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Chapter 4C Recent progress in cobalt-based nanosheets for electrochemical water oxidation

  • Tanveer Ul Haq und Yousef Haik
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Nanochemistry
Ein Kapitel aus dem Buch Nanochemistry

Abstract

Oxygen evolution reaction (OER) is a core reaction of electrochemical water splitting accountable for converting electricity into an ideal energy carrier, “hydrogen.” This anodic reaction is kinetically sluggish due to multi-intermediates and the complex proton-coupled electron transfer process. The electrocatalyst with optimum surface and electronic structure reduces the kinetic energy barrier for challenging OER. Cobalt-based nanosheets have recently been recognized as highly efficient materials for OER due to their intrinsically active sites, rapid charge and mass transport, and fast reaction kinetics. This review summarizes the recent progress in cobaltbased nanosheets (oxide/hydroxide, boride, nitride, phosphide, and sulfide) for OER. The established mechanisms, structure design for high-output OER, and performance analysis of different Co-based nanosheets are discussed to promote the rational design of a highly efficient and cost-effective OER electrocatalyst.

Abstract

Oxygen evolution reaction (OER) is a core reaction of electrochemical water splitting accountable for converting electricity into an ideal energy carrier, “hydrogen.” This anodic reaction is kinetically sluggish due to multi-intermediates and the complex proton-coupled electron transfer process. The electrocatalyst with optimum surface and electronic structure reduces the kinetic energy barrier for challenging OER. Cobalt-based nanosheets have recently been recognized as highly efficient materials for OER due to their intrinsically active sites, rapid charge and mass transport, and fast reaction kinetics. This review summarizes the recent progress in cobaltbased nanosheets (oxide/hydroxide, boride, nitride, phosphide, and sulfide) for OER. The established mechanisms, structure design for high-output OER, and performance analysis of different Co-based nanosheets are discussed to promote the rational design of a highly efficient and cost-effective OER electrocatalyst.

Kapitel in diesem Buch

  1. Frontmatter I
  2. Contents V
  3. Common abbreviations VII
  4. Preface 1
  5. Section 1: Overview of nanoscience and nanochemistry
  6. Chapter 1 Nanochemistry: development of nanomaterials 31
  7. Section 2: Focus on synthesis methods
  8. Chapter 2A Wet-chemistry-derived nanomaterials and their multidisciplinary applications 131
  9. Chapter 2B Bottom-up synthesis of nanomaterials 239
  10. Chapter 2C Green pathways to synthesize nanomaterials 267
  11. Chapter 2D Synthesis and stabilization of metallic nanoparticles 307
  12. Section 3: Focus on characterization methods
  13. Chapter 3A Advances in understanding electrochemical reaction mechanisms of highly dispersed metal sites using X-ray absorption spectroscopy 327
  14. Chapter 3B In situ spectroscopic studies of the electrochemistry 357
  15. Chapter 3C Integrated X-ray scattering and molecularscale simulation approaches to probe the behavior of confined fluids for a sustainable energy future 437
  16. Section 4: Focus on select example applications of nanoscience in energy, environment, and health
  17. Chapter 4A Electrocatalytic hydrogen production 461
  18. Chapter 4B Nanostructured materials for electrocatalytic hydrogen evolution reaction 489
  19. Chapter 4C Recent progress in cobalt-based nanosheets for electrochemical water oxidation 537
  20. Chapter 4D Nanoapplication: carbon capture and conversions 565
  21. Postface: social impact, consequences, and results of nanotechnology 583
  22. Biography of the editors 593
  23. Biography of the authors 595
  24. Author list 603
  25. Index 607
https://doi.org/10.1515/9783110739879-012

Kapitel in diesem Buch

  1. Frontmatter I
  2. Contents V
  3. Common abbreviations VII
  4. Preface 1
  5. Section 1: Overview of nanoscience and nanochemistry
  6. Chapter 1 Nanochemistry: development of nanomaterials 31
  7. Section 2: Focus on synthesis methods
  8. Chapter 2A Wet-chemistry-derived nanomaterials and their multidisciplinary applications 131
  9. Chapter 2B Bottom-up synthesis of nanomaterials 239
  10. Chapter 2C Green pathways to synthesize nanomaterials 267
  11. Chapter 2D Synthesis and stabilization of metallic nanoparticles 307
  12. Section 3: Focus on characterization methods
  13. Chapter 3A Advances in understanding electrochemical reaction mechanisms of highly dispersed metal sites using X-ray absorption spectroscopy 327
  14. Chapter 3B In situ spectroscopic studies of the electrochemistry 357
  15. Chapter 3C Integrated X-ray scattering and molecularscale simulation approaches to probe the behavior of confined fluids for a sustainable energy future 437
  16. Section 4: Focus on select example applications of nanoscience in energy, environment, and health
  17. Chapter 4A Electrocatalytic hydrogen production 461
  18. Chapter 4B Nanostructured materials for electrocatalytic hydrogen evolution reaction 489
  19. Chapter 4C Recent progress in cobalt-based nanosheets for electrochemical water oxidation 537
  20. Chapter 4D Nanoapplication: carbon capture and conversions 565
  21. Postface: social impact, consequences, and results of nanotechnology 583
  22. Biography of the editors 593
  23. Biography of the authors 595
  24. Author list 603
  25. Index 607
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