Method and apparatus for gasketing a fuel cell

Details Method and apparatus for gasketing a fuel cell Method and apparatus for gasketing a fuel cell

2007-05-15

2007-05-15

Ryan, Patrick Joseph (Department: 1745)

Metal working

Method of mechanical manufacture

Electrical device making

C429S006000, C429S006000, C427S115000

Reexamination Certificate

active

10607609

ABSTRACT:
In a solid-oxide fuel cell assembly comprising a plurality of components having electrically-conductive mating surfaces therebetween, the surfaces are sealed by gasket elements that include first and second silver braze alloy layers and a dielectric layer, formed preferably of yttrium-stabilized zirconia (YSZ), disposed between the alloy layers. The alloy is capable of bonding to many ceramics, including YSZ, and is readily brazed to the oxide layer formed on many metals at elevated temperatures. Because the braze alloy is electrically conductive, a dielectric layer must be included to break conductivity in bonding applications where electrical insulation is required. YSZ functions as a reliable insulator and will not crystallize or fracture as do prior art glass insulators. The assembly is useful as an auxiliary power unit in a vehicle.

REFERENCES:
patent: 5750279 (1998-05-01), Carolan et al.
James Laramie and Andrew Dicks, Fuel Cell Systems Explained, 2003, John Wiley & Sons, p. 226.

Affiliated with

Also associated with

Rating

Method and apparatus for gasketing a fuel cell does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Method and apparatus for gasketing a fuel cell, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Method and apparatus for gasketing a fuel cell will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3788748