Effects of NiO/GDC Ratios and Additives on Electrical Properties of SOFC Anodes

被引：5
|
作者：
Ayawanna, Jiratchaya [1 ]
Wattanasiriwech, Darunee [1 ]
Wattanasiriwech, Suthee [1 ]
Sato, Kazunori [2 ]
机构：
[1] Mae Fah Luang Univ, Dept Mat Sci, Muang, Chiang Rai, Thailand
[2] Nagaoka Univ Technol, Dept Environm Engn, Nagaoka, Niigata 9402188, Japan
来源：
MATERIALS AND MANUFACTURING PROCESSES | 2014年 / 29卷 / 07期
关键词：
1,3-propanediol; Additives; Anode; Electrical; Electrochemical; Microstructure; Nickel; SOFC; ELECTROLYTE;
D O I：
10.1080/10426914.2013.864395
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Ni/Gd-doped CeO2 (Ni-GDC) cermet is employed as a solid oxide fuel cell anode operating at 800 degrees C. The single cells are a Ni-GDC/YSZ/LSM-YSZ structure. A novel plasticizer, 1,3-propanediol, is introduced into the fabrication process along with the use of the conventional organic binder PVB. Effects of anode compositions, 50% and 60% NiO, and additive types (PVB/PPD and PVB/PEG) on microstructure and electrical conductivity are compared. The results show that a more uniformity grain and pore distribution in the anode and a suitable additive enhances electrical conductivity. An improvement of cell performance with reduced total internal resistance is also observed.
引用
收藏
页码：767 / 770
页数：4
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