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

Author

Ha, Jun Seok, Park, Youngtae, Jeong, Jae‐Yeop, Lee, Seung Hun, Lee, Sung Jun, Kim, In Tae, Park, Seo Hyun, Jin, Hyunsoo, Kim, Soo Min, Choi, Suwon, Kim, Chiho, Choi, Sung Mook, Kang, Bong Kyun, Lee, Hyuck Mo, and Park, Yoo Sei

Subjects
ION-permeable membranes, SILICON solar cells, OXYGEN evolution reactions, PLATINUM, HYDROGEN production, HYDROGEN, PLATINUM group
Abstract

Water 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. [ABSTRACT FROM AUTHOR]

Published
2024
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