Fuel cell system having improved humidification performance and driving temperature

摘要

PURPOSE: A fuel cell system is provided to prevent dry-out of an anode inlet and to improve the performance of a fuel cell stack by supplying hot and humid hydrogen to an anode through heat exchange of heating source materials and a mixture of new hydrogen and water. CONSTITUTION: In a fuel cell system, new hydrogen supplied from a hydrogen supply system and a recycled exhaust hydrogen discharged from a fuel cell stack(10) to an anode inlet of the stack. The fuel cell system is configured to increase the temperature of new hydrogen through heat exchange of heating source materials and a new hydrogen since a heat exchanger(20) for heating new hydrogen supplied to the anode.