Patent ID: 8383290
Filing Date: 2013-02-26
Classification: H01M,Y02E

Abstract:
1. A passive fuel cell assembly, which is designed to serve for a pump-less fuel cell system, no air pump, and no fuel pump, comprising; a plurality of bi-cell units, each bi-cell unit comprising; a first cell and a second cell, each cell including two electrodes, a passive anode,a passive cathode, and an ion permeable perfluorosulfonate membrane disposed therebetween; and a fuel container which comprises a housing defining a fuel chamber having a first open surface and a second open silence, said open surfaces being in a spaced apart relationship; wherein said plurality of bi-cell units is configured so that said first cell is disposed in contact with a first side of the fuel container so that an electrode of a first polarity (anode), of said first cell, is in fluid communication with the first open surface of said container, and the second cell is disposed in contact with a second side of the fuel container so that an electrode of a first polarity (anode), of said second cell, is in fluid communication with the second open surface of said container; and b) at least one passive oxidizer supply member which comprises a housing defining an oxidizer chamber having a first open surface and a second open surface, said open surfaces being in a spaced apart relationship; wherein the oxidizer chamber is designed to take air from four sides, each side having six air-inlets; said plurality of bi-cell units are disposed so that one of one said at least one oxidizer supply member is disposed between, and separates, two members of said plurality of bi-cell units such that the first open surface on each of said at least one oxidizer supply member is in passive fluid communication with an electrode of said second polarity (cathode) of one of said bi-cell units, and the second open surface of each of said at least one oxidizer supply members is in passive fluid communication with the electrode of said second polarity (cathode), of another of said bi-cell units.