Bipolar Plate Coating Solution

Bipolar plates are key components of fuel cells, and currently, graphite bipolar plates are commonly used.

Stainless steel bipolar plates are a promising alternative—they are insensitive to vibrations, offer complete gas tightness, have reasonable production costs, and are much thinner than graphite plates.

HCVAC has successfully applied carbon coatings onto stainless steel bipolar plates using Physical Vapor Deposition (PVD) technology.

In terms of interfacial contact resistance (ICR), adhesion, and corrosion resistance, the carbon coating exhibits properties similar to those of gold plating.