Solar‐Powered AEM Electrolyzer via PGM‐Free (Oxy)hydroxide Anode with Solar to Hydrogen Conversion Efficiency of 12.44%

anion exchange membrane water electrolysis Science Q electrocatalysis hydrogen energy solar to hydrogen 0210 nano-technology water splitting Research Article 0104 chemical sciences
DOI: 10.1002/advs.202401782 Publication Date: 2024-04-24T07:25:27Z
ABSTRACT
AbstractWater electrolyzers powered by renewable energy are emerging as clean and sustainable technology for producing hydrogen without carbon emissions. Specifically, anion exchange membrane (AEM) electrolyzers utilizing non‐platinum group metal (non‐PGM) catalysts have garnered attention as a cost‐effective method for hydrogen production, especially when integrated with solar cells. Nonetheless, the progress of such integrated systems is hindered by inadequate water electrolysis efficiency, primarily caused by poor oxygen evolution reaction (OER) electrodes. To address this issue, a NiFeCo─OOH has developed as an OER electrocatalyst and successfully demonstrated its efficacy in an AEM electrolyzer, which is powered by renewable electricity and integrated with a silicon solar cell.
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