Electrifying heat with solid-state thermochemical energy storage.
eThermFlex combines advanced microwave heating and thermochemical materials to deliver a new approach for clean, efficient, and compact thermal energy storage.
Off-peak Charging
Renewables (e.g., wind and solar) powers microwave heating during off-peak hours, driving endothermic dehydration of thermochemical materials.
Energy Storage
The dehydrated material and isolated water are held in a stable state, with energy stored in chemical form for later use.
Peak-period Discharging
During peak period, water reacts with the dehydrated material to release heat, which is delivered to industrial and residential buildings.
Materials & Reactions
High Energy
Density
Up to 350 kWh/m³, outperforming water tanks and phase change materials
Solid Thermochemical Materials
Reversible hydration or dehydration reactions
Microwave
Activation
Enables volumetric, rapid heating with high efficiency
Wide Temperature
Range
Supports 5–500°C for various high-grade heat needs
Comparison with Alternatives
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