连续非水电泳制备阳极支撑微管固体氧化物燃料电池的表征

IF 1.7 4区材料科学 Q2 MATERIALS SCIENCE, CERAMICS Journal of Electroceramics Pub Date : 2021-10-25 DOI:10.1007/s10832-021-00272-5

R. Kherad, S. Dodangei, S. H. Mussavi Rizi, M. Ghatee

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引用次数: 2

摘要

在本研究中，采用连续电泳沉积(EPD)在非水溶剂中制备了微管固体氧化物燃料电池(mtsofcs)。首先，制备了YSZ(电解质)、Ni/YSZ(阳极)和LSM(阴极)在异丙醇中的稳定悬浊液。在不同电压和时间下对石墨棒进行EPD。确定了制备多孔电极和致密电解质层的合适EPD条件。在900℃下加热分解石墨棒，在1350℃空气中烧结得到管状薄膜。利用扫描电镜分析了烧结试样的显微组织。采用电化学阻抗谱法研究了SOFC的性能。通过连续的EPD可以得到内径为0.7 mm的MT-SOFC。850℃时，电池的最大功率密度为0.25 W/cm2。

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Characterization of anode supported micro-tubular solid oxide fuel cells prepared by successive non-aqueous electrophoretic deposition

In this study, micro-tubular solid oxide fuel cells (MT–SOFCs) were manufactured by successive electrophoretic deposition (EPD) in non-aqueous solvent. At first, stable suspensions of YSZ (Electrolyte), Ni/YSZ (anode) and LSM (cathode) in isopropanol were prepared. The EPD was performed on graphite rods under various voltages and times. The proper EPD condition was determined to prepare porous electrodes and dense electrolyte layers. The graphite rod was decomposed by heating at 900˚C and the resulting tubular thin films were sintered in air at 1350˚C. The microstructure of the sintered samples was studied by SEM analysis. The performance of the SOFC was investigated by electrochemical impedance spectroscopy. It was found that MT–SOFC with an internal diameter of 0.7 mm can be obtained via successive EPD. The maximum power density of the cell was 0.25 W/cm²at 850˚C.

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来源期刊

Journal of Electroceramics 工程技术-材料科学：硅酸盐

CiteScore

2.80

自引率

5.90%

发文量

审稿时长

5.7 months

期刊介绍： While ceramics have traditionally been admired for their mechanical, chemical and thermal stability, their unique electrical, optical and magnetic properties have become of increasing importance in many key technologies including communications, energy conversion and storage, electronics and automation. Electroceramics benefit greatly from their versatility in properties including: -insulating to metallic and fast ion conductivity -piezo-, ferro-, and pyro-electricity -electro- and nonlinear optical properties -feromagnetism. When combined with thermal, mechanical, and chemical stability, these properties often render them the materials of choice. The Journal of Electroceramics is dedicated to providing a forum of discussion cutting across issues in electrical, optical, and magnetic ceramics. Driven by the need for miniaturization, cost, and enhanced functionality, the field of electroceramics is growing rapidly in many new directions. The Journal encourages discussions of resultant trends concerning silicon-electroceramic integration, nanotechnology, ceramic-polymer composites, grain boundary and defect engineering, etc.