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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.

Electrical Storage

Electrical Storage | BMWi
Stationary Energy Storage Systems 3.9.2015

Zinc-air batteries for the grid

Until now, zinc-air batteries have mostly been used as small disposable batteries, for example for hearing aids. The electrochemical reaction of zinc with atmospheric oxygen offers, however, considerable potential for building rechargeable storage systems with a high energy density for large energy volumes. Until now it has not been possible to implement it technically. In the “ZnPLUS” project, scientists want to utilise new concepts and components to develop an economic zinc-air energy storage system in the megawatt range. ... more


Electrical Storage | BMWi
Analysis 24.9.2015

Storages in grid-connected PV systems

Photovoltaik storages can specifically relieve the grids and reduce the net expansion to a necessary measure. Which use PV storages have, depends on the operating method of the storage and the grid. First results gives the analysis "PV Benefit". .

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Electrical Storage | BMBF
Redox-Flow-Battery 12.4.2017

Energy from tubes

In the joint tubulAir project, scientists are developing a new redox flow battery type for stationary applications. This is intended to be cheaper to produce while having a considerably greater output and energy density. The new system works with just one electrolyte solution in combination with compressed ambient air. Also new is the geometry of the cells, which are constructed as micro-tubes. ... 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
Metal-air-battery 18.10.2016

Electricity from air and magnesium

Researchers from Bonn, Ulm and Berlin develop the basis for rechargeable high energy batteries in the project MgLuft. This uses magnesium as a negative and an air electrode as the positive electrode. The magnesium-air battery is to be used in future as a novel electrochemical energy storage in power systems. ... more


Electrical Storage | BMWi
Decentralised battery storage 12.4.2017

Battery System for owners and the grid

In the project PV-host scientists want to improve decentralized storage battery technically and economically. To this end, they compare solar storage that are suitable for detached houses. They want to find out which operating strategy operates useful with a memory as possible network. The storage will not only meet their own needs of the household, but also reduce feed-in peak. This is to ensure that the network can accommodate a total of more electricity from solar installations. ... 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


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

Dates

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