In Situ Surface Modification of Ni-YSZ with BaZrO3 for Enhancing the Sulfur Tolerance of Ni-YSZ Anode

被引：6

作者：

Kwon, Ohhun ^{[1
]}

Sengodan, Sivaprakash ^{[1
]}

Lim, Chaehyun ^{[1
]}

Jeong, Hu Young ^{[2
,3
]}

Shin, Jeeyoung ^{[4
]}

Ju, Young-Wan ^{[1
]}

Kim, Guntae ^{[1
]}

机构：

[1] UNIST, Dept Energy Engn, Ulsan 44919, South Korea

[2] UNIST, UNIST Cent Res Facil, Ulsan 44919, South Korea

[3] UNIST, Sch Mat Sci & Engn, Ulsan 44919, South Korea

[4] Dong Eui Univ, Dept Mech Engn, Busan 47340, South Korea

来源：

JOURNAL OF THE ELECTROCHEMICAL SOCIETY | 2016年 / 163卷 / 09期

关键词：

OXIDE FUEL-CELLS; DOUBLE-PEROVSKITE; PERFORMANCE; ELECTRODES; OXIDATION; CATALYST; COKING;

D O I：

10.1149/2.0651609jes

中图分类号：

O646 [电化学、电解、磁化学];

学科分类号：

081704 ;

摘要：

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 H-2 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 H-2 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. (C) 2016 The Electrochemical Society. All rights reserved.

引用

页码：F1055 / F1058

页数：4

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