Fabrication and testing of coplanar single-chamber micro solid oxide fuel cells with geometrically complex electrodes

Fabrication and testing of coplanar single-chamber micro solid oxide fuel cells with geometrically complex electrodes
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DOI:
10.1016/j.jpowsour.2007.11.013
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发表时间:
2008-02-15
影响因子:
9.2
通讯作者:
Vengallatore, Srikar
Vengallatore, Srikar
中科院分区:
工程技术2区
文献类型:
--
作者:
Kuhn, Melanie;Napporn, Teko;Vengallatore, Srikar

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共面单室微型固体氧化物燃料电池(SC-mu SOFC)与任意复杂的二维几何形状的曲线微电极配置的直写微制造技术,使用传统的燃料电池材料制造。两种具有不同电极形状但电极和电极间尺寸相当的SC-mu SOFC的电化学性能在甲烷-空气混合物中在700 ℃下表征。两种电池都表现出稳定的开路电压和峰值功率密度分别为0.9 V和2.3 mW cm(-2),表明电极形状对这些燃料电池的性能没有显着影响。(c)2007 Elsevier B. V.保留所有权利。
Coplanar single-chamber micro solid oxide fuel cells (SC-mu SOFCs) with curvilinear microelectrode configurations of arbitrarily complex two-dimensional geometry were fabricated by a direct-write microfabrication technique using conventional fuel cell materials. The electrochemical performance of two SC-mu SOFCs with different electrode shapes, but comparable electrode and inter-electrode dimensions, was characterized in a methane-air mixture at 700 degrees C. Both cells exhibited stable open circuit voltage and peak power density of 0.9 V and 2.3 mW cm(-2), respectively, indicating that electrode shape did not have a significant influence on the performance of these fuel cells. (c) 2007 Elsevier B.V. All rights reserved.