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May 22, 2026Advanced Functional Materials

A Competitive Ligand Strategy for Designing Pt 3 Co Intermetallic Catalysts With Strong Metal‐Support Interaction for Durable PEM Fuel Cells

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Authors

XLXu LinMHMengting HanYWYuting Wang

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Overview

Randomized trial reveals enhanced durability and performance in PEM fuel cells with intermetallic catalysts, suggesting a new design approach.

Key Points

  • This study aims to improve the performance and durability of Pt-based intermetallic catalysts for proton exchange membrane fuel cells (PEMFCs) using a competitive ligand strategy.
  • Developed mesoporous-carbon support using a competitive ligand strategy to achieve strong metal-support interactions (SMSI).
  • Fabricated Pt3Co intermetallic nanoparticles (Pt3Co@mNC-30%) and tested under H2─O2/Air atmospheres for power density and durability.
  • Conducted accelerated durability tests over 30,000 cycles to assess long-term stability.
  • Achieved a power density of 2.32 W cm−2 under H2─O2 and 1.08 W cm−2 under Air atmospheres.
  • Demonstrated outstanding durability with 550 hours of operation and minimal voltage loss of 27 mV at 0.8 A cm−2 after 30,000 cycles.
  • Surpassed DOE 2025 targets for fuel cell performance, establishing a new benchmark for Pt-based catalysts.

Cite This Study

Lin et al. (2026) studied this question.

synapsesocial.com/papers/6a0ff412d674f7c03778d119https://doi.org/10.1002/adfm.75957
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Also Consider

Synapse has enriched 5 closely related papers on similar clinical questions. Consider them for comparative context:

  1. 1Creating Favorable Pt/Co Interfaces via a Two‐Step Approach for Constructing Highly Durable PtCo Intermetallic Fuel Cell Catalysts2025 · 19 citations
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  3. 3Dual‐Atom‐Site‐Rich Support Engineering Enables Strong Electronic Metal‐Support Interaction for Superior PtZn Intermetallic Fuel Cell Catalyst2026 · 1 citations
  4. 4Medium‐Sized Intermetallic PtCo Catalysts for Low‐Pt Heavy‐Duty Fuel Cells2026
  5. 5Medium‐Sized Intermetallic PtCo Catalysts for Low‐Pt Heavy‐Duty Fuel Cells2026