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May 8, 2026Advanced Functional MaterialsOpen Access

Carbon Shell‐Encapsulated PtFe Catalysts in High Temperature Polymer Electrolyte Membrane Fuel Cells: Balancing Molecular Sieving and Diffusion for Enhanced Reactant Access

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Authors

MKMyeong‐Geun KimFuel Cells and HydrogenSCSourabh S. ChouguleChungnam National UniversitySLSuji LeeSeoul National University

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Overview

Randomized trial demonstrates improved performance in high-temperature fuel cells, suggesting better reactant access.

Key Points

  • This research aims to improve high-temperature polymer electrolyte membrane fuel cells by enhancing reactant access and mitigating phosphate poisoning.
  • Integrating carbon shell-encapsulated PtFe nanoparticles into membrane electrode assemblies
  • Operating at 160°C using phosphoric acid-doped polybenzimidazole membranes
  • Performing half-cell evaluations and stability tests for 200 hours.
  • Achieved peak power density of 0.94 W·cm−2
  • Confirmed stability over 200 hours of operation
  • Showed optimized oxygen diffusion through the carbon shell to reduce phosphate poisoning.

Cite This Study

Kim et al. (2026) studied this question.

synapsesocial.com/papers/69fd7ef7bfa21ec5bbf074f7https://doi.org/10.1002/adfm.75620
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Also Consider

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  1. 1Polyhedral‐Oligomeric‐Silsesquioxane‐Based Binders Enable High‐Temperature Proton Exchange Membrane Fuel Cells with High Performance and Durability2026 · 2 citations
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  3. 3Platinum with Graphene Nanopocket Catalysts for Improved Phosphoric Acid Tolerance for High-Temperature Ion-Pair Polymer-Based Fuel Cells2026
  4. 4Effect of Heat Treatment on Structure of Carbon Shell-Encapsulated Pt Nanoparticles for Fuel Cells2024 · 2 citations
  5. 5Advancements in Non-Precious Metal Catalysts for High-Temperature Proton-Exchange Membrane Fuel Cells: A Comprehensive Review2025 · 2 citations