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Kim, Guntae
GUNS Lab
Research Interests
  • Solid Oxide Fuel Cells (SOFCs)& SOE, metal-air batteries, ceramic membranes, PEMFC

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In situ surface modification of Ni-YSZ with BaZrO3 for enhancing the sulfur tolerance of Ni-YSZ anode

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Title
In situ surface modification of Ni-YSZ with BaZrO3 for enhancing the sulfur tolerance of Ni-YSZ anode
Author
Kwon, OhhunSengodan, SLim, ChaehyunJeong, Hu YoungShin, JeeyoungJu, Young-WanKim, Guntae
Keywords
ceramic anode; fuel cells; sulfur tolerance; surface modification
Issue Date
201607
Publisher
ELECTROCHEMICAL SOC INC
Citation
JOURNAL OF THE ELECTROCHEMICAL SOCIETY, v.163, no.9, pp.F1055 - F1058
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. © 2016 The Electrochemical Society
URI
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DOI
http://dx.doi.org/10.1149/2.0651609jes
ISSN
0013-4651
Appears in Collections:
UCRF_Journal Papers
ECHE_Journal Papers

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