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Cryogenic AIR Energy Storage

Highview Design

Future

  • Best tech for large storage
  • Charge & Discharge is free
  • Power & Capacity is free
  • Does add spinning mass
  • NO new tech is needed
  • Actually doable
  • A compression

waste heat is stored in water

  • Refrigeration

Waste heat is stored in rocks

  • Liquid Nitrogen in Cryotank
  • evaporation using Rocks
  • Expansion using Hot water
  • HIGH pressure Nitrogen gas
  • Turns turbine for energy
  • Grid stability service or

Huge energy reserve

Cryogenic Energy Storage

  • Can be placed anywhere
  • No complex chemistry
  • Very small foot print
  • All parts are industrial unit
  • Pre existing supply chain

Reality

Problem

  • Many large plants are under construction
  • Pilot Plant (350kW/2.5MWh)
  • Carrington,UK 50 MW /250 MWh
  • Vermont ,USA 50 MW /400MWh
  • IT not suitable for small scale
  • Bigger the better mwh / $
  • Does have low efficiency
  • Claim of 50 ~60 %

same as pumped hydro

  • Renewable have Intermittency
  • We need HUGE Energy storage
  • Lithium does not scale to GW
  • Pumped Hydro is location specific (High & water)
  • Compressed air need natural gas pocket or it too expensive
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