| 摘要 | 第1-6页 |
| ABSTRACT | 第6-8页 |
| ACKNOWLEDGEMENTS | 第8-12页 |
| LIST OF TABLES | 第12-13页 |
| LIST OF FIGURES | 第13-17页 |
| CHAPTER 1 INTRODUCTION | 第17-31页 |
| ·Introduction to fuel cells | 第17-18页 |
| ·Oxygen reduction reaction (ORR) of fuel cells | 第18-22页 |
| ·Electrocatalysts for oxygen reduction in fuel cells | 第22-28页 |
| ·Non-noble metal electrocatalysts | 第22-25页 |
| ·N-doped carbon material electrocatalysts | 第25-27页 |
| ·Nitrogen doping methods | 第27页 |
| ·Tungsten carbide electrocatalysts | 第27-28页 |
| ·Electrospinning technology | 第28-29页 |
| ·Basic principles | 第28-29页 |
| ·Influence factors of electrospinning | 第29页 |
| ·Major work of my research | 第29-31页 |
| CHAPTER 2 EXPERIMENTAL METHODS | 第31-38页 |
| ·Preparation of catalysts | 第31-33页 |
| ·Preparation of WC coated CNF catalysts | 第31-32页 |
| ·Preparation of N-doped CNF catalysts | 第32页 |
| ·Preparation of B- and N-codoped CNF catalysts | 第32-33页 |
| ·Catalyst characterization | 第33-35页 |
| ·TGA-DSC | 第33页 |
| ·SEM/EDX | 第33-34页 |
| ·XRD | 第34页 |
| ·FTIR Spectroscopy | 第34页 |
| ·Raman Spectroscopy | 第34-35页 |
| ·Cyclic Voltammetry (CV) and Rotating Disk Electrode (RDE) | 第35-38页 |
| ·Working electrodes (WE) | 第36页 |
| ·Counter electrode (CE) | 第36页 |
| ·Reference electrode (RE) | 第36-37页 |
| ·Electrolytes and electrochemical set-up | 第37-38页 |
| CHAPTER 3 PREPARATION OF WC/CNF CATALYSTS AND THEIR ELECTROCATALYTIC ACTIVIES FOR ORR | 第38-45页 |
| ·Stabilization of PAN nanofibers | 第38-39页 |
| ·Characterization of WC/CNF catalysts | 第39-42页 |
| ·SEM characterization | 第39-40页 |
| ·XRD and EDX analysis | 第40-42页 |
| ·Electrochemical testing results | 第42-44页 |
| ·Conclusion | 第44-45页 |
| CHAPTER 4 PREPARATION OF N-DOPED CNF CATALYSTS AND THEIR ELECTROCATALYTIC ACTIVIES FOR ORR | 第45-67页 |
| ·Introduction | 第45页 |
| ·Characterizations of N-doped CNF catalysts | 第45-56页 |
| ·SEM characterization | 第45-48页 |
| ·Raman spectroscopy analysis | 第48-50页 |
| ·EDX and FTIR spectra analysis | 第50-51页 |
| ·XPS analysis | 第51-56页 |
| ·Measurement of electrocatalytic activity of N-CNFs | 第56-66页 |
| ·CV testing results | 第56-62页 |
| ·RDE testing results | 第62-66页 |
| ·Conclusion | 第66-67页 |
| CHAPTER 5 PREPARATION OF B- AND N-CODOPED CNF CATALYSTS AND THEIR ELECTROCATALYTIC ACTIVIES FOR ORR | 第67-75页 |
| ·Characterization of boron carbonitride nanofibers | 第67-69页 |
| ·SEM characterization | 第67-68页 |
| ·FTIR analysis | 第68-69页 |
| ·Measurement of electrocatalytic activity of boron carbonitride nanofibers | 第69-70页 |
| ·Characterization of BN/CNF catalysts | 第70-73页 |
| ·SEM characterization | 第71-72页 |
| ·FTIR analysis | 第72-73页 |
| ·Measurement of electrocatalytic activity of BN/CNFs | 第73-74页 |
| ·Conclusion | 第74-75页 |
| CONCLUSIONS | 第75-77页 |
| REFERENCES | 第77-85页 |
| PATENTS | 第85-87页 |
| 硕士研究生个人简历 | 第87页 |
