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Flagship of the funding initiative

Batteries in the distribution grid

The projects range from batteries connected to photovoltaic systems in households to electricity storage facilities capable of storing megawatts of power which can be used by energy supply companies. Key research topics include electrical or electrochemical systems for storing electrical energy, such as batteries, redox flow or double-layer capacitors, and mechanical storage systems, such as compressed air storage, pumped storage power plants or flywheels. Other projects being funded include new storage concepts and research into connecting decentralized storage systems.

long-term storage

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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Physical Storage | BMWi
Stationary battery storage systems 8.11.2016

Cost-effective manufacture of lithium batteries

Compared with other electrochemical storage systems, lithium-ion batteries have high energy efficiencies, high energy densities and long service lives. They are therefore the first choice for many mobile applications. However, they are still not used very much as stationary storage systems and are comparatively expensive. It is intended that environmentally friendly and cost-effective production processes for the battery cells and storage systems shall change that. ... more

short-term storage

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

Electrical Storage | BMBF
Capacitors 10.12.2014

From power grid to fundamental research


the ENREKON project, which stands for the “Development of resource-efficient

condensers for short-term energy storage”, researchers are synthesising ionic

liquids and transition metal oxides. Following this, a physical and structural analysis will be performed. Important capacitor-specific characteristics will be determined with dielectric spectroscopy over a wide temperature- and frequency range. ... more

Electrical Storage | BMWi
Pump storage StEnSEA 12.4.2017

Storing energy at sea

The project “StEnSEA” (Stored Energy in the Sea) is investigating the installation of large storage facilities on the sea floor, in combination with offshore wind farms. The physical principle is similar to that of conventional pumped storage power plants, but based not on two reservoirs, but a hollow sphere. The inflowing water drives a turbine to generate electricity. When there is a surplus of electricity in the grid, part or all of the water is pumped out of the sphere. The commercial target size per sphere is currently at about 20 MWh per storage unit. .

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Electrical Storage | BMWi
Grid management 7.11.2016

Management of decentralised PV-battery systems

Net parity of photovoltaic electricity with the price for domestic consumers makes on-site consumption of locally generated electricity increasingly interesting. Efficient and long-life batteries will allow storage to increase on-site consumption in future. In the ”Net-PV“ project, researchers are investigated the opportunities and benefits of different operating strategies for solar battery systems and the combination of business models. ... more

Electrical Storage | BMWi
SmartRegion Pellworm 26.8.2015

Hybride storage system based on renewables

How electrical storage systems optimally work together with renewable energies is being investigated by researchers of the project “SmartRegion Pellworm”. To this end, they test the use of efficient storage systems. The island Pellworm could reduce the supply of energy from the mainland by up to 90 percent by now. ... more

Electrical Storage | BMBF
Super capacitor 14.9.2015

Nanomaterial increases capacity

Supercapacitors are very important to the management of the power system as a short-term storage and to improve the efficiency of a plurality of different systems. They are essential in public transport. The research group are researching the project nanoEES3D this technique now more accurate and simultaneously improve the energy storage capacity. ... more

Electrical Storage | BMWi
M5BAT battery storage power plant 28.7.2016

Battery storage system with five megawatts of capacity

Researchers at RWTH Aachen seek credible answers on the costs and savings potential of battery storage power plants together with industry partners. A modular battery storage power plant, unique worldwide, with five megawatts of capacity is currently being developed for this purpose. ... more

Electrical Storage | BMBF
Lithium-ion batteries 11.4.2017

New generation of lithium-ion batteries

A young research group investigated aqueous electrolytes based on lithium-ion batteries for intermediate storage of electrical energy. The young researchers are developing new coatings and electrolytes for the stabilization of the active components. ... more

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


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