In it for the long haul: Clusters of Pt nanowires (3D Pt nanoassemblies, Pt NA) serve as an electrocatalyst for low-temperature fuel cells. These Pt nanoassemblies exhibit remarkably high stability following thousands of voltage cycles and good catalytic activity, when compared with a commercial Pt catalyst and 20 % wt Pt catalyst supported on carbon black (20 % Pt/CB).
Sieger im Langzeittest: Cluster von Pt‐Nanodrähten (3D‐Pt‐Nanoaggregate, Pt‐NAs) sind geeignete Elektrokatalysatoren für Niedertemperatur‐Brennstoffzellen. Beim Vergleich mit einem kommerziellen Pt‐Katalysator und mit 20 Gew.‐% Pt auf Aktivkohle (20 % Pt/CB) erwiesen sich die Pt‐NAs über tausende von Spannungszyklen hinweg als erstaunlich stabil und katalytisch aktiv (siehe Diagramm).
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