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Thermal Storage | BMWi
Long-term storage 9.1.2017

Saisonal storage in aquifers

Aquifers have a large storage capacity and offer considerable potential as seasonal thermal or cooling storage systems. In a research project, researchers developed an improved storage concept for supplying heating and cooling energy to buildings and entire urban districts. For this purpose, they are combined the expertise from various specialist areas such as energy technology, geochemistry, hydrogeology, architecture and urban development. ... more

Overarching Themes | BMWi
Central energy management system 9.1.2017

City as Storage

A central

management system in a City can make electricity producers and consumers work

together. The result is a virtual energy storage for the energy system.

Scientists developed a management system that bundles cogeneration systems, heat

pumps , night storage heaters, photovoltaic batteries and other equipment. .

.. more

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

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 | BMBF
Grids 18.10.2016

Grid stabilization using battery power plants

How can a battery storage system be further developed to form a plant for balancing power production? This is the question that the researchers are investigating in the SDL-Batt project. Here they are testing various system services and evaluating them in economic terms, whereby the research is focusing on the operating data, energy balancing and the simulation of different methods. ... more

Thermal Storage | BMWi
Large scale emission-free electricity storage 18.10.2016

Compressed air instead of a pumped-storage power plant

Since 2009, scientists in the joint ADELE project are investigating adiabatic compressed air storage systems with a focus on turbo machines, thermal storage systems and caverns. In the ADELE-ING follow-up project, researchers are now comparing the various process versions. This is intended to drive forward the basic and detail engineering required for a preliminary demonstration plant and act as an investment basis. ... 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

Physical Storage | BMWi

World's first industrial power-to-gas plant

In the WOMBAT project, researchers are pursuing the idea of combining the electricity and gas network. The intention is to utilise surplus electricity from renewable sources for generating hydrogen. This is synthesised with carbon dioxide in biogas plants to form methane, which is the main component of natural gas. This makes it possible to utilise the complex infrastructure for the gas industry, ranging from the transport to the storage. ... more

Physical Storage | BMWi
Supply networks 4.10.2016

Coupling renewables with electricity and gas grids

In the KonStGas project scientists examined the potentials to integrate renewable energy sources, resulting from the coupling of energy networks. For this purpose, they model the energy flows of the total energy supply structure and evaluate the results from an economic perspective. They derive recommendations for the adjustment of energy infrastructure and future energy market. ... more

Physical Storage | BMBF
Solar hydrogen production 3.10.2016

Direct conversion of solarenergy in hydrogen

So far, in solar hydrogen generation PV modules are coupled via a dc interface with a central electrolysis unit. The aim of the joint project "HyCon" was therefore a radical simplification of the system by using novel integrated approach. To this end, in a concentrator High Efficient III- V multijunction solar cells are connected directly to an electrolysis cell. In tis way, still unmatched conversion efficiencies of sunlight into hydrogen more than 20 percent can be achieved. ... more

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


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