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September 10, 2025Advanced Functional Materials

Dual‐Atomic‐Site Engineering of Pt‐Based Intermetallic Catalysts for Highly Efficient and Durable Oxygen Reduction

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Authors

WWWei WuZWZichen WangYZYu Zhu

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Overview

Hybrid catalyst shows over 16-fold higher activity than commercial Pt/C in PEMFCs, suggesting innovations in dual-atomic site design.

Key Points

  • Optimized catalyst achieves a mass activity of 2.33 A mg Pt −1 for oxygen reduction reactions, a significant improvement over commercial benchmarks.
  • PEMFC tests confirm excellent durability and high current density, indicating practical applicability in fuel cell systems.
  • The performance is attributed to the unique architecture combining atomically ordered intermetallics and dual-atomic sites enhancing reaction kinetics.
  • This work highlights a novel design strategy for Pt-based electrocatalysts, potentially transforming PEMFC applications.

Cite This Study

Wu et al. (2025) studied this question.

synapsesocial.com/papers/68c1c22d54b1d3bfb60ef687https://doi.org/10.1002/adfm.202514892
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