Chemistry: electrical current producing apparatus – product – and – With pressure equalizing means for liquid immersion operation
Reexamination Certificate
2006-10-10
2006-10-10
Kalafut, Stephen J (Department: 1745)
Chemistry: electrical current producing apparatus, product, and
With pressure equalizing means for liquid immersion operation
C429S047000
Reexamination Certificate
active
07118822
ABSTRACT:
Disclosed herein are fuel cell systems and, more specifically, fuel cell electrode pair and stack assemblies and various methods relating thereto. In one embodiment, the present invention is directed to a fuel cell electrode pair assembly adapted for use with a fuel cell system, wherein the electrode pair assembly comprises an anode structure derived from a first silicon substrate and an opposing cathode structure derived from a second silicon substrate, wherein at least (i) the anode structure comprises one or more discrete anodic porous active regions disposed across a top surface, or (ii) the cathode structure comprises one or more discrete cathodic porous active regions disposed across a top surface, and wherein the anode structure and the cathode structure each have at least one adjoining support member made of silicon, one or more plastics, or one or more glasses, and wherein the at least one adjoining support member of the anode structure and the at least one adjoining support member of the cathode structure have interfacing surfaces that are bonded together with an optional interposing binding material and with at least one selectively positioned bond to thereby form a hermetic seal, wherein the at least one selectively positioned bond is selected from the group consisting of a silicon-metal eutectic-silicon bond, a silicon-frit-silicon bond, a silicon-metal-silicon microwave bond, a silicon-polymer adhesive-silicon bond, a silicon-polymer adhesive-plastic bond, a silicon-polymer adhesive-glass bond, or a silicon-glass anodic bond.
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Chung Vinh
Mallari Jonathan C.
Petrovic Slobodan
Snyder Suzanne M.
Kalafut Stephen J
Loop Thomas E.
Neah Power Systems, Inc.
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