A new technical report released by the EU-funded COOPERANT project highlights how innovative Thermal Energy Storage (TES) designs can overcome the physical and economic barriers of traditional Concentrated Solar Power (CSP) facilities.
The public document, titled “Report on CSP-TES requirements for potential key applications” (Deliverable 1.3), outlines the engineering framework for COOPERANT’s hybrid packed-bed TES system. By combining solid-state material mixtures with Phase Change Materials (PCMs) optimized for temperatures reaching up to 1000°C, the project’s novel storage configuration increases energy density and reduces system footprint by up to 30% compared to standard setups.
Solving the High-Temperature Energy Challenge
While conventional CSP facilities are typically limited to operational temperatures below 600°C due to degradation and corrosion in molten salt media, COOPERANT’s system is engineered for ultra-high temperature performance. The deliverable details how the hybrid packed-bed design addresses key thermal storage metrics required for 24/7 industrial deployment:
- High Energy Density: Integrating PCMs alongside cost-effective solid-state media allows for compact storage units capable of retaining high thermal capacities.
- Extreme Temperature Resilience: Engineered specifically to withstand thermal cycling and high-temperature airflow up to 1000°C from open volumetric receivers.
- Circular Material Integration: Explores the incorporation of recycled industrial waste ceramics and natural mineral fillers as sensible media to reduce overall capital expenditure ($/kWh).
- Enhanced Dispatchability: Minimizes thermal losses and maintains steady discharge profiles, ensuring uninterrupted energy supply during non-sunny hours.
Accelerating Industrial Sector Engagement
The report serves as a baseline for upcoming prototyping and scaling phases within the COOPERANT project. The technical requirements outlined will directly inform the consortium’s work with the Stakeholder Replicability Board (SRB), engaging key industrial actors from the cement, steel, chemical, and district heating sectors to validate real-world application scenarios.