Title Page
ABSTRACT
국문 초록
Contents
CHAPTER 1. INTRODUCTION 11
CHAPTER 2. EXPERIMENTAL SECTIONS 13
2.1. Electrode fabrication 13
2.2. Cell fabrication 13
2.3. Characterization of materials 13
CHAPTER 3. RESULTS AND DISCUSSION 15
3.1. Comparison of bare SUS electrode and lithiophilic metal coated electrodes 15
3.2. Performance evaluation of In-Ag coated electrodes at different positions 18
3.3. Morphological analysis upon Li plating and stripping 23
3.4. Characterization of In-Ag electrodes upon cycling 26
3.5. Electrochemical performance of full-cells 29
CHAPTER 4. CONCLUSION 34
REFERENCES 35
Figure 1. (a) Bare SUS current collector half-cell test result. (b) Comparing interfacial stability between bare SUS electrode half-cell and lithiophilic metal coated electrode half-... 17
Figure 2. (a) Image of In-Ag coated substrate. The numbers on the substrate mean different positions. (b) SEM images and EDS mappings at different positions. (c) Thickness... 20
Figure 3. XRD patterns of In, Ag and In-Ag electrodes at different positions. 21
Figure 4. Galvanostatic time-voltage profile of In coated electrode half-cell. 22
Figure 5. (a) Cross-section SEM images of bare SUS electrode and In-Ag electrode. (b) First cycle voltage profile of In-Ag electrode half-cell test. (c-e) Cross-section SEM images... 24
Figure 6. Coulombic efficiency of In-Ag coated electrode half-cell. 25
Figure 7. (a) XPS Ag 3d spectra of In-Ag coated electrodes for the pristine, after Li plating, and after Li stripping states. (b) XRD pattern of In-Ag coated electrode for the... 28
Figure 8. (a) In-Ag electrode full-cell test with different thickness of capacity-voltage profiles at the first and second cycle. (b) Coulombic efficiency of In-Ag full-cell with... 31
Figure 9. Voltage profiles of In-Ag full-cell with different thickness. 32
Figure 10. Discharge capacity of In-Ag full-cell with different thickness. 33