Fuel cell stack having improved cooling structure

Details Fuel cell stack having improved cooling structure Fuel cell stack having improved cooling structure

2011-02-01

2011-02-01

Yuan, Dah-Wei (Department: 1795)

Chemistry: electrical current producing apparatus, product, and

Fuel cell, subcombination thereof, or method of making or...

Grouping of fuel cells into stack or module

C429S456000, C429S434000, C429S433000

Reexamination Certificate

active

07879504

ABSTRACT:
A fuel cell stack that includes at least one electricity generator generating electric energy through an electrochemical reaction between hydrogen and oxygen and a cooling system are provided. The electricity generator includes a membrane-electrode assembly, separators on both sides of the membrane-electrode assembly, and cooling channels placed approximately parallel to a first direction of the membrane-electrode assembly, where a coolant flows through the cooling channels, and where the cooling channels have different distribution densities in a direction perpendicular to the first direction of the membrane-electrode assembly.

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