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high- performance heat storage unit which is based on a thermochemical reaction

recycling of waste heat of 120-400 °C (and of 400-815 °C)  – efficient, cost-effective and robust

  • one module contains: heat exchanger, fine granules of cost-effective solid material, and industrial reaction gas
  • offers high energy density
  • highly dynamic heat release, reaches peak temperature in less than a minute
  • delivers heat at high temperature levels of up to over 300 °C (575 °F)
  • charging process with waste heat between 120-400 °C (250-750 °F)
  • enables local and temporal decoupling of waste heat accumulation and heat utilization
  • uniquely cost-effective combinations of materials
  • robust system with high cycle stability
  • easy to handle
  • also suitable for long-term storage- practically no losses for many months

Level of innovation

  • unique storage system based on thermo-chemical reaction
  • patent protection available
  • unique combination of required know-how and equipment at the TU Wien: latest material analysis and synthesis techniques as well as highly accurate determination of heat storage capacity, paired with latest know-how in engineering, process technology and production

Target groups and applications

  • heat recycling for the manufacturing industry in various sectors - from basic industries to foodstuffs
  • storage of solar energy for later use for electricity production or heat supply
  • avoidance of cold starts through rapid preheating of equipment and operating material - e.g. oil and catalytic converter for combustion engines in construction machinery, tractors, ships
  • operators of heating networks
  • plant manufacturers
  • mechanical engineering and motor industry
  • municipal energy suppliers


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Module for highly dynamic recycling of waste heat

Module for highly dynamic recycling of waste heat

Typical temperature curves of the reaction of CuSO4 with NH3 - depending on size and geometry of the heat accumulator

Typical temperature curves of the reaction of CuSO4 with NH3 - depending on size and geometry of the heat accumulator

Typical temperature curve during hydration of MgO to Mg(OH)2, depending on storage dimension

Typical temperature curve during hydration of MgO to Mg(OH)2, depending on storage dimension

Contact

Univ.Prof. Dr. Andreas Werner and Peter Heimerl

 

Plane – Energy Solutions