To provide a fuel battery cell, and a cell stack as well as a fuel battery, capable of making an inner resistance in an electrode small and making an effective use of gas passing through a gas through-hole in an inner electrode.

A fuel side electrode 21 with a gas through-hole formed in an axis length direction, a solid electrolyte 23 formed on the surface of that inner electrode 21, and an oxygen side electrode 25 formed on the surface of the solid electrolyte 23 are provided, and further, a plurality of conductive columnar bodies 29 for coupling opposing inner faces of the inner electrode are fitted inside the gas through-hole 28 of the inner electrode.

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