September 12, 2025Angewandte Chemie

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

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The Pt/Te–N–GMC catalyst demonstrates superior durability over 100,000 cycles, with negligible aggregation.
Enhancements arise from strong metal-support interactions and a minimal increase in Pt valence state during operation.
The electrocatalyst lowers the energy barrier for the oxygen reduction reaction, resulting in higher activity.
An 18.6% efficiency improvement over commercial Pt/C was achieved under high-voltage conditions.

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This novel catalyst achieves superior oxygen reduction reaction efficiency in fuel cells, showing improved durability and performance.

Chen et al. (2025) studied this question.

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