Engine for propelling an aircraft and aircraft having at least one engine and at least one hydrogen tank

An aircraft, comprising at least one engine and at least one hydrogen tank for supplying the at least one engine with hydrogen, the at least one engine comprising:

• a fuel cell arrangement having at least one fuel cell unit;
• at least one electric motor couplable to the fuel cell arrangement;
• at least one first fan couplable to the at least one electric motor;
• and
• an outermost cowling having an inlet and an outlet nozzle,
• wherein the fuel cell arrangement is positioned at an inner surface of the outermost cowling, said inner surface defining a flow duct of the at least one first fan,
• said fuel cell arrangement configured to receive a portion of an airflow generated by the at least one first fan in said flow duct,
• wherein the at least one first fan is arranged between the inlet and the fuel cell arrangement inside the outermost cowling,
• wherein the at least one electric motor is operable under consumption of electric power delivered by the fuel cell arrangement, and
• wherein the at least one first fan is configured to produce a thrust force by creating an accelerated airflow at the outlet nozzle.