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2. Cryogenic energy storage - Wikipedia

   en.wikipedia.org/wiki/Cryogenic_energy_storage

   Cryogenic energy storage (CES) is the use of low temperature liquids such as liquid air or liquid nitrogen to store energy. [1] [2] The technology is primarily used for the large-scale storage of electricity. Following grid-scale demonstrator plants, a 250 MWh commercial plant is now under construction in the UK, and a 400 MWh store is planned ...

3. Cryogenics - Wikipedia

   en.wikipedia.org/wiki/Cryogenics

   Nitrogen is a liquid under −195.8 °C (77.3 K).. In physics, cryogenics is the production and behaviour of materials at very low temperatures.. The 13th International Institute of Refrigeration's (IIR) International Congress of Refrigeration (held in Washington DC in 1971) endorsed a universal definition of "cryogenics" and "cryogenic" by accepting a threshold of 120 K (−153 °C) to ...

4. Hydrogen storage - Wikipedia

   en.wikipedia.org/wiki/Hydrogen_storage

   ] The storage of large quantities of hydrogen underground in solution-mined salt domes, [133] aquifers, [134] excavated rock caverns, or mines can function as grid energy storage, [135] essential for the hydrogen economy. [136] By using a turboexpander the electricity needs for compressed storage on 200 bar amounts to 2.1% of the energy content ...

5. Cryogenic fuel - Wikipedia

   en.wikipedia.org/wiki/Cryogenic_fuel

   Cryogenic fuels are fuels that require storage at extremely low temperatures in order to maintain them in a liquid state. These fuels are used in machinery that operates in space (e.g. rockets and satellites) where ordinary fuel cannot be used, due to the very low temperatures often encountered in space, and the absence of an environment that supports combustion (on Earth, oxygen is abundant ...

6. Energy storage - Wikipedia

   en.wikipedia.org/wiki/Energy_storage

   Storage capacity is the amount of energy extracted from an energy storage device or system; usually measured in joules or kilowatt-hours and their multiples, it may be given in number of hours of electricity production at power plant nameplate capacity; when storage is of primary type (i.e., thermal or pumped-water), output is sourced only with ...

7. Thermal energy storage - Wikipedia

   en.wikipedia.org/wiki/Thermal_energy_storage

   Molten salts can be employed as a thermal energy storage method to retain thermal energy. Presently, this is a commercially used technology to store the heat collected by concentrated solar power (e.g., from a solar tower or solar trough). The heat can later be converted into superheated steam to power conventional steam turbines and generate ...