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中空对称双阴极结构电池的高温抗氧化还原特性
作者:邹志文1 2  武2 3  龙1  钧2 王建新2 官万兵2 
单位:(1. 长江大学物理与光电工程学院 湖北 荆州434023 2. 中国科学院宁波材料技术与工程研究所 浙江 宁波315201 3. 上海大学 上海200444) 
关键词:电化学氧化 中空对称 双阴极 固体氧化物燃料电池 
分类号:TM911
出版年,卷(期):页码:2019,47(3):0-0
DOI:
摘要:

 研究了中空对称双阴极结构电池在燃料突然停止供应情况下的电化学行为及电池微观结构变化。结果表明:该结构电池在燃料气体停止供应后,阳极侧Ni被氧化0.44% (占支撑体总比例)时开路电压才开始下降,证实其抗氧化还原能力是传统超薄阳极支撑平板结构电池1.3~2.7倍,阳极结构中局部裂纹增多和严重团聚现象是造成电池结构破坏的主要原因。

  The electrochemical behavior and microstructural changes of the anode-supported solid oxide fuel cells based on double-sided cathodes under sudden interruption of fuel supply was investigated. The results show that the open circuit voltage of the cell decreases when ca. 0.44% of Ni (proportion of anode-supported weight) oxidizes after stopping the fuel supply, which is approximately1.3–2.1 times greater than that of the conventional ultra-thin anode-supported planar SOFCs. The increase of local cracks and the severe agglomeration of Ni in the anode structure can lead to the failure of the cell.

基金项目:
国家自然科学基金(51502316,51702333);中国科学院青年创新促进会优秀会员项目(2011217);浙江省公益基金(2017C31084);宁波市自然基金(2017A610028)。
作者简介:
参考文献:

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