构建了氧电极材料分别为(La,Sr)MnO3/YSZ(LSM/YSZ)和La0.6Sr0.4Co0.2Fe0.8O3-δ(LSCF)的固体氧化物电解池(SOEC).在750℃、电流密度为0.25A/cm2的SOEC模式下,分别对两种类型的SOEC进行了约110h的电解实验.结果表明,LSM/YSZ可能是较好的SOEC氧电极材料.依据电化学表现、XRD和微观结构,阐述了两种类型SOEC氧电极性能表现的可能机理.
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