固体氧化物燃料电池是一种可持续、环保和高效的能量转换装置,其中低温化的发展趋势要求电解质材料在较低温度下具有高离子电导率和良好的稳定性。电解质材料是固体氧化物燃料电池最重要的组成部件之一,应具备高离子电导率、高致密性和稳定性好等性能。钇稳定氧化锆是研究最早的电解质材料,萤石结构的氧化铈基电解质材料因在中温范围内具有较高的离子电导率,被认为是钇稳定氧化锆的理想替代者。结合近年来氧化铈基电解质材料的研究现状,综述了元素掺杂和第二相材料复合2种优化策略下氧化铈基电解质材料的研究进展。
Solid oxide fuel cell is a sustainable,environmentally friendly and efficient energy conversion device.Its development trend of low-temperature requires the electrolyte materials have high ionic conductivity and good stability at lower temperature.Electrolyte materials are one of the most important components of solid oxide fuel cell.They should possess high ionic conductivity,high density and good stability.Yttrium-stabilized zirconia (YSZ) is the earliest electrolyte material,while CeO2-based electrolyte materials with fluorite structure are considered as ideal substitutes for YSZ because of their higher ionic conductivity in the middle temperature range.In this paper,combined with the current research status of ceria-based electrolyte materials in recent years,the research progress of CeO2-based electrolyte materials under two optimization strategies:element doping and second-phase composite,was reviewed.
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基金资助
安徽省高校科学研究重点项目(2024AH051532)
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