Scope:Specific challenge:Storage plays a pivotal role in synchronising energy demand and supply, both on a short and long term (seasonal) basis. Transformation of our existing building stock towards very low energy buildings and nearly zero energy and Plus-energy buildings requires effective integration and full use of the potential yield of renewable energy. Thermal storage is a key priority to make such a step, particularly considering the energy renovation of the existing stock, where compact building level solutions are required.
Scope:Proposals should address advanced solutions required to reduce thermal losses, reduce pressure drops, and improve heat exchange in and between storage material and heat carrier. Having in mind a system approach, innovations are required at different levels. High energy density storage materials are needed in terms of long term multi-cyclic stability at tuneable temperature levels. These advanced energy storage materials should allow regeneration temperatures in a range below 100oC to enable a higher efficiency and effectiveness of thermal energy storage of at least 6 times the energy storage density of water. Furthermore, an additio...
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Scope:Specific challenge:Storage plays a pivotal role in synchronising energy demand and supply, both on a short and long term (seasonal) basis. Transformation of our existing building stock towards very low energy buildings and nearly zero energy and Plus-energy buildings requires effective integration and full use of the potential yield of renewable energy. Thermal storage is a key priority to make such a step, particularly considering the energy renovation of the existing stock, where compact building level solutions are required.
Scope:Proposals should address advanced solutions required to reduce thermal losses, reduce pressure drops, and improve heat exchange in and between storage material and heat carrier. Having in mind a system approach, innovations are required at different levels. High energy density storage materials are needed in terms of long term multi-cyclic stability at tuneable temperature levels. These advanced energy storage materials should allow regeneration temperatures in a range below 100oC to enable a higher efficiency and effectiveness of thermal energy storage of at least 6 times the energy storage density of water. Furthermore, an additional innovation may concern storage reactor components, in particular the heat exchanger. With respect to the entire storage system, advanced energy management is needed, including smart algorithms for (dis)charging at different temperatures, and simple and robust control equipment. These storage solutions should be enabled by material innovations that are safe and environmentally friendly.
Small scale demonstration of the technical (with compactness as a crucial boundary condition) and economic feasibility of such storage systems at the level of components and systems in relation to space heating and cooling and/or domestic hot water systems of a single building are expected, validating a systemic approach in system integration and scalability in near real life operating conditions.
For this topic, proposals should include an outline of the initial exploitation and business plans, which will be developed further in the proposal project.
Activities expected to focus on Technology Readiness Levels 4-6.
The Commission considers that proposals requesting a contribution from the EU between EUR 3 and 6 million would allow this specific challenge to be addressed appropriately. Nonetheless, this does not preclude submission and selection of proposals requesting other amounts.
Expected impact:
Provide advanced thermal energy storage solutions.
Demonstrate solutions that have a stable long term performance in multi-cyclic seasonal use of at least 20 years.
Validate in the case of pumpable energy storage materials, an energy density comparable to the best solid-gas systems.
Deliver compact systems with the potential to fit in the limited space available in a single building in the existing housing stock. The storage material volume per dwelling should not exceed 2.5 m3.
Solutions should demonstrate a potential to reduce the net energy consumption of a building by at least 15% and a have return-on-investment period below 10 years.
Type of action: Research & Innovation Actions
Cross-cutting Priorities:Contractual Public-Private Partnerships (cPPPs)EeB
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