A fuel cell module comprising: a fuel cell stack for generating electricity by electrochemical reactions of a fuel gas and an oxygen- containing gas; a partial oxidation reformer for reforming a mixed gas of an oxygen-containing gas and a raw fuel chiefly containing hydrocarbon to produce the fuel gas, and supplying the fuel gas to the fuel cell stack; an exhaust gas combustor for combusting the fuel gas discharged from the fuel cell stack as a fuel exhaust gas and the oxygen-containing gas discharged from the fuel cell stack as an oxygen-containing exhaust gas to produce a combustion gas; and a heat exchanger for raising a temperature of the oxygen-containing gas by heat exchange with the combustion gas, and supplying the oxygen-containing gas to the fuel cell stack; wherein the heat exchanger is provided on one side of the fuel cell stack, and the partial oxidation reformer and the exhaust gas combustor are provided on the other side of the fuel cell stack; the partial oxidation reformer is provided around the exhaust gas combustor; and the fuel cell module includes a thermoelectric converter (76, 76a, 76b) for performing thermoelectric conversion based on a temperature difference between the combustion gas and the oxygen-containing gas, wherein the fuel cell module further comprises a combustion gas channel (74a to 74c) for supplying the combustion gas discharged from the exhaust gas combustor successively to the fuel cell stack and the heat exchanger; and an oxygen-containing gas channel for supplying the oxygen-containing gas to the heat exchanger and the partial oxidation reformer, wherein the thermoelectric converter (76a, 76b) is provided downstream of the heat exchanger in the combustion gas channel, and upstream of the heat exchanger and the partial oxidation reformer in the oxygen-containing gas channel. a fuel cell stack for generating electricity by electrochemical reactions of a fuel gas and an oxygen- containing gas; a partial oxidation reformer for reforming a mixed gas of an oxygen-containing gas and a raw fuel chiefly containing hydrocarbon to produce the fuel gas, and supplying the fuel gas to the fuel cell stack; an exhaust gas combustor for combusting the fuel gas discharged from the fuel cell stack as a fuel exhaust gas and the oxygen-containing gas discharged from the fuel cell stack as an oxygen-containing exhaust gas to produce a combustion gas; and a heat exchanger for raising a temperature of the oxygen-containing gas by heat exchange with the combustion gas, and supplying the oxygen-containing gas to the fuel cell stack; wherein the heat exchanger is provided on one side of the fuel cell stack, and the partial oxidation reformer and the exhaust gas combustor are provided on the other side of the fuel cell stack; the partial oxidation reformer is provided around the exhaust gas combustor; and the fuel cell module includes a thermoelectric converter (76, 76a, 76b) for performing thermoelectric conversion based on a temperature difference between the combustion gas and the oxygen-containing gas, wherein the fuel cell module further comprises a combustion gas channel (74a to 74c) for supplying the combustion gas discharged from the exhaust gas combustor successively to the fuel cell stack and the heat exchanger; and an oxygen-containing gas channel for supplying the oxygen-containing gas to the heat exchanger and the partial oxidation reformer, wherein the thermoelectric converter (76a, 76b) is provided downstream of the heat exchanger in the combustion gas channel, and upstream of the heat exchanger and the partial oxidation reformer in the oxygen-containing gas channel.