| 학회 |
한국공업화학회 |
| 학술대회 |
2018년 가을 (10/31 ~ 11/02, 제주국제컨벤션센터(ICC JEJU)) |
| 권호 |
22권 2호 |
| 발표분야 |
에너지저장.변환_포스터 |
| 제목 |
Sulfur tolerance effects of Ce0.8Sm0.2O2-δ modified Sr0.92Y0.08Ti1-xNixO3-δ anode in solid oxide fuel cells |
| 초록 |
Yttrium and nickel co-doped strontium titanium oxide, Sr0.92Y0.08Ti1-xNixO3-δ (SYTN), with perovskite structure has been investigated as an alternative anode material to utilize sulfur containing fuels for solid oxide fuel cells (SOFCs). To improve the ionic conductivity of the Sr0.92Y0.08TiO3-δ (SYT) anode, Ni2+ was substituted by the B-site (initially occupied by Ti4+), thereby forming oxygen vacancies. Electrochemical characteristics of the SYTN anode were measured in the various conditions of H2S concentration (0 ~ 500 ppm). In addition, thin film (10~20 nm) of Ce0.8Sm0.2O2-δ (SDC) was coated on the anode pore wall surface with sol-gel coating method in order to enhance the sulfur tolerances of the SYTN anode. We monitored the sulphur poisoning process under a constant current (0.1 A•cm–2) for 100 h at various H2S concentrations. |
| 저자 |
김준호1, 장근영1, 김희수2, 박상균2, 박유영1, 성정현1, 윤정우1
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| 소속 |
1전남대, 2한국건설기계부품(연) |
| 키워드 |
Sr0.92Y0.08Ti1-xNixO3-δ; H2S poisoning; alternative anode; perovskite; Ce0.8Sm0.2O2 modification
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| E-Mail |
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