In hydrogen fuel cell vehicles and stationary power generation systems, the corrosion resistance, contact resistance, and gas barrier properties of metal bipolar plates directly affect the stack life and output power. Anhui Aiyota's silane composite coating material provides an innovative solution for bipolar plate surface protection.

The silane coating forms a dense organic-inorganic hybrid protective film on the surface of stainless steel and aluminum alloy bipolar plates, effectively blocking the corrosion of hydrogen, oxygen, and acidic electrolytes. Simultaneously, it maintains low contact resistance by introducing conductive fillers (such as carbon nanotubes and graphene). Accelerated aging tests show that silane-treated bipolar plates exhibit a 90% reduction in corrosion current density and a contact resistance of less than 10 mΩ·cm² in a simulated environment at 80℃ and pH=3, meeting DOE2020 technical specifications.