Effect of nano-pinholes within ceramic electrolytes of thin-film solid oxide fuel cells
Effect of nano-pinholes within ceramic electrolytes of thin-film solid oxide fuel cells
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薄膜固体氧化物燃料电池陶瓷电解质中纳米针孔的影响
DOI：
10.1016/j.jiec.2019.03.008
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发表时间：
2019
影响因子：
6.1
通讯作者：
Ikwhang Chang
中科院分区：
文献类型：
--
作者：
Taehyun Park;Yeageun Lee;S. Cha;Ikwhang Chang
研究了陶瓷电解质（氧化钇稳定氧化锆）中纳米针孔对薄膜固体氧化物燃料电池（SOFC）性能的影响。因此，薄膜SOFC的开路电压不受针孔的存在和尺寸的严重影响。然而，如果阴极沉积在针孔上，针孔在阳极和阴极之间引起临界电短路。因此，纳米尺寸的针孔不会显著引起燃料交叉或严重降低性能。然而，这可能会显著降低薄膜SOFC的普通制造步骤（即，在电解质上沉积薄膜阴极）期间的性能，特别是对于较大的针孔。
The effect of nano-pinholes in the ceramic electrolyte (yttria-stabilized zirconia) on the performance of a thin-film solid oxide fuel cell (SOFC) is investigated. As a result, the open-circuit voltage of the thin-film SOFC was not severely affected by the existence and the size of a pinhole. However, the pinhole induced a critical electrical shortage between the anode and cathode if the cathode was deposited onto the pinhole. Thus, a nano-sized pinhole does not significantly induce fuel crossover or critically reduce the performance. It could, however, reduce the performance significantly during the common fabrication step, i.e. deposition of thin-film cathode on an electrolyte, of a thin-film SOFC, especially for larger pinholes.