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Updated: Feb 26, 2026

Synthesis of Metal Nanoparticles Supported on Carbon Nanotube with Doped Co and N Atoms and its Catalytic Applications in Hydrogen Production
Published on: December 6, 2021
Atomically dispersed Ru-Co pairs on hollow carbon as robust catalysts for the acidic oxygen evolution reaction
Fengqin Zhang1, Qingmei Wang1, Zhijie Chen2
1Guizhou University Key Laboratory of Green Chemical and Clean Energy Technology, Guizhou University Engineering Research Center of Efficient Utilization for Industrial Waste, School of Chemistry and Chemical Engineering, Guizhou University, Institute of Dual-carbon and New Energy Technology Innovation and Development of Guizhou Province, Guiyang, Guizhou, 550025, China. qmwang3@gzu.edu.cn.
Abstract:
Developing durable, high-activity acidic oxygen evolution catalysts remains difficult. Here, we present atomically dispersed, spatially neighboring Ru-Co pairs anchored on hollow S,N-doped carbon via robust coordination. RuCo/SNC achieves a superior overpotential of 230 mV at 10 mA cm-2 and remarkable stability compared to RuO2. Operando spectroscopy detects concurrent *OOH and *O-O intermediates, revealing a mechanism where adsorbate evolution coexists with moderated lattice oxygen participation. This cooperative pathway significantly suppresses metal leaching. Consequently, engineering anchored, electronically coupled Ru-Co pairs provides an effective strategy to regulate reaction pathways and overcome activity-stability trade-off in acidic oxygen evolution.
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