Issue Date: December 24, 2012
Encapsulation Protects Iron Catalyst
Encapsulating iron nanoparticles in pea-pod-like carbon nanotubes shields the metal from the harsh chemical environment common to fuel cells. Yet it leaves the particles free to catalyze reactions that are key to generating electricity, according to researchers in China (Angew. Chem. Int. Ed., DOI: 10.1002/anie.201204958). The finding suggests strategies for reducing the high cost of polymer electrolyte membrane (PEM) fuel cells by substituting inexpensive . . .
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