In conclusion, the development of Ir^VI-ado represents a major leap forward in PEM water electrolysis technology. By dramatically reducing the amount of iridium required while enhancing catalytic performance and stability, this innovation holds the potential to make H₂ production via PEM electrolysis more economically viable and scalable. To transition this breakthrough from the laboratory to industrial applications, further research and development will be crucial, thereby paving the way for a more sustainable energy future.