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Combined development of compact thermal energy storage technologies

Objective

The COMTES project has as goal to develop and demonstrate three novel systems for compact seasonal storage of solar thermal energy. These systems will contribute to the EU 20-20-20 targets by covering a larger share of the domestic energy demand with solar thermal energy.
Main objective of COMTES is to develop and demonstrate systems for seasonal storage that are significantly better than water based systems. The three technologies are covered in COMTES by three parallel development lines: solid sorption, liquid sorption and supercooling PCM.
Strength of this approach is the collaboration of three development groups in activities that pertain to the analyses, methods and techniques that concern all technologies, without risking the exchange of confidential material. In this way, the development is much more effective than in three separate projects.
The project starts with a definition of system boundary conditions and target applications. Next comes the investigation of the best available storage materials. Detailed numerical modelling of the physical processes, backed by experimental validations, will lead to optimum component design. Full-scale prototypes are simulated, constructed and tested in the laboratory in order to optimize process design. One year of fully monitored operation in demonstration buildings is followed by an integrated evaluation of the systems and their potential. When deemed successful, the involved industry partners will pick up the developed storage concepts and bring them further to a commercial level.
The COMTES project is a cooperation of key scientific institutions active in the above mentioned heat storage technologies. For the first time, all relevant research disciplines are covered in an international effort. For each development line, a top-leading industry partner contributes its know-how and experience, providing the basis for further industrial development and exploitation of project results.

Coordinator

AEE - INSTITUT FUR NACHHALTIGE TECHNOLOGIEN

Address

Feldgasse 19
8200 Gleisdorf

Austria

Activity type

Research Organisations

Administrative Contact

Wim Van Helden (Dr.)

Participants (10)

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EIDGENOSSISCHE MATERIALPRUFUNGS- UND FORSCHUNGSANSTALT

Switzerland

TECHNISCHE UNIVERSITAET GRAZ

Austria

DANMARKS TEKNISKE UNIVERSITET

Denmark

UNIVERSITAET STUTTGART

Germany

TECHNISCHE HOCHSCHULE WILDAU

Germany

VAILLANT GMBH

Germany

KINGSPAN RENEWABLES LIMITED

United Kingdom

HSR HOCHSCHULE FUR TECHNIK RAPPERSWIL

Switzerland

Nilan A/S

Denmark

VELUX AS

Denmark

Project information

Grant agreement ID: 295568

  • Start date

    1 April 2012

  • End date

    31 March 2016

Funded under:

FP7-ENERGY

  • Overall budget:

    € 6 647 969,60

  • EU contribution

    € 4 735 020,60

Coordinated by:

AEE - INSTITUT FUR NACHHALTIGE TECHNOLOGIEN

Austria