표제지
국문초록
목차
I. 서론 12
II. 이론적 고찰 14
2.1. 연료전지의 개념 및 원리 14
2.2. 연료전지 구성요소 16
2.2.1. 연료 개질기 17
2.2.2. 단위전지(Unit Cell) 17
2.2.3. 스택(Stack) 17
2.2.4. 전력 변환기 18
2.3. SOFC 18
2.3.1. SOFC의 원리 18
2.3.2. SOFC 연구개발의 개선방향 및 추진방향 29
III. 실험 31
3.1. 실험시약 31
3.2. 실험장치 32
3.3. SOFC의 Anode 제조 33
3.4. SOFC의 전해질 제조 및 cathode paste 제조 35
IV. 결과 및 고찰 36
4.1. EDX, XRD를 이용한 NiO-SDC Anode 분석 36
4.2. NiO-SDC Anode의 porosity 분석 41
4.3. SEM을 통한 cell의 특성 분석 46
4.4. SOFC의 전기화학적 특성 49
V. 결론 53
VI. 참고문헌 54
ABSTRACT 57
Table 1. EDX elemental analysis for 35% Ni-SDC anode 37
Table 2. EDX elemental analysis for 45% Ni-SDC anode 37
Table 3. EDX elemental analysis for 55% Ni-SDC anode 38
Table 4. EDX elemental analysis for 65% Ni-SDC anode 38
Table 5. BET analysis for NiO-SDC anode 42
Figure 1. Generic fuel cell. 15
Figure 2. Generic fuel cell operating system 16
Figure 3. Principles of SOFC system 19
Figure 4. Principles of O2-Ion pass through the electrolyte(이미지참조) 21
Figure 5. The schematic for preparation of NiO-SDC 34
Figure 6. XRD peak spectrum for 35% NiO-SDC 39
Figure 7. XRD peak spectrum for 45% NiO-SDC 39
Figure 8. XRD peak spectrum for 55% NiO-SDC 40
Figure 9. XRD peak spectrum for 65% NiO-SDC. 40
Figure 10. BET surface areas and pore volume isotherms as a function of nickel contents 43
Figuer 11. Isotherm linear plot of BET adsorption-desorption (a) 35%Ni-SDC (b) 45%Ni-SDC 44
Figuer 12. Isotherm linear plot of BET adsorption-desorption (a) 55%Ni-SDC (b) 65%Ni-SDC 45
Figure 13. SEM images of cross-section of NiO-SDC anode pellet, where the anodes were prepared with various applied Nickel contents 47
Figure 14. SEM images of cross-section of NiO-SDC anode supported SOFC single cell (a) with non-porous electrolyte (b) with porous electrolyte interlayer 48
Figure 15. I- V and power density curve of NiO-SDC anode supported SOFC single cells at 600℃ 51
Figure 16. I- V and power density curve of NiO-SDC anode supported SOFC single cells at 600℃ 52