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Showing 1–5 of 5 results
Advanced filters: Author: Alessandro Fortunelli Clear advanced filters

  • Pt-based catalysts are state-of-the-art cathodes in fuel cells, but they experience a trade-off between activity and durability. Now a Pt nanocatalyst with embedded cobalt oxide clusters is shown to promote stability during proton exchange membrane fuel cell operation without sacrificing activity, achieving 88.2% mass activity retention after 30,000 accelerated stress test cycles.

    • Bosi Peng
    • Zeyan Liu
    • Yu Huang
    Research
    Nature Catalysis
    Volume: 7, P: 818-828

  • The widespread adoption of fuel cells requires exhaustive screening for highly active and durable Pt-based catalysts for the oxygen reduction reaction. Now a binary descriptor based on experimental parameters extracted from X-ray absorption spectroscopy is used to predict the catalytic activity and stability of a wide range of Pt-alloy catalysts.

    • Jin Huang
    • Luca Sementa
    • Yu Huang
    Research
    Nature Catalysis
    Volume: 5, P: 513-523

  • We showed the distinctive unconventional junction effect of MoS2 junctions: a lattice mismatched MoS2. It is unique to observe the difference originated from the atomic interrelation at the interface. The results revealed the dominant scattering source at the conventional naturally stepwise junction, while the misorientationally stacked layer exhibited effectively decoupled behavior and a significantly smaller junction resistance via phonon assist carrier. Therefore, our finding in this paper clearly shows the different mechanisms in carrier transport at both junction interface of MoS2.

    • Hyong Seo Yoon
    • Juyeong Oh
    • Seong Chan Jun
    ResearchOpen Access
    NPG Asia Materials
    Volume: 11, P: 1-10