▎ 摘　　要

NOVELTY - Preparing stainless steel bipolar plate surface organic conductive anticorrosive coating, comprises (1) preparing graphene oxide and p-phenylenediamine, dispersing in de-ionized water by ultrasonic treatment for 30 minutes, reacting under the condition of oil bath reflux heating at 80degrees Celsius, centrifuging and washing slurry at 8000 revolution/minute, and drying at 70degrees Celsius for 12 hours to obtain black amino graphene nano-filler; (2) dispersing 3,4-ethylene dioxythiophene and ammonium persulfate in the de-ionized water, stirring and reacting at room temperature for 48 hours, centrifuging and washing reaction product, and drying in vacuum drying box at 70degrees Celsius for 12 hours to obtain poly 3,4-ethylene dioxythiophene conductive nano-filler; (3) mixing two nano-fillers with acrylate resin, and ultrasonically dispersing to prepare into coating; and (4) using the glue dropper to dip paint to the surface of the stainless steel bipolar plate, uniformly coating by wire rod, drying and solidifying. USE - The method is useful for preparing stainless steel bipolar plate surface organic conductive anticorrosive coating. ADVANTAGE - The method has significant advantages of conductivity and anticorrosion performance compared with pure acrylic resin coating, and has good application prospect on the surface of the metal bipolar plate of the proton exchange membrane fuel cell. DETAILED DESCRIPTION - Preparing stainless steel bipolar plate surface organic conductive anticorrosive coating, comprises (1) preparing graphene oxide and p-phenylenediamine according to a certain mass ratio, dispersing in de-ionized water by ultrasonic treatment for 30 minutes, reacting for a period of time under the condition of oil bath reflux heating at 80degrees Celsius, centrifuging and washing obtained slurry at 8000 revolution/minute, and drying at 70degrees Celsius for 12 hours to obtain black amino graphene nano-filler; (2) dispersing 3,4-ethylene dioxythiophene and ammonium persulfate according to mass ratio in the de-ionized water, stirring and reacting at room temperature for 48 hours, centrifuging and washing reaction product at 10000 revolution/minute, and drying in vacuum drying box at 70degrees Celsius for 12 hours to obtain poly 3,4-ethylene dioxythiophene conductive nano-filler; (3) mixing two nano-fillers with acrylate resin according to a certain mass ratio, and ultrasonically dispersing for a period of time to prepare into coating; and (4) using the glue dropper to dip paint to the surface of the stainless steel bipolar plate, uniformly coating by wire rod, drying and solidifying to obtain stainless steel bipolar plate surface organic conductive anti-corrosion coating.