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首页> 外文期刊>Electrochimica Acta >Performance of XSCoF (X = Ba, La and Sm) and LSCrX' (X' = Mn, Fe and Al) perovskite-structure materials on LSGM electrolyte for IT-SOFC
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Performance of XSCoF (X = Ba, La and Sm) and LSCrX' (X' = Mn, Fe and Al) perovskite-structure materials on LSGM electrolyte for IT-SOFC

机译：XSCoF（X = Ba，La和Sm）和LSCrX'（X'= Mn，Fe和Al）钙钛矿结构材料在用于IT-SOFC的LSGM电解质上的性能

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X{sub}0.5Sr{sub}0.5Co{sub}0.8Fe{sub}0.2O{sub}(3-δ) (X = Ba, La and Sm) and La{sub}0.75Sr{sub}0.25Cr{sub}0.5X'{sub}0.5O{sub}(3-δ) (X' =Mn, Fe and Al) mixed ionic-electronic conducting perovskite-based oxides have been tested as SOFC electrode materials on La{sub}0.9Sr{sub}0.1Ga{sub}0.8Mg{sub}0.2O{sub}2.85 (LSGM) electrolytes under different atmospheres (air, oxygen, argon and dry and wet 5% H{sub}2/Ar) and the area-specific resistances (ASR) were compared. Ba{sub}0.5Sr{sub}0.5Co{sub}0.8Fe{sub}0.2O{sub}(3-δ) (BSCoF) possesses the lowest ASR values in air (0.04 Ω cm{sup}2 at 1073 K) whilst La{sub}0.75Sr{sub}0.25Cr{sub}0.5Mn{sub}0.5O{sub}(3-δ) (LSCrM) possesses the lowest ASR values in wet 5% H{sub}2/Ar (0.28 Ω cm{sup}2 at 1073 K). In addition, fuel cell tests were carried out using wet 5% H{sub}2/Ar as fuel and air as oxidant. The maximum power density (～123 mW cm{sup}(-2)) at 1073 K was reached with the electrolyte-supported system BSCoF/LSGM/LSCrM (～1.5 mm electrolyte thickness). Furthermore, LSCrX' materials were used simultaneously as cathode and anode in fuel cell tests and the symmetric system LSCrM/LSGM/LSCrM (～1.5 mm electrolyte thickness) reached a maximum power density of ～54 mW cm{sup}(-2) at 1073 K.
机译：X {sub} 0.5Sr {sub} 0.5Co {sub} 0.8Fe {sub} 0.2O {sub}（3-δ）（X = Ba，La和Sm）和La {sub} 0.75Sr {sub} 0.25Cr {sub} 0.5X'{sub} 0.5O {sub}（3-δ）（X'= Mn，Fe和Al）混合离子电子导电钙钛矿基氧化物已在La {sub}上作为SOFC电极材料进行了测试0.9Sr {sub} 0.1Ga {sub} 0.8Mg {sub} 0.2O {sub} 2.85（LSGM）电解质在不同的气氛（空气，氧气，氩气和5％干燥和湿润H {sub} 2 / Ar）和比较了面积比电阻（ASR）。 Ba {sub} 0.5Sr {sub} 0.5Co {sub} 0.8Fe {sub} 0.2O {sub}（3-δ）（BSCoF）在1073 K时空气中的ASR值最低（0.04Ωcm {sup} 2 ），而La {sub} 0.75Sr {sub} 0.25Cr {sub} 0.5Mn {sub} 0.5O {sub}（3-δ）（LSCrM）在5％湿H {sub} 2 / Ar中具有最低的ASR值（在1073 K时为0.28Ωcm {sup} 2）。此外，使用湿的5％H {sub} 2 / Ar作为燃料和空气作为氧化剂进行了燃料电池测试。电解质支持的系统BSCoF / LSGM / LSCrM（电解质厚度约为1.5 mm）在1073 K时达到了最大功率密度（〜123 mW cm {sup}（-2））。此外，在燃料电池测试中，同时使用LSCrX'材料作为正极和负极，对称系统LSCrM / LSGM / LSCrM（约1.5 mm电解质厚度）在60℃时达到最大功率密度约54 mW cm {sup}（-2）。 1073千。

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