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Hydride compressor

Hydrogen compressor based on absorption and desorption of hydrogen

Hydride compressor
Summary

Hydrogen compressor based on absorption and desorption of hydrogen

A hydride compressor is a hydrogen compressor based on metal hydrides with absorption of hydrogen at low pressure, releasing heat, and desorption of hydrogen at high pressure, absorbing heat, by raising the temperature with an external heat source like a heated waterbed or electric coil.

Advantages of the hydride compressor are the high volumetric density, no moving parts, simplicity in design and operation, the possibility to consume waste heat instead of electricity and reversible absorption/desorption, disadvantages are the high cost of the metal hydride and weight.

Thermodynamic compression cycle of hydride compressor

History

The first applications of metal hydrides were made by NASA to demonstrate long-term hydrogen storage for use in space propulsion. In the 1970s, automobiles, vans, and forklifts were demonstrated. The metal hydrides were used for hydrogen storage, separation, and refrigeration. An example of current use are hydrogen sorption cryocoolers and portable metal hydride compressors.

References

References

  1. [http://www.norstore.ife.no/workshops/2004_Stavern/Presentations/03_08_Maehlen.pdf Metal hydride thermal sorption compressor]{{dead link. (November 2017)
  2. [http://www.eere.energy.gov/hydrogenandfuelcells/pdfs/32405b37.pdf Hydride compressor] {{webarchive. link. (2012-05-03)
  3. (2009). "Investigation on a three-stage hydrogen thermal compressor based on metal hydrides". Journal of Physics: Conference Series.
  4. (2007). "Investigation on high-pressure metal hydride hydrogen compressors". International Journal of Hydrogen Energy.
  5. (4 April 2012). "Metal hydride hydrogen compressors: A review". International Journal of Hydrogen Energy.
  6. (2006). "Metal hydrides for vehicular applications: The state of the art". JOM.
  7. (2003). "Cryocoolers 12".
  8. [http://www.ergenics.com/page19.htm Metal hydride compressor] {{webarchive. link. (2009-10-01)
Wikipedia Source

This article was imported from Wikipedia and is available under the Creative Commons Attribution-ShareAlike 4.0 License. Content has been adapted to SurfDoc format. Original contributors can be found on the article history page.

compressors hydrogen-technologies
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