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February 19, 2026ChemCatChem

Ultrafine PtCoNi Intermetallics Stabilized within Ordered Mesoporous Carbon for Efficient Hydrogen Evolution Electrocatalysis

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Authors

YYYihao YaoHHHangjuan HeYWYanzhi Wang

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Overview

Ordered intermetallic bimetals optimize hydrogen evolution in electrocatalysis, indicating potential for practical application.

Key Points

  • This work aims to enhance the performance and stability of hydrogen evolution electrocatalysts using intermetallic bimetals.
  • Alloying Ni into PtCo intermetallics
  • Stabilizing the alloyed catalyst within mesoporous carbon
  • Evaluating electrocatalytic performance across different pH levels
  • Conducting mechanism studies on H2O dissociation and H2 coupling
  • i-Pt1Co x Ni 1-x @MC displays a mass activity of 3.76 A mg −1 and specific activity of 30.79 mA cm −2 at 100 mV
  • Achieved high hydrogen evolution stability over 5000 cycles
  • Performed effectively in a wide pH range, demonstrating practical applicability under harsh conditions

Cite This Study

Yao et al. (2026) studied this question.

synapsesocial.com/papers/6996a8c7ecb39a600b3efcachttps://doi.org/10.1002/cctc.202501594
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