METHOD FOR REDUCING TEMPERATURE PEAKS IN A FUEL CELL WITH A TWO PHASE COOLING SYSTEM

DRIVE December 10, 2025
Source
A method (100) and a system (10) for reducing temperature peaks during the starting of a fuel cell (12) with a two-phase cooling system are provided, comprising the following steps: Setting (102) a saturation pressure of a coolant, via a pressure control module (14), to a first saturation pressure, such that a maximum temperature of a coolant induced by boiling hysteresis is below a maximum operating temperature of the fuel cell; Starting (104) the fuel cell; in response to the maximum temperature of the coolant induced by boiling hysteresis being exceeded, Setting (106) the saturation pressure of the coolant, via the pressure control module (14), to a second saturation pressure, wherein the second saturation pressure is higher than the first saturation pressure.

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