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To reveal how the size effect and strain effect synergistically regulate the mass activity (MA) and specific activity (SA) of Pt alloy nanocrystal catalysts in oxygen reduction reaction (ORR), remains to be difficult due to the highly entangled factors. In this work, six ternary PtCoCu catalysts with sequentially changed composition, size, and compression strain are prepared. It is found that the...
In article number 2006771, Shao Jing, Wenjing Zhang, and co‐workers develop a flexible self‐standing nanofiber electrode doped with Pt‐Co alloy nanocatalysts via electrospinning. The electrodes exhibit excellent performance in high‐temperature PEM fuel cells, owing to the synergistic interaction between the Pt–Co and Co–Nx as revealed via computational modeling. This method simplifies the fuel cell...
Expedited conversion of O2 to H2O with minimal amounts of Pt is essential for wide applicability of PEM fuel cells (PEMFCs). Therefore, it is imperative to develop a process for catalyst management to circumvent unnecessary catalyst loss while improving the Pt utilization, catalytic activity, and durability. Here, the fabrication of a self‐standing nanofiber electrode is demonstrated by employing...
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