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首页> 美国卫生研究院文献>Materials >Novel Composite Electrolytes of Zr0.92Y0.08O2-α(8YSZ)-Low Melting Point Glass Powder for Intermediate Temperature Solid Oxide Fuel Cells
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Novel Composite Electrolytes of Zr0.92Y0.08O2-α(8YSZ)-Low Melting Point Glass Powder for Intermediate Temperature Solid Oxide Fuel Cells

机译：用于中温固体氧化物燃料电池的Zr0.92Y0.08O2-α（8YSZ）-低熔点玻璃粉的新型复合电解质

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In this study, Zr0.92Y0.08O2-α(8YSZ) powders were synthesized by the sol-gel method. The chemical physics changes and phase formation temperature of 8YSZ crystal were determined by thermogravimetry analysis and differential scanning calorimetry (TGA-DSC). 8YSZ-low melting point glass powder (8YSZ-glass) composite electrolytes with various weight ratios were prepared and calcined at different temperatures. The X-ray diffraction (XRD) patterns of the composite electrolytes were tested. The effects of synthesis temperature, weight ratio, test temperature, and oxygen partial pressure on the conductivities of 8YSZ-glass composite electrolytes, were also investigated at 400–800 °C. The result of the logσ ~ log(pO2) plot indicates that the 8YSZ-20% glass (700 °C) is almost a pure ionic conductor. The oxygen concentration discharge cell illustrates that the 8YSZ-20% glass (700 °C) composite electrolyte is a good oxygen ion conductor.
机译：本研究采用溶胶-凝胶法合成了Zr0.92Y0.08O2-α（8YSZ）粉末。通过热重分析和差示扫描量热法（TGA-DSC）确定了8YSZ晶体的化学物理变化和相形成温度。制备了各种重量比的8YSZ-低熔点玻璃粉（8YSZ-玻璃）复合电解质，并在不同温度下煅烧。测试了复合电解质的X射线衍射（XRD）图。还研究了在400–800°C下合成温度，重量比，测试温度和氧分压对8YSZ-玻璃复合电解质电导率的影响。 logσ〜log（pO2）图的结果表明8YSZ-20％玻璃（700°C）几乎是纯离子导体。氧气浓度放电池说明8YSZ-20％玻璃（700°C）复合电解质是一种良好的氧离子导体。

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