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Fe–N–C catalysts are very promising materials for fuel cells and metal–air batteries. This work gives fundamental insights into the structural composition of an Fe–N–C catalyst and highlights the importance of an in‐depth characterization. By nuclear‐ and electron‐resonance techniques, we are able to show that even after mild pyrolysis and acid leaching, the catalyst contains considerable fractions...
Die Produktion und Verwendung von Nanopartikeln haben zur Folge, dass synthetische Nanopartikel in die Umwelt freigesetzt werden, wo sie vielfältige Reaktionen und Wechselwirkungen eingehen können. Für natürlich vorkommende Nanopartikel (1–100 nm) und Kolloide (1–1000 nm) werden solche Reaktionen und das daraus resultierende Verhalten und der Verbleib in der Umwelt seit langem untersucht. Die aus...
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