Properties of supported-anode Ni-YSZ for planar solid oxide fuel cell prepared by different reduction processes

被引：0
作者：
Wang, Feng [1 ]
Miao, Fuxing [2 ]
Guan, Wanbing [1 ]
机构：
[1] Ningbo Institute of Industrial Technology, Chinese Academy of Sciences, Ningbo, 315201, Zhejiang
[2] School of Mechanical Engineering and Mechanics, Ningbo University, Ningbo, 315201, Zhejiang
来源：
Kuei Suan Jen Hsueh Pao/Journal of the Chinese Ceramic Society | 2015年 / 43卷 / 05期
关键词：
Mechanical property; Microstructure; Nickel-yttrium-stabilized zirconium; Porosity; Reduction temperature; Supported-anode;
D O I：
10.14062/j.issn.0454-5648.2015.05.14
中图分类号：
学科分类号：
摘要：
The properties of support-anode of Ni-YSZ reduced at isothermal and increasing temperatures were investigated. The results show that at < 600℃, the anodes exhibit the Ni agglomeration, the non-uniform microstructure and low bending strengths of 4.32 and 14.31 MPa when the reductions at isothermal and increasing temperatures occur, respectively. However, at >600℃, the anodes show the uniform microstructure, proper mechanical strengths of 14.92 and 56.63 MPa when the reductions at isothermal and increasing temperatures occur, respectively. The porosities of supported-anode firstly increase and then decrease with increasing the reduction temperature, and its maximum values appear at 700 and 400℃ for the reductions at isothermal and rising temperatures, respectively. Therefore, for both the reduction processes, the optimized reduction temperature for Ni-YSZ anode-supported SOFCs is not lower than 600℃. ©, 2015, Chinese Ceramic Society. All right reserved.
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页码：650 / 656
页数：6
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