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1. Amorphous Iridium Oxide-Integrated Anode Electrodes with Ultrahigh Material Utilization for Hydrogen Production at Industrial Current Densities

Author

Lei Ding, Kui Li, Weitian Wang, Zhiqiang Xie, Shule Yu, Haoran Yu, David A. Cullen, Alex Keane, Kathy Ayers, Christopher B. Capuano, Fangyuan Liu, Pu-Xian Gao, and Feng-Yuan Zhang

Subjects
Ionomer-free, Amorphous IrO x electrodes, Ultrahigh material utilization, Scalable electrodeposition, Hydrogen production, Technology
Abstract

Highlights Electrodeposited amorphous IrO x thin electrodes are first developed for proton exchange membrane electrolyzer cells. An ultralow loading of 0.075 mg cm−2 archives superior performance to catalyst-coated membrane (2 mg cm−2). > 96% of catalyst savings and > 42-fold higher catalyst utilization are demonstrated.

Published
2024
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