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

页码：767 / 770

页数：4

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