ULTRASONIC SPRAY NOZZLES ARE THE PREFERRED METHOD FOR FUEL CELL COATING

ULTRASONIC SPRAY NOZZLES ARE THE PREFERRED METHOD FOR FUEL CELL COATING

Date:Nov 29, 2017

ULTRASONIC SPRAY NOZZLES ARE THE PREFERRED METHOD FOR FUEL CELL COATING

  Microspray offers ultrasonic spray coating technologies for fuel cell coating which is ideally suited for carbon-based platinum ink solutions onto catalytic membranes in the manufacture of platinum-based hydrogen fuel cells.  Ultrasonics has been used in a host of fuel cell related technologies such as Proton Exchange Membranes (PEM) fuel cells, Gas Diffusion Layers (GDLs), Solid Oxide Fuel Cells, electrodes and electrolyte membranes.  Ultrasonic spray technology is ideally suited for spray coating costly materials such as platinum and other precision metals in carbon black ink slurries.  These chemistries when applied using ultrasonic nozzles onto Nafion fuel cells are superior to hydraulic deposition, pressing, knife edge and paste printing methods.

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Benefits of ultrasonic spray technology over other methods

*Uniform small sized deposits maximize surface area and efficacy of catalyst deposits.

*Ultrasonics minimizes product clumping or agglomeration of material.

*Ultrasonic technology does not harm your chemistry by causing excessive exposure to the atmosphere during application, shearing and separation of materials in suspension.

*Ultrasonic vibration eliminates nozzle clogging.

*Maximum uniformity of film thickness and film density.

*Low velocity spray reduces over-spray.

*Spray plume can be easily shaped and directed to coat only target area.

*Robust design and materials resist wear and corrosion.



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