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Reverse Electrodialysis Cells

  • Kjersti W. Krakhella
  • Markus Wahl
  • Eilif S. Øyre
  • Jacob J. LambEmail author
  • Odne S. Burheim
Chapter
  • 60 Downloads

Abstract

In a closed system, reverse electrodialysis (RED) and electrodialysis (ED) can be coupled into an energy storage system where excess power can be placed in a salinity gradient between two solutions. The device is powered by applying an external power source to force ions from a dilute solution to a concentrated solution through alternating ion exchange membranes. The current is discharged by allowing ions to move from the concentrated solution through the same membranes to dilute solutions, supplying electrical energy at the electrodes. Most literature claims have been developed using open real-world concentration gradients (seawater and freshwater), whereas a closed system may have a higher salt concentration (NaCl up to 6 M). A closed system also benefits from the absence of membrane fouling, and it is simpler to monitor and maintain the temperature. In this chapter, the closed reverse electrodialysis system is discussed.

Notes

Acknowledgements

The authors are grateful to the ENERSENSE programme and NTNU Team Hydrogen at the Norwegian University of Science and Technology (NTNU) for supporting and helping on this book project.

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Copyright information

© Springer Nature Switzerland AG 2020

Authors and Affiliations

  • Kjersti W. Krakhella
    • 1
  • Markus Wahl
    • 2
  • Eilif S. Øyre
    • 3
  • Jacob J. Lamb
    • 2
    • 3
    Email author
  • Odne S. Burheim
    • 4
  1. 1.Department of Materials Science and Engineering, ENERSENSENorwegian University of Science and TechnologyTrondheimNorway
  2. 2.Department of Electronic Systems, ENERSENSENorwegian University of Science and TechnologyTrondheimNorway
  3. 3.Department of Energy and Process Engineering, ENERSENSENorwegian University of Science and TechnologyTrondheimNorway
  4. 4.Department of Energy and Process Engineering, ENERSENSE and NTNU Team HydrogenNorwegian University of Science and TechnologyTrondheimNorway

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