Nanostructured coatings: physico-chemical principles

The catalytic activity of an electrode is not proportional to the catalyst mass but to its accessible surface area. Multiplying nanostructure can raise specific area from 1 m²/g to over 200 m²/g — with no change in chemistry.

How we achieve it

The SPARKFUZE™ process melts and deposits the catalytic precursor in under 1 second, with no time for grain growth. The result is a nanostructured layer with open pores between 5 and 20 nm.

Performance implications

• 5 µm of SPARKFUZE™ matches 50 µm of conventional thermal coating.
• Lower catalyst mass → lower raw material cost.
• Lower thickness → lower electrode ohmic resistance.

Bottom line: nanostructure is where the electrode's economics are won or lost.