| 简介 |
An intermediate layer (4) containing CeO2with which a rare earth element (excluding Ce) forms a solid solution and a first electrode layer (1) are disposed in this order on a surface on one side of a solid electrolyte layer (9) containing Zr, and a second electrode layer (7) is disposed on a surface on another side opposite the surface of the one side of the solid electrolyte layer (9). The intermediate layer (4) includes a first layer (4a) located closer to the solid electrolyte layer (9) and a second layer (4b) disposed on the first layer (4a) and located closer to the first electrode layer (1), and a concentration of the rare earth element of the first layer (4a) is greater than a concentration of the rare earth element of the second layer (4b). |
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