Method for fabricating a fuel cell on a porous support

Details Method for fabricating a fuel cell on a porous support Method for fabricating a fuel cell on a porous support

2011-07-12

2011-07-12

Cleveland, Michael (Department: 1712)

Coating processes

Electrical product produced

Fuel cell part

C427S058000, C427S123000, C427S126100, C427S180000, C427S181000, C427S189000, C427S190000, C427S191000, C429S480000, C429S481000, C429S482000, C429S483000, C429S513000, C429S535000

Reexamination Certificate

active

07976895

ABSTRACT:
To prevent the liquid electrolyte from penetrating into the porous support while at the same time preserving or increasing the power density of the fuel cell, before the liquid electrolyte is deposited, at least a part of the walls delineating the pores of said support is covered by a film formed by a material presenting a contact angle of more than 90° with a drop of said liquid electrolyte. Said film further presents a thickness enabling passage of the reactive fluid in the pores of the support.

REFERENCES:
patent: 2005/0053821 (2005-03-01), Jang
patent: 2006/0141339 (2006-06-01), Roy et al.
patent: 2007/0072040 (2007-03-01), Kouassi et al.
patent: 2007/0072070 (2007-03-01), Quek et al.
patent: 2008/0061027 (2008-03-01), Mangat et al.
patent: 1 353 394 (2003-10-01), None
patent: 1 772 921 (2007-04-01), None
patent: 2 846 797 (2004-05-01), None
patent: 2 880 200 (2006-06-01), None
Gurau et al., “Characterization of Transport Properties in Gas Diffusion Layers for Proton Exchange Membrane Fuel Cells: 2. Absolute Permeability”, Journal of Power Source, vol. 165 Issue 2, (Mar. 2007), pp. 793-802.

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