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February 5, 2026Chemical Science0 citationsOpen Access

Unveiling structural forms of Ru in WO x -template catalysts for efficient acidic PEM water electrolysis

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XZXiongfeng ZengACAo CaiJPJunhui Pei

Key Points

  • To investigate the structural effects of Ru clusters in WOx templates on acidic PEM water electrolysis.
  • Analyzed the structure of Ru clusters in WOx catalysts
  • Evaluated water dissociation and *OH formation mechanisms
  • Assessed the efficiency of *O–*O coupling processes
  • Identified that subnanometer Ru clusters enhance interfacial water regulation
  • Demonstrated a significant promotion of water dissociation due to d–π coupling
  • Showed improved efficiency in *O–*O coupling facilitated by Ru clusters

Abstract

This study reveals a strong Ru structural effect. Subnanometer Ru clusters (Ru SNCs -WO x ) regulate interfacial water via d–π coupling, promoting water dissociation and *OH formation, and then facilitates *O–*O coupling.

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Cite This Study

Zeng et al. (2026) studied this question.

synapsesocial.com/papers/6984359ef1d9ada3c1fb49f8https://doi.org/10.1039/d5sc09860b
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