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Physical Storage

Physical Storage | BMWi
Power-to-Gas 12.4.2017

Gas and fuel from wind

Can wind be stored? Siemens, Linde, RheinMain University of Applied Sciences and the Mainz municipal utility company want to enable that during periods with no wind at “Energiepark Mainz” (Mainz Energy Park). For this purpose the researchers are producing hydrogen from wind energy. From 2015, it is intended to produce hydrogen using a Power-to-Gas plant at the newly developed Mainz Energy Park. ... more


Physical Storage | BMBF
Lithium combustion 30.9.2015

Lithium, the renewable coal

Lithium can be used for chemically storing electricity as part of a cycle in which it is first generated electrochemically using surplus electricity and then combusted as required in a power plant-compatible process to release the energy again. In the “LiKohle” project, researchers are investigating and assessing the possible reaction processes, for example in a carbon dioxide or nitrogen atmosphere. Valuable chemical raw materials can be generated as a by-product of the energy conversion. ... 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


Physical Storage | BMBF
Analysis 27.3.2017

Store hydrogen in natural gas deposits

Can hydrogen be stored for longer in the underground of natural gas fields? Researchers evaluated as a part of the project H2STORE geohydraulic, mineralogical, geochemical and biogenic interactions in underground storage of hydrogen in depleted natural gas deposits. ... more


Physical Storage | BMWi
ENABEL: PEM electrolyser 12.4.2017

Power gap filler in the megawatt class

In the project "Stromlückenfüller" Researchers investigate a power-to-gas-to-power concept. The aim is to buffer excess solar and wind power in the form of hydrogen. For the conversion, the researchers are developing a PEM electrolyzer stack for a rated input power of one megawatt. The electrolyzer combines with a hydrogen storage and biogas technology giving an efficient storage system. ... 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 | BMWi
HyINTEGER 18.4.2017

Long-term underground storage of hydrogen

In the H2STORE project, scientists established that hydrogen can induce rock alterations under specific conditions. However, the gas can also cause alterations to other materials, such as steel alloys. Therefore, in the HyINTEGER follow-up project, the researchers are now investigating the interaction between the technical and natural reservoir components. ... more


Thermal Storage

Thermal Storage | BMBF
Organic PCM 5.9.2016

Phase change material is crystallised

With micro-encapsulated or emulsified organic phase change materials, the solidification temperature is frequently below the melt temperature. This so-called undercooling is a hindrance for many applications. By means of systematic investigations, the researchers achieved a fundamental understanding of the physical principles. Based on the experimental findings, models developed that make it possible to forecast the crystallisation properties. ... more


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


Thermal Storage | BMWi
Industrial waste heat utilisation 12.9.2017

Foundry using waste heat of the furnace

In energy-intensive industries, e.g. foundry industry or cement industry, the use of waste heat for example as process or space heating energy reduces the consumption of primary energy.  In the Project “IAST” researchers are testing an energy storage system for discontinuous industrial waste heat of a furnace at a foundry. The implementation and commissioning is expected to start at the end of 2014. ... more


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

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