Paper-Fibres Used as a Pore-Former for Anode Substrate of Solid Oxide Fuel Cell

被引：15
作者：
Pan, W. -P. [1 ]
Lue, Z. [1 ]
Chen, K. -F. [1 ]
Zhu, X. -B. [1 ]
Huang, X. -Q. [1 ]
Zhang, Y. -H. [1 ]
Wei, B. [1 ]
Su, W. -H. [1 ,2 ]
机构：
[1] Harbin Inst Technol, Dept Phys, Ctr Condensed Matter Sci & Technol, Harbin 150080, Peoples R China
[2] Int Ctr Mat Phys, Shenyang 110015, Peoples R China
来源：
FUEL CELLS | 2011年 / 11卷 / 02期
基金：
中国国家自然科学基金;
关键词：
Cylindrical Pores; Gas Diffusion; Paper-Fibres; Pore-Former; SOFC; SUPPORTED YSZ FILMS; GAS-TRANSPORT; PERFORMANCE; FABRICATION; POLARIZATION; OXIDATION; MEMBRANES; ELECTRODE; ZIRCONIA;
D O I：
10.1002/fuce.201000135
中图分类号：
O646 [电化学、电解、磁化学];
学科分类号：
081704 ;
摘要：
Paper-fibres are studied for use as a pore-former to produce gas channels in the anode substrates of solid oxide fuel cells (SOFCs). These fibres produce cylindrical pores within the anode substrate, which are different from the pores formed by the conventional pore-formers such as wheat flour and graphite. The cylindrical pores make it easier to connect each other to form continuous pathways for rapid gas diffusion. Paper-fibres can create more open porosity than the same amount of flour. The application of the paper-fibres significantly improves the cell performance by enhancing the gas diffusion process. The anode-supported YSZ film cells with 5 wt.-% and 10 wt.-% paper-fibres exhibit maximum power densities of 0.72 and 1.06 W cm(-2), respectively, using hydrogen as fuel and ambient air as oxidant at 800 degrees C.
引用
收藏
页码：172 / 177
页数：6
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