Figure 1 Design and characterization of gradient electrode. (a) Cross-sectional SEM image, the corresponding EDS mapping and the corresponding elemental line scan of NS/Na. (b) The measured potential ...

High-temperature proton exchange membrane fuel cells (HT-PEMFCs) are highly promising for next-generation aviation, as they can operate above 160 °C and tolerate impurities in the fuel. However, they ...

The ecological drivers of herbaceous layer composition and diversity in deciduous forests of eastern North America are imperfectly understood. We analyzed the herbaceous layer, across the growing ...