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April 26, 2026ACS Applied Nano Materials

Destabilized FeNC via H 2 Treatment for Co-supported L1 0 -PtM and L1 2 -Pt 3 M with Increased ORR Performance

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Authors

WLWenxuan LuSWSimin WangYXYuxuan Xu

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Overview

Randomized trial shows improved catalytic activity in intermetallic L10-PtM and L12-Pt3M catalysts, indicating a novel synthesis strategy.

Key Points

  • This research aims to enhance the oxygen reduction reaction (ORR) performance of intermetallic Pt catalysts by optimizing support materials.
  • Supported intermetallic Pt particles on destabilized Fe–N sites and M–N–C via H2 pretreatment during carbonization.
  • Synthesis of O-PtCo@FeNC(5H) showcasing both L10-PtM and L12-Pt3M phases.
  • Conducted membrane electrode assembly (MEA) tests to evaluate performance under H2–air conditions.
  • Mass activity of synthesized O-PtCo@FeNC(5H) reached 1.23 A mgPt–1, with 89.1% retention after 30,000 cycles.
  • MEA test resulted in an enhanced mass activity of 0.471 A mgPt–1 and peak power density of 1.288 W cm–2.

Cite This Study

Lu et al. (2026) studied this question.

synapsesocial.com/papers/69edad094a46254e215b4a28https://doi.org/10.1021/acsanm.6c01050
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