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稀薄燃料气氛下中空全对称双阴极SOFC的电化学特性
作者:卜瑶1 2 官万兵2 刘武2 王建新2 裴文利1 杨钧2 HuangKevin3 仲政4 
单位:1. 东北大学材料科学与工程学院 沈阳110819  2. 中国科学院宁波材料技术与工程研究所 浙江 宁波 315201  3. Department of Mechanical Engineering University of South Carolina South Carolina 29208  4. 哈尔滨工业大学深圳理学院 广东 深圳 518055 
关键词:阳极金属 中空对称 双阴极 固体氧化物燃料电池 
分类号:TM911.47
出版年,卷(期):页码:2018,46(6):0-0
DOI:10.14062/j.issn.0454-5648.2018.06.18
摘要:

 制作了LSCF/GDC/8YSZ/NiO?8YSZ/NiO?3YSZ/NiO?8YSZ/8YSZ/GDC/LSCF中空全对称双阴极阳极支撑平板式固体氧化物燃料电池(SOFC),研究了其在稀薄燃料气氛下的电化学特性。结果表明:该结构电池在稀薄燃料气氛下稳定循环放电11次后依然保持稳定,在纯N2气氛下电池的最大输出功率密度可达8.79 mW/cm2。该结构电池中Ni与NiO所形成的氧化还原不仅对电池性能无影响,并且还能够作为储能媒介,为后续发展以电池阳极金属作为储能介质的高温固态电池提供了可能。

 A hollow-symmetrical anode-supported planar SOFC based on double-sided cathodes of LSCF/GDC/8YSZ/NiO?8YSZ/ NiO?3YSZ/NiO?8YSZ/8YSZ/GDC/LSCF was prepared, and its electrochemical properties under rarefied fuel atmosphere was investigated. The results show that no significant degaradation of the cell performance was observed after 11 cycles of discharge tests under rarefied fuel atmosphere. Moreover, a maximum output power density of 8.79 mW/cm2 was obtained under N2. These results indicate that the cell structure has strong resistance to the damage caused by the redox cycle of Ni/NiO. Furthermore, the cell performance for N2 supply to the anode implies a possibility that the Ni/NiO redox couple can be used as an energy storage medium at high temperature, which makes it possible to develop a novel high-temperature solid battery using metal in the cell anode.

基金项目:
国家自然科学基金(51502316);浙江省公益基金(2017C31084);宁波市自然基金(2017A610028)资助
作者简介:
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