Cell units, the cell stack device, the cell units devices and modules

A cell unit, the cell stack device, to provide a cell unit devices and modules. A cell unit of Embodiment 1, the flow of and an inner electrode layer 9 and the solid oxide solid electrolyte layer 10 of the shape and the outer electrode layer 11, penetrating from one end to the other end along the longitudinal direction a cell stack 7 including a plurality of cells 2 of the columnar having a hole 13, to fix one end of the plurality of cells 2, a first manifold 3 for supplying steam to the circulation hole 13, a plurality of to fix the other end of the cell 2, and having a second manifold 5 for collecting the gas discharged from the communication holes 13. .FIELD 1