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September 12, 2025Angewandte Chemie International Edition

Tellurium–Nitrogen–Carbon Support Boosting Platinum Catalysis in High‐Efficiency Proton Exchange Membrane Fuel Cells

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Authors

YCYuanxin ChenZMZihan MengXWXianxian Wei

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Overview

Introducing a novel electrocatalyst enhances platinum's oxygen reduction reaction efficiency, highlighting improved catalysis in fuel cell applications.

Key Points

  • The study shows a notable 18.6% increase in electrical efficiency of Pt/Te–N–GMC compared to commercial Pt/C.
  • Exceptional durability over 100,000 high-voltage cycles (from 1 to 1.5 V) is achieved with negligible aggregation of platinum nanoparticles.
  • Te–N co-mediation significantly enhances Pt valence stability, as revealed through density functional theory calculations.
  • The new support material lowers the energy barrier for the rate-determining step in the oxygen reduction reaction.

Cite This Study

Chen et al. (2025) studied this question.

synapsesocial.com/papers/68d44b3831b076d99fa54debhttps://doi.org/10.1002/anie.202512315
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