Advancements in Electrode Development for Water Electrolysis: From Support Electrodes to Self‐Supported Electrodes

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Self‐supported electrodes substantially improve hydrogen production efficiency and longevity, transforming water electrolysis processes.
PEM electrolyzers generate current densities of 4.0 A/cm² at 2.36 V, achieving energy efficiency between 70%–80%.
Analysis focuses on advancements in electrode materials, particularly the shift toward self‐supported electrodes for better performance.
Integrating advanced self‐supported electrodes may lower hydrogen production costs significantly, potentially down to US$2.09/kg H₂.

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Review analyzes self‐supported electrodes, enhancing hydrogen production efficiency in various electrolyzer technologies.

Ahmed et al. (2025) studied this question.

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