| 摘要 |
A fuel cell cooling system and a method of operating the fuel cell cooling system. The fuel cell cooling system has a first coolant circulation loop (100) for selectably supplying coolant to a fuel cell (10) and a second coolant circulation loop (200) for selectably supplying coolant to the fuel cell. The method comprises: (a) selectably connecting one of the first coolant circulation loop and the second coolant circulation loop to a coolant inlet (300) and a coolant outlet (400) of the fuel cell for fluid communication therewith; (b) selectably disconnecting the other of the first coolant circulation loop and the second coolant circulation loop from the coolant inlet and the coolant outlet of the fuel cell to impede fluid communication therewith; (c) when the first circulation loop is connected with the coolant inlet and the coolant outlet of the fuel cell for fluid communication therewith, providing a positive pressure to coolant in the first coolant circulation loop upstream from the coolant inlet of the fuel cell; and (d) when the second circulation loop is connected with the coolant inlet and the coolant outlet of the fuel cell for fluid communication therewith, providing a negative pressure to coolant in the second coolant circulation loop downstream from the coolant outlet of the fuel cell. |
