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Residual stress mapping in the zirconia electrolyte layer of a high-temperature solid oxide fuel cell

机译:高温固体氧化物燃料电池氧化锆电解质层中的残余应力映射

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摘要

X-ray residual stress evaluation has been employed to measure stress distributions in the electrolyte layer of a single anode-supported planar solid oxide fuel cell at several manufacturing steps. The mainly thermal residual stress in the about 10 μm thick electrolyte layer is about -560 MPa at room temperature and constant across the whole cell plate. Chemical reduction of the anode leads to a slight reduction of the compressive stress to -520 MPa, still ensuring that the electrolyte layer remains under compression up to operation temperature of about 800℃.
机译:X射线残余应力评估已用于在多个制造步骤中测量单个阳极支撑的平面固体氧化物燃料电池的电解质层中的应力分布。约10μm厚的电解质层中的主要热残余应力在室温下约为-560 MPa,并且在整个电池板上均保持恒定。阳极的化学还原导致压缩应力略微降低至-520 MPa,仍确保电解质层在高达约800℃的工作温度下仍保持压缩状态。

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