In Situ Surface Modification of Ni-YSZ with BaZrO3 for Enhancing the Sulfur Tolerance of Ni-YSZ Anode
- Authors
- Kwon, Ohhun; Sengodan, Sivaprakash; Lim, Chaehyun; Jeong, Hu Young; Shin, Jeeyoung; Ju, Young-Wan; Kim, Guntae
- Issue Date
- Jul-2016
- Publisher
- ELECTROCHEMICAL SOC INC
- Citation
- JOURNAL OF THE ELECTROCHEMICAL SOCIETY, v.163, no.9, pp F1055 - F1058
- Journal Title
- JOURNAL OF THE ELECTROCHEMICAL SOCIETY
- Volume
- 163
- Number
- 9
- Start Page
- F1055
- End Page
- F1058
- URI
- https://scholarworks.sookmyung.ac.kr/handle/2020.sw.sookmyung/3342
- DOI
- 10.1149/2.0651609jes
- ISSN
- 0013-4651
1945-7111
- Abstract
- In this work, we report on a BaZrO3 (BZO) modified NiO-YSZ anode fabricated by co-sintering of NiO-YSZ and BaCO3 for SOFCs. The BZO modified Ni-YSZ anode shows stable electrochemical performance in H2 fuel containing a high level of 100 ppm sulfur for more than 100 hours. On the other hand, an unmodified Ni-YSZ anode degrades significantly in 100 ppm sulfur containing H2 fuel. The obtained results demonstrate that the BZO in the Ni-YSZ is an excellent catalyst for enhancing the sulfur tolerance of the conventional Ni-YSZ anode. Moreover, the surface modification strategy is simple and cost-effective, and thereby can promote commercialization of Ni-YSZ anode supported cells.
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