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Chapter 16 Numerical analysis of PEM water electrolyzer for hydrogen production: critical parameters

  • Jaspinder Kaur , Raj Kumar Arya , Roderick Melnik and Anurag Kumar Tiwari
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Sustainable Hydrogen Energy
This chapter is in the book Sustainable Hydrogen Energy

Abstract

Concerns about the effects of conventional energy sources on the environment have grown in recent years. It is crucial to switch to sustainable renewable energy sources for various uses to address the challenges of depletion and environmental degradation. The use of polymer electrolyte membrane (PEM) electrolyzers for hydrogen production is one of the intriguing solutions that have a lot of potential. Incorporating basic thermodynamics and electrochemical relationships, this chapter gives the mathematical equations and models that relate to PEM electrolyzers. The research takes into account the well-known Butler-Volmer kinetics for the electrodes and transport resistance within the polymer electrolyte, and it concentrates on a simplified PEM electrolyzer. The investigation looks at how temperature affects the ionic conductivity, resistance, and operational cell voltage of the polymer electrolyte. Various exchange current densities are also included. Specifically, the resistance decreases from 0.438 Ω/ cm2 at 298 K to 0.161 Ω/cm2 at 373 K. Conversely, a slight increase in ionic conductivity is observed. This observation suggests that the membrane assembly’s ionic conductivity improves with temperature, which consequently enhances the hydrogen flow rate.

Abstract

Concerns about the effects of conventional energy sources on the environment have grown in recent years. It is crucial to switch to sustainable renewable energy sources for various uses to address the challenges of depletion and environmental degradation. The use of polymer electrolyte membrane (PEM) electrolyzers for hydrogen production is one of the intriguing solutions that have a lot of potential. Incorporating basic thermodynamics and electrochemical relationships, this chapter gives the mathematical equations and models that relate to PEM electrolyzers. The research takes into account the well-known Butler-Volmer kinetics for the electrodes and transport resistance within the polymer electrolyte, and it concentrates on a simplified PEM electrolyzer. The investigation looks at how temperature affects the ionic conductivity, resistance, and operational cell voltage of the polymer electrolyte. Various exchange current densities are also included. Specifically, the resistance decreases from 0.438 Ω/ cm2 at 298 K to 0.161 Ω/cm2 at 373 K. Conversely, a slight increase in ionic conductivity is observed. This observation suggests that the membrane assembly’s ionic conductivity improves with temperature, which consequently enhances the hydrogen flow rate.

Chapters in this book

  1. Frontmatter I
  2. Preface V
  3. Contents VII
  4. About the editors XI
  5. Part I: Hydrogen production
  6. Chapter 1 Green hydrogen production using biomass 1
  7. Chapter 2 Hydrogen production using nonthermal plasma technology 25
  8. Chapter 3 Technologies to synthesize hydrogen from renewable and environmentfriendly sources: past scenarios and current trends 43
  9. Chapter 4 Thermochemical processes for hydrogen 63
  10. Chapter 5 Synthesis of hydrogen through reforming processes and its utilization to value-added products 107
  11. Chapter 6 Producing green hydrogen from of sugarcane bagasse using ASPEN PLUS simulation 129
  12. Chapter 7 Hydrogen production technologies: state-of-the-art and future possibilities 143
  13. Chapter 8 Hydrogen production technologies: challenges and opportunity 173
  14. Part II: Hydrogen storage
  15. Chapter 9 Reliable, economic, and eco-friendly methods for hydrogen storage 199
  16. Chapter 10 Metal hydrides: a safe and effective solid-state hydrogen storage system 211
  17. Chapter 11 Porous metal-organic frameworks (MOFs) for hydrogen storage 251
  18. Part III: Hydrogen applications and utilization
  19. Chapter 12 Safety first: managing hydrogen in production, handling, and applications 275
  20. Chapter 13 Sustainable hydrogen energy: production, storage, and transportation – transportation of hydrogen and hydrogen-based fuels 305
  21. Chapter 14 Hydrogen-integrated renewable systems for power generation: an overview of technologies and applications 319
  22. Chapter 15 Hydrogen burners for effective utilization of hydrogen as the future fuel 347
  23. Part IV: Hydrogen technology and analysis
  24. Chapter 16 Numerical analysis of PEM water electrolyzer for hydrogen production: critical parameters 363
  25. Chapter 17 Probabilistic risk assessment of liquid hydrogen storage system using fault tree and Bayesian network 379
  26. Chapter 18 Layered perovskites for hydrogen generation via solar-driven water splitting 405
  27. Part V: Hydrogen future and prospects
  28. Chapter 19 Prospects and sustainable approach for biohydrogen 435
  29. Chapter 20 Green hydrogen: challenges and future prospects 449
  30. Chapter 21 Hydrogen: the future fuel 487
  31. Index 503
https://doi.org/10.1515/9783111246475-016

Chapters in this book

  1. Frontmatter I
  2. Preface V
  3. Contents VII
  4. About the editors XI
  5. Part I: Hydrogen production
  6. Chapter 1 Green hydrogen production using biomass 1
  7. Chapter 2 Hydrogen production using nonthermal plasma technology 25
  8. Chapter 3 Technologies to synthesize hydrogen from renewable and environmentfriendly sources: past scenarios and current trends 43
  9. Chapter 4 Thermochemical processes for hydrogen 63
  10. Chapter 5 Synthesis of hydrogen through reforming processes and its utilization to value-added products 107
  11. Chapter 6 Producing green hydrogen from of sugarcane bagasse using ASPEN PLUS simulation 129
  12. Chapter 7 Hydrogen production technologies: state-of-the-art and future possibilities 143
  13. Chapter 8 Hydrogen production technologies: challenges and opportunity 173
  14. Part II: Hydrogen storage
  15. Chapter 9 Reliable, economic, and eco-friendly methods for hydrogen storage 199
  16. Chapter 10 Metal hydrides: a safe and effective solid-state hydrogen storage system 211
  17. Chapter 11 Porous metal-organic frameworks (MOFs) for hydrogen storage 251
  18. Part III: Hydrogen applications and utilization
  19. Chapter 12 Safety first: managing hydrogen in production, handling, and applications 275
  20. Chapter 13 Sustainable hydrogen energy: production, storage, and transportation – transportation of hydrogen and hydrogen-based fuels 305
  21. Chapter 14 Hydrogen-integrated renewable systems for power generation: an overview of technologies and applications 319
  22. Chapter 15 Hydrogen burners for effective utilization of hydrogen as the future fuel 347
  23. Part IV: Hydrogen technology and analysis
  24. Chapter 16 Numerical analysis of PEM water electrolyzer for hydrogen production: critical parameters 363
  25. Chapter 17 Probabilistic risk assessment of liquid hydrogen storage system using fault tree and Bayesian network 379
  26. Chapter 18 Layered perovskites for hydrogen generation via solar-driven water splitting 405
  27. Part V: Hydrogen future and prospects
  28. Chapter 19 Prospects and sustainable approach for biohydrogen 435
  29. Chapter 20 Green hydrogen: challenges and future prospects 449
  30. Chapter 21 Hydrogen: the future fuel 487
  31. Index 503
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