(B) Catalyst shape made with the new technology (red-iridium catalyst/green-iron nitride)

Schematic of the electrode fabrication process for this development

(A) Durability test of water electrolysis device using the developed electrode (B) Water electrolysis performance before and after the durability test of the water electrolysis device using the developed electrode (C) Durability test of water electrolysis device with electrodes manufactured by conventional technology (D) Water electrolysis performance before and after durability test of water electrolyzer with conventional electrodes