DOI: 10.1039/d6ta07215a ISSN: 2050-7488

Rethinking cathode porous transport layer degradation in PEM water electrolysis: a mechanism and a carbon-coating solution

Chen Ju, Congcong Yao, Huimin Sun, Runhao Zhang, Yixuan Ma, Chang Liu, Yang Liu, Ke Zhang, Tianrang Yang, Aidong Tan, Jianguo Liu

Cathodic Ti-PTL degradation in PEM water electrolysis is driven by surface oxidation, Ti dissolution, and catalyst-layer contamination, while an a-C coating effectively suppresses these processes and greatly improves long-term durability.

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