To accelerate the energy transition there is an urgent need for energy storage both for electricity and heat due to the intermittency of renewable resources. As a large part of our energy consumption is in form of thermal energy (78% in the built environment), and as there is a large amount of unused low temperature waste heat (8900 PJ in Europe), thermal energy storage offers route towards bridging availability and demand. Long term loss-free compact heat storage is the missing link, and Thermo-Chemical Energy Storage (TCES) has the potential to play this role. Unfortunately, present TCES concepts lack flexibility as a precise fit between the phase diagram of TCES-materials, the system design and the temperature demand of an application is needed. Therefore, most of the R&D for applying TCES is very specific for a particular application and switching to another application requires that much of the R&D process has to be redone.
Main results
4TunaTES revolutionizes thermal energy storage with adaptable TCES technology, cutting development costs by 90%. Its prototype tackles domestic heating challenges through innovative materials, flexible heat exchangers, and advanced thermodynamic cycles. Consortium members like CNR, DLR, and Cellcius integrate key findings, unlocking vast potential in thermal energy storage. With expertise from computational material scientists to heat battery developers, 4TunaTES promises groundbreaking advancements in energy storage.
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