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Highlights ► Our fuel cell model uses an accumulation based hydration model for the membrane. ► The membrane model considers through the plane spatial dependences. ► Analysis performed while cell under the influence of a controller. ► Sensitivity with respect to water diffusivity within...
Research highlights ► First-time comparison of ORR activity at several Pt-loaded mesoporous carbons. ► Catalyst sequence: Pt/CIC > Pt/OMC > Pt/Vulcan Carbon. ► CIC support has larger pores and thicker, more crystalline walls compared to OMC. ► Superior performance of Pt/CIC due to larger...
Graphical abstract Incorporation of a defined amount of fiber-shaped SBA 15 and platelet 15 significantly improved the ionic conductivity of IL-based membrane due to the formation of continuous and interconnected ion transport channels, formed at the interface between the polymer and mesoporous...
Highlights ► Metal supported SOFC was prepared by plasma spraying. ► Effect of 3 electrolyte thicknesses and three microstructures was investigated. ► Best electrolyte layer had a measured density of 96%. ► At 750 °C measured OCV was 90% of Nernst voltage and electrolyte R s was <0.1 Ω...
Highlights ► High pressure operation of DMFC improves maximum power density. ► High pressure operation of DMFC reduces limiting current density. ► Vacuum operation of DMFC enhances performance. ► Nitrogen stripping of CO 2 from recycled anode fuel supply restores peak power density.
Highlights ► Pt–Ir/TiC supported electrocatalysts for oxygen electrode of RFC by plasma reduction process. ► Finer particles (<5 nm) of noble metal and relatively more uniform distribution on the support TiC surface. ► Significant improvement in the electrocatalytic activity.
Research highlights ► Lanthanide (Ln 3+ = Sm 3+ and Eu 3+ ) doped TiO 2 acts as good down-converting materials for harvesting UV light from solar radiation into visible range. ► Modification of the photovoltaic efficiency of dye-sensitized solar cells by using photoelectrodes based on...
Highlights ► The introduction of Hybrid Electric Vehicle technology is evaluated for Mexico City in terms of fuel, greenhouse gas emissions, public health benefits and private costs using a range of multidisciplinary tools. ► Using plausible fleet, emission and urban scenarios, a time series...
Highlights ► We systematically studied the effect of temperature on corrosion behavior of SS316L in PEMFC cathode environments. ► The corrosion behavior of SS316L can be significantly different at different temperatures. ► Corrosion current densities at different temperatures are all lower...
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