At the same time it serves as an energy storage. In addition to the salt solutions young researchers testing and synthesizing new sorbents. Also system simulations for building heating and air conditioning are planned in addition to drying applications. ... more

Thermal Storage | BMWi
Sorption heat storage 12.4.2017

Sorptive heat storage using activated carbon

Activated carbon can be produced from a large variety of carbonaceous source materials. Different methods have also been established for the process steps of carbonization and activation for use in commercial applications. In the project HyAcitv researchers optimize activated carbons and in a further step, molded articles are produced for use in open sorption systems. The application of these moldings is demonstrated in a laboratory storage system. .

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Thermal Storage | BMWi
Latent heat storage 12.4.2017

Pourable PCM for high temperatures

Dresden researchers develop small pourable and pumpable heat storage capsules for the temperature range from 130 to 350 ° C. The hollow spheres are made from metal alloys. Depending on the application, the diameters vary from 2 to 6 mm. The capsules contain salt mixtures for latent heat storage. ... more

Thermal Storage | BMWi
Chemical heat storage 12.4.2017

More efficiency through bulk movement

Chemical heat storage with Calziumoxid is being tested by Scientists of the DLR in the project BERTI. As a special feature, the laboratory unit of Stuttgart researchers has a wandering reaction bed. As a result the heat capacity of the storage and its heat output can be designed independently of one another. ... more

Physical Storage | BMWi
PCM storage 12.4.2017

Cheaper slurries for cooling processes

In order to reduce the cost of PCM storages, scientists develop new slurries and materials for cold storages. The aim of the project KOLAN is to develop an emulsion with a very high heat capacity. At a temperature difference of 6 Kelvin it should store about four times more heat than water. ... more

Thermal Storage | BMWi
High temperature storage 12.4.2017

Sorption heat storage for the industry

In MoGeSoWa researchers developed an efficient, cost-effective modular heat storage. The aim was, to increase the energy efficiency of combined heat and power plants. ... more

Thermal Storage | BMWi
Large-scale hot water storage tanks 12.4.2017

Segmental design reduces costs of storage tanks

Large-scale hot water storage tanks have proved to be reliable and efficient heat storage for cogeneration as well as for solar thermal plants and industrial processes. As part of the research project OBSERW, scientists try to reduce the construction costs of such storage tanks. To accomplish this goal they develop a segmental design for aboveground storage tanks from 500 to 8.000 m³ volumetric capacity. ... more

Physical Storage | BMWi
Flywheel energy storage systems 12.4.2017

New design reduces system costs

Flywheel energy storage systems can play an important role in stabilising the electricity grid. When required, they provide high outputs within milliseconds. The short-term electricity storage systems also act as active voltage filters for optimising the electricity quality. In the KoREV-SMS project, scientists are developing a flywheel energy storage system with an external rotor design. This results in a higher energy density with lower acquisition costs compared to conventional flywheel energy storage systems. .

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Electrical Storage | BMWi
Energy storage flywheels 12.4.2017

Faster power storage with high cycle rate

Energy storage flywheels as short-term intermediate storage for regenerative energy generation systems can help keep the power grid stable. With good efficiency, they absorb or emit high power levels – while at the same time having an extremely durable cycle. In the ENERSPHERE project, scientists are working on a flywheel rotor with a superconducting bearing. This makes it extremely intrinsically safe and robust. .

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Electrical Storage | BMBF
Power-to-Storage 3.5.2017

MeMO - a novel high-temperature battery

Forschungszentrum Jülich is developing a novel kind ot high-temperature battery. In this Power-to-Storage / Storage-to-Power concept, surplus electrical energy is stored by reduction of a metal oxide and regained by oxidation of the metal. The stacks have been operated for more than 200 redox cycles successfully. ... more

Supported by: The Federal Government on the basis of a decision by the German Bundestag


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