The fuel cell electrode layer is a critical component of a fuel cell. The electrode layer is made up of the catalyst and porous electrode or gas diffusion layer. When the fuel in the flow channels meets the electrode layer, it diffuses into the porous electrode or gas diffusion layer. The reactant travels to the catalyst layer where it is broken into ions, electrons and other molecules or recombined into new molecules depending upon the fuel cell type and whether the reaction is occurring at the anode or cathode. The electrons travel to the external circuit to power the load, and the ions travel through the electrolyte until it reaches the other electrode to form water and other molecules. The catalyst layer must be very effective at breaking molecules into protons and electrons, have high surface area, adequate porosity, high electronic conductivity, and it should be chemically and mechanically stable.

Clean Fuel Cell Energy offers several different options for your electrode layer. The amount of platinum catalyst loading and/or the amount of ruthenium loading can be specified for your application. Please email us for a quote if you need electrode specifications that differ from those listed below. The information that needs to be provided for an accurate quote includes:

1) Type of backing material desired (carbon cloth is typically used).
2) The amount of catalyst loading (0.5 - 1.0 mg/cm2 Platinum is typically used for PEMFC applications, and 1.0 – 5.0 mg/cm2 platinum-ruthenium is used for DMFC applications).
3) Size of the electrode (10 cm x 10 cm to 20 cm x 20 cm is typically used).

We typically take from 24 - 48 hours to get back to you with the quote. Please feel free to contact us about customized designs.

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