▎ 摘　　要

NOVELTY - Preparing fuel cell porous diffusion layer electrode plate using graphene carbon fiber conductive paper comprises e.g. dipping graphene carbon fiber conductive paper in the modified phenolic resin and epoxy resin, and then using diluting liquid of acetone and ethanol with weight ratio of 1:1 to dilute, forming dipping solution, in dipping glue, modified phenolic resin accounts for 20-30%, epoxy resin accounts for 20-30%, and dilution liquid (balance), maintaining cell temperature, selecting graphene carbon fiber conductive paper and mounting on to the machine production line. USE - The method is useful for preparing fuel cell porous diffusion layer electrode plate using graphene carbon fiber conductive paper (claimed). ADVANTAGE - The electrode plate has uniform porous structure, excellent air permeability, low resistivity and high electronic conduction capability, has smooth surface, certain mechanical strength and stable chemical performance and thermal stability. DETAILED DESCRIPTION - Preparing fuel cell porous diffusion layer electrode plate using graphene carbon fiber conductive paper comprises (i) dipping graphene carbon fiber conductive paper in the modified phenolic resin and epoxy resin according to weight ratio of 1:1, and then using diluting liquid of acetone and ethanol with weight ratio of 1:1 to dilute, forming dipping solution, in dipping glue, modified phenolic resin accounts for 20-30%, epoxy resin accounts for 20-30%, and dilution liquid (balance), maintaining temperature to 30-40 degrees C in cell, selecting graphene carbon fiber conductive paper and mounting on to the machine production line for dipping, introducing graphite carbon fiber conductive paper dipping glue liquid through the guide wheel, passing the graphene carbon fiber conductive paper via pressing roller, entering guide roller and then into the drying tunnel, drying, and cutting, (ii) pressing the electrode plate with thickness of 3-5 mm stainless steel plate as the template, cleaning the template dust, paving firstly 3-5 mm thickness cold rolled steel plate in 8-10 sheets of kraft paper of 80 g/square, paving kraft paper on stainless steel plate, orderly paving polyethylene release film on the stainless steel plate, dipping graphene carbon fiber conductive paper in glue, polyethylene release film, stainless steel board, kraft paper and cold rolling steel plate to form pressing product, placing product into hot press to press, (iii) selecting carbide temperature that can reach 2800-3300 degrees C for carbonization, pressing electrode plate with silicon carbide plate into the carbonization furnace for carbonization.