Control and heating of fuel cell stack coolant thermal mass

Control and heating of fuel cell stack coolant thermal mass

A fuel cell system is includes a fuel cell stack with a cooling line arrangement configured to pass coolant through the stack, a pump configured to move the coolant through the arrangement, and at least one controller. The controller is programmed to, in response to a start-up event for the stack at...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser: WILLIAM F. SANDERSON, CRAIG MICHAEL MATHIE, BRIAN GILLESPEY
Format: Patent
Sprache:eng
Schlagworte:
BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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Beschreibung
Zusammenfassung:A fuel cell system is includes a fuel cell stack with a cooling line arrangement configured to pass coolant through the stack, a pump configured to move the coolant through the arrangement, and at least one controller. The controller is programmed to, in response to a start-up event for the stack at an ambient temperature less than a first threshold value, initiate operation of the stack and to prevent activation of the pump in order to promote static flow conditions within the arrangement.