Attraktives
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Objectives


Our energy supply is largely based on renewable energies. However, wind power and solar energy are not always available. So that they can guarantee a continuous power supply, they need energy storage as a buffer. With its help, electrical energy can be stored locally and accessed when required. Network bottlenecks and oversupply of wind and solar energy can also be absorbed or at least mitigated with storage systems, which thus compensate for fluctuations in the network. Wind and solar systems can be made controllable and base load capable with energy storage systems. Decentralized storage systems for electrical energy could also avoid the high costs of network expansion.

Conventional compressed air systems only achieve low electrical efficiencies of approx. 10% without additional complex compensation measures. The high temperatures (up to 600 ° C) during the compression of air and down to -40 ° C during the decompression result in high energy losses. These are the main reason why compressed air systems for storing electrical energy in the low power range have not been used up to now. By using a new storage technology, not only the electrical efficiency
can be improved, but with the help of sector coupling, the heat and cold that occur are also made energetically usable and stored.

The development goal of this compressed air storage system is the extensive elimination of energy losses by means of an intelligent storage technology, which is able to significantly increase the system efficiency.