New ordered membrane electrode assembly proposed for high-performance proton exchange membrane water electrolysis

Proton exchange membrane water electrolysis (PEMWE) is promising due to its high energy efficiency and hydrogen purity. However, as the practical application of the PEMWEs usually runs at high current densities (≥1–2 A m-2), insufficient catalyst utilization, limited mass transport and high ohmic resistance of the conventional membrane electrode assembly (MEA) restrict the performance of PEMWE.

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