Thermal-shock-processed thin proton exchange membranes for efficient and durable water electrolysis with reduced hydrogen crossover.

Authors

Yuyang Wang, Wenyan Wu, Fang Chen, Jian Huang, Lu Qian, Ernesto Placidi, Williane da Silva Freitas, Alessandra D'Epifanio, Enrico Traversae, Jun Li

Published in

Chemical communications (Cambridge, England). Aug 27, 2025. Epub Aug 27, 2025.

Abstract

This work presents a Joule-heating strategy to create thin proton exchange membranes (PEMs) with high proton conductivity and low H₂ crossover. The treated PEMs assembled electrolyzer achieves a record current density of 3.72 A cm^-2 at 1.9 V with 1250 h durability at 2 A cm^-2 for water electrolysis.

PMID:
40859737
Bibliographic data and abstract were imported from PubMed on 27 Aug 2025.

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