CELL, CELL STACK DEVICE, MODULE, AND MODULE HOUSING DEVICE

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A cell (1) includes an element portion including a first electrode layer (3), a solid electrolyte layer (4) that contains Zr and that is located above the first electrode layer (3), an intermediate layer (8) that contains CeO2 containing a rare earth element other than Ce and that is located above the solid electrolyte layer (4), and a second electrode layer (5) located above the intermediate layer (8). The intermediate layer (8) includes a first intermediate layer (8a) and a second intermediate layer (8b) that contains Zr and Ce and that is located at at least a portion between the first intermediate layer (8a) and the solid electrolyte layer (4). In a plan view from the second electrode layer (5), the second intermediate layer (8b) located at an outer peripheral portion of the intermediate layer (8) includes a portion with a thickness greater than the second intermediate layer (8b) overlapping a center of the second electrode layer (5). A cell stack device (13), a module (11), and a module housing device (21) include a plurality of the cells (1).