Patent ID: 8268510
Filing Date: 2012-09-18
Classification: B33Y,H01M,Y02E

Abstract:
1. A method for fabricating a repeating unit for a fuel cell, comprising the steps of: providing a first fuel cell component having a first substrate, a first diffusion medium layer with a microtruss structure, and a first flow field layer with a plurality of radiation-cured reactant flow channels, the first flow field layer disposed between the first substrate and the first diffusion medium layer; providing a second fuel cell component having a second diffusion medium layer with a microtruss structure and a second flow field layer with a plurality of radiation-cured reactant flow channels and a plurality of radiation-cured coolant channels, the second diffusion medium layer disposed between a second substrate and the second flow field layer; disposing the first fuel cell component on the second fuel cell component, wherein the first substrate is disposed adjacent the second flow field layer; removing the second substrate from the second fuel cell component; disposing a first microporous layer on the first diffusion layer and a second microporous layer on the second diffusion layer; and one of applying a first electrode to the first microporous layer and a second electrode to the second microporous layer, and disposing a polymer electrolyte membrane on the first electrode; and disposing a membrane electrode assembly on one of the first and second microporous layers, the membrane electrode assembly having the polymer electrolyte membrane disposed between the first electrode and the second electrode.