Methods and apparatuses for managing fluids in a fuel cell...

Details Methods and apparatuses for managing fluids in a fuel cell... Methods and apparatuses for managing fluids in a fuel cell...

2005-05-10

2005-05-10

Le, Hoa Van (Department: 1752)

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

C429S010000, C429S006000, C429S006000, C429S006000, C429S006000

Reexamination Certificate

active

06890674

ABSTRACT:
A fuel cell system including an anode chamber having a fuel mixture comprising methanol and water, and a diffusion layer, a fuel source in fluid communication with the anode chamber via a conduit, a cathode chamber having a cathode and a diffusion layer, wherein the diffusion layer is in fluid communication with an oxidizer, and a proton conducting, electrical non-conducting membrane electrolyte separating the chambers and positioned substantially adjacent to said diffusion layers. The membrane includes a catalyst exposed to each of the chambers for initiating chemical reactions to produce electricity. The system also includes a first valve for automatically controlling a flow of fuel from the fuel supply cartridge, where the first valve includes a shape memory alloy.

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