Fuel cell stack with water removal projections at air outlets

Details Fuel cell stack with water removal projections at air outlets Fuel cell stack with water removal projections at air outlets

2007-03-29

2010-11-02

Yuan, Dah-Wei D (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

C429S524000

Reexamination Certificate

active

07824818

ABSTRACT:
In a fuel cell stack that is made by stacking unit cells in alternation with separators, lower edges of collector members that are in contact with oxygen electrodes of the unit cells project downward, providing projecting portions that project below lower edges of frames. Water-repellent regions are provided on lower edges of the projecting portions, facilitating shedding of water from the projecting portions.

REFERENCES:
patent: 6083638 (2000-07-01), Taniguchi et al.
patent: 2005/0164071 (2005-07-01), Horiguchi
patent: 2004-031175 (2004-01-01), None

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