articleAngewandte Chemie International EditionJan 13, 2026BRONZE OA

Atomic Ru‐Mediated Spontaneous Heterointerface Phase Transition Enables Ampere‐Level Catalytic Performance in Paired Electrolysis

ZYZhouhong YuXZXiaonan ZhengCLCong LinHCHan ChengKCKun Chen

Zhejiang Sci-Tech University · Henan Institute of Technology · +2 more institutions

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Abstract

Abstract Phase transition regulation is a promising strategy to optimize the catalytic properties of catalysts, playing a crucial role in enhancing electrocatalytic efficiency. However, the intrinsic relationship between atomic‐scale interface phase transitions and catalytic performance remains unclear. Herein, we report a heteroatomic interfacial phase transition of Co 3 S 4 /Co heterostructured nanosheets to Co 9 S 8 /Co by anchoring single‐atom Ru under thermal treatment (Ru SA –Co 9 S 8 /Co–T), resulting in ampere‐level catalytic performance for the sustained paired electrosynthesis. Theoretical calculations and in situ spectroscopy confirm the spontaneous transition to a more stable structure triggered by…

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10
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100%
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8

Topics & keywords

Topics
Keywords
  • Catalysis
  • Formate
  • Faraday efficiency
  • Phase transition
  • Transition metal
  • Phase (matter)
  • Work (physics)
  • Electrode
UN Sustainable Development Goals
  • Affordable and clean energy
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