| 简介 |
In some examples, a fuel cell comprising an anode; an electrolyte; cathode barrier layer; and a nickelate composite cathode separated from the electrolyte by the cathode barrier layer; and a cathode current collector layer. The nickelate composite cathode includes a nickelate compound and an ionic conductive material, and the nickelate compound comprises at least one of Pr2NiO4, Nd2NiO4, (PruNdv)2NiO4, (PruNdv)3Ni2O7, (PruNdv)4Ni3O10, or (PruNdvMw)2NiO4, where M is an alkaline earth metal doped on an A—site of Pr and Nd. The ionic conductive material comprises a first co-doped ceria with a general formula of (AxBy)Ce1−x−yO2, where A and B of the first co-doped ceria are rare earth metals. The cathode barrier layer comprises a second co-doped ceria with a general formula (AxBy)Ce1−x−yO2, where at least one of A or B of the second co-doped ceria is Pr or Nd. |
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