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首页> 外文期刊>Journal of power sources >Fabrication and characterization of metal-supported solid oxide fuel cells
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Fabrication and characterization of metal-supported solid oxide fuel cells

机译：金属负载固体氧化物燃料电池的制备与表征

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摘要

Metal-supported solid oxide fuel cells (SOFCs) are an acceptable approach to solving the serious problems of SOFC technology, such as sealing and mechanical strength. In this work, commercial stainless-steel plates, STS430, are used as supporting bodies for a metal-supported SOFC in order to decrease the number of fabrication steps. The metal support for a single-cell has a diameter of 28 mm, a thickness of 1 mm, and a channel width of 0.4 mm. A thin ceramic layer, composed of yttria-stabilized zirconia (YSZ) and NiO/YSZ, is attached to the metal support by using a cermet adhesive. La_(0.8)Sr_(0.2)Co_(0.4)Mn_(0.6)O_3 perovskite oxide serves as the cathode material because of its low impedance on the YSZ electrolyte, according to half-cell tests. The maximum power density of the cell is 0.09 W cm~(-2) at 800 ℃. The effects of temperature, oxygen partial pressure, and current collection by pastes are investigated. The oxygen reduction reaction at the cathode dominates the overall cell performance, according to experimental and numerical analyses.
机译：金属支撑的固体氧化物燃料电池（SOFC）是解决SOFC技术严重问题（例如密封性和机械强度）的可接受方法。在这项工作中，商用不锈钢板STS430用作金属支撑SOFC的支撑体，以减少制造步骤。用于单电池的金属支架的直径为28毫米，厚度为1毫米，通道宽度为0.4毫米。通过使用金属陶瓷粘合剂，将由氧化钇稳定的氧化锆（YSZ）和NiO / YSZ组成的薄陶瓷层附着到金属支架上。根据半电池测试，La_（0.8）Sr_（0.2）Co_（0.4）Mn_（0.6）O_3钙钛矿氧化物由于其在YSZ电解质上的低阻抗而用作阴极材料。电池在800℃时的最大功率密度为0.09 W cm〜（-2）。研究了温度，氧气分压和糊料收集电流的影响。根据实验和数值分析，阴极处的氧还原反应控制着整个电池的性能。

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