EVAPORATIVE EDGE COOLING OF A FUEL CELL

A method and apparatus for cooling an electrochemical fuel cell which comprises coolant channels extending along the edge of the fuel cell, adjace nt to the active area whereby the fuel cell is cooled by evaporating a liquid coolant in the coolant channels. The coolant may then be condensed and reci...

Ausführliche Beschreibung

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Bibliographische Detailangaben
Hauptverfasser:	ZIMMERMAN, JOERG, BARTHA, LESLIE, VANDERLEEDEN, OLEN R
Format:	Patent
Sprache:	eng ; fre
Schlagworte:	BASIC ELECTRIC ELEMENTS ELECTRICITY PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	A method and apparatus for cooling an electrochemical fuel cell which comprises coolant channels extending along the edge of the fuel cell, adjace nt to the active area whereby the fuel cell is cooled by evaporating a liquid coolant in the coolant channels. The coolant may then be condensed and recirculated through the coolant channels. Efficient cooling of the fuel cell may be enhanced by reducing the boiling point of the coolant by reducing the pressure across the coolant channels. 14