Proton exchange membrane (PEM) electrolyzers have emerged as a competitive technology for the production of hydrogen, driven by the increasing demand for clean and sustainable energy options. These systems utilize a solid polymer electrolyte to divide hydrogen and oxygen ions, facilitating an efficient electrochemical process. This review provides

The polymer electrolyte membrane water electrolyzer stands as a frontrunner in the realm of clean hydrogen production. This innovative technology leverages an electrochemical process to split liquid water into its constituent elements: H2 gas and O2 gas. The process is driven by an external direct electric input, facilitated by a specialized membra