Electrochemical Processes at MIEC Cathodes

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Table of contents

INTRODUCTION 
Objective of the thesis
1 FUNDAMENTALS OF SOFC 
1.1 Fundamentals of SOFC
1.2 Electrochemical Processes at MIEC Cathodes
1.3 Power Losses in SOFCs
1.4 Triple Phase Boundary
1.5 State-of-the-art SOFC components
1.6 Cathode Materials
1.7 Microstructural factors affecting the cathode performance
1.8 Modelling of SOFC cathodes
1.9 Degradation problems and long term stability
2 FABRICATION AND CHARACTERIZATION METHODS 
2.1 Fabrication of the cell constituents
2.2 Film Characterization Techniques
2.3 Electrochemical Impedance Spectroscopy (EIS)
2.4 Materials and cell preparation for symmetrical cells
2.5 Materials and cell preparation for anode supported cell
2.6 Summary
3 INFLUENCE OF MICROSTRUCTURE, COMPOSITION AND SINTERING TEMPERATURE ON THE ELECTRODE PERFORMANCE 
3.1 Introduction
3.2 The effect of microstructure on the pure LSCF electrode performance
3.3 The effect of CGO addition in LSCF electrode in columnar-type microstructure
3.4 The effect of sintering temperature on 60:40 LSCF/CGO film performance
3.5 Conclusion
4 THE PERFORMANCE OF ARCHITECTURED DOUBLE LAYER LSCF CATHODE ON ANODE-SUPPORTED CELLS 
4.1 Introduction
4.2 The architecture of cathode films
4.3 The influence of CCL thickness on the performance of double layer electrode
4.4 The influence of CFL thickness on the performance of double layer electrode
4.5 Aging of the selected double layer LSCF cathode in symmetrical cell
4.6 Integration of state-of-the-art double layer LSCF cathode on anode-supported SOFC
4.7 Conclusion
5 RATIONAL DESIGN OF CATHODE MICROSTRUCTURES BY 3D FEM MODELLING 
5.1 Introduction
5.2 Which Geometry?
5.3 Simulations and assumptions
5.4 3D FEM: Model 1
5.5 3D FEM: Model 2
5.6 Conclusion
CONCLUSIONS AND PERSPECTIVES 
1.Conclusions
2.Perspectives
APPENDICES
Appendix A
Appendix B
Appendix C
Appendix D
Appendix E
REFERENCES