Over the past few years, considerable attention has been given to hydrogen as a potential clean energy resource that can serve as an alternative to fossil fuels.
Schematic diagram of the AEMWE, where the catalyst layer consists of ionomers and catalysts. Image Credit: Korea Institute of Science and Technology (KIST).
Specifically, there has been an active study and development of water electrolysis technology that removes hydrogen from water to generate green energy and shuns the emission of greenhouse gases.
The proton exchange membrane water electrolyzer (PEMWE) technology, presently existing in a few handfuls of advanced countries retains core material technology and makes use of costly noble metal-based catalysts and perfluorocarbon-based proton exchange membranes. This technology leads to high costs of system manufacturing.
To address the restrictions of the conventional…