声明
Abstract
摘要
Abbreviations
List of Figures
List of Tables
Table of contents
Chapter 1：Introduction and Literature Review
1．1 Introduction
1．1．1 Problems related fossil energies
1．1．2 Key Role of ORR and OER in clean energy conversion and storage devices
1．1．3 Aims and Objectives
1．2 Literature review
1．2．1 Metal-air batteries and fuel cells
1．2．2 Supercapacitor
1．2．3 Oxygen electrolysis in Zn-air battery
1．3 Role of Metal organic frame work (MOFs) in the oxygen reduction and oxygen evolution reactions
1．4 Mechanism of oxygen reduction reaction
1．5 Mechanism of oxygen evolution reaction
2．1 Materials
2．1．1 Chemical reagents
2．1．2 Materials characterization
2．1．3 Pymlysis of solid precursors
2．1．4 Prelmmtion of ZIF-67 particles
2．1．5 Synthesis of Co-NCNTs-700
2．1．6 Preparation Co-NCNPs-700
2．1．7 Preparation of ZIF-UA-440
2．1．8 Electrode pre-treatment and preparation of catalyst ink
2．1．9 Preparation of catalyst layer
2．1．10 Preparation of gas diffusion layer
2．2 Synthesis of DSNCs-700
2．2．1 Synthesis of ZIF-67-700
2．3 Electrochemical tests
2．3．1 Cyclic voltammetry (CV)
2．3．2 Rotating ring disk electrode (RRDE) analysis and Tafel slope
2．3．3 Potential Gap(AE)
Chapter 3：In-situ growth of N-CNTs on MOF derived carbon materials as highly efficient electro catalyst for Oxygen reduction and revolution reaction
3．1 introductions
3．2 Results and Discussion
3．2．1 Structure morphology and the effect of heating temperature on N-CNTs
3．2．2 XRD and RS study of Co-NCNTs-700 and Co-NCNPs-700
3．2．3 Surface functionalities and surface area Analysis
3．2．4 TGA,MS and FT-IR analysis of UA
3．3 The oxygen reduction-evolution reaction activities and ZAB performance of the as prepared materials
3．3．1 The Oxygen reduction-evolution reaction activities
3．3．2 ZAB performance
Chapter 4：MOFs derived hybrid double shell Nanocages carbon materials for efficient Oxygen reduction reaction (ORR) and supercapacitor
4．1 Introduction
4．2 Results and discussions
4．2．1 SEM and TEM analysis
4．2．2 XPS and BET analysis
4．2．3 XRD and RS analysis
4．3 ORR activity and Supercapacitor performance
4．3．1 ORR activity
4．3．2 Supelcapacitor performance
Chapter 5：Conclusion
Refefences
Acknowledgement
Author's Introduction
Advisor's Introduction
