표제지
Abstract
국문요약
목차
1. 서론 12
2. 실험 16
2.1. SBA-15 샘플 제조 16
2.2. 특성 분석 16
2.3. 전기화학 특성 분석 17
3. 결과 및 고찰 19
3.1. SBA-15 합성 19
3.2. SBA-15 물질 특성 분석 19
3.3. SPLA 전기화학적 성능 22
3.4. SPLA 덴드라이트 성장 억제 메커니즘 25
3.5. Ex-situ 분석 26
3.6. SPLA 풀 셀 분석 27
4. 결론 28
5. 참고문헌 29
Table 1. Ionic conductivity in various artificial layers. 51
Figure 1. Schematic illustration of the formation mesostructure of SBA-15. 32
Figure 2. (a) FE-SEM image and (b) FE-TEM Image of SBA-15. 33
Figure 3. (a) Nitrogen adsorption and desorption isotherm curves and (b) pore-sized distribution data of SBA-15. 34
Figure 4. FT-IR spectra of SBA-15. 35
Figure 5. Digital camera images of (a) bare Cu and (b) SPLA. 36
Figure 6. Li+ conductivity of SPLA soaked in an electrolyte (1 M LiTFSI and 5 wt% LiNO₃ additive in 1:1 v/v (DOL/DME)).[이미지참조] 37
Figure 7. Nucleation overpotential of the (a) SPLA and (b) bare Cu at 50 μA cm-2.[이미지참조] 38
Figure 8. Average Coulombic efficiency values of SPLA and bare Cu at different areal current rates. 39
Figure 9. Galvanostatic lithium metal platting/stripping graphs of (a) SPLA and (b) bare Cu at different areal current rates. 40
Figure 10. Cycling performance of SPLA and Cu at 1 mA cm-2 and 1 mA h cm-2.[이미지참조] 41
Figure 11. Cycling performance of symmetric cells of SPLA and Cu at 1 mA h cm-2.[이미지참조] 42
Figure 12. Schematic image for Li-ion transference behavior in SPLA. 43
Figure 13. Ex-situ SEM images of the (a) bare Cu foil and (b) SPLA after 30 cycles at 1 mA cm-2 and 1 mA h cm-2.[이미지참조] 44
Figure 14. Ex-situ TEM image of SBA-15 after 30 cycles at 1 mA cm-2 and 1 mA h cm-2.[이미지참조] 45
Figure 15. Galvanostatic charge/discharge profiles of NMC622 at different current rates. 46
Figure 16. Cycling performance of NMC622 at 0.1 A gncm622-1.[이미지참조] 47
Figure 17. Rrate capability of Li@SPLA//NCM622 from 0.1 to 1.0 A g-1.[이미지참조] 48
Figure 18. Galvanostatic charge/discharge profiles of Li@SPLA//NCM622 during cycles. 49
Figure 19. Cycling performance of Li@SPLA//NCM622 at 0.1 A g-1.[이미지참조] 50