Single-Atom Engineering for Next Generation Rechargeable Batteries
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Chemcatchem 2015, 7(11), 1650-1654
So-Called “Metal-Free” Oxygen Reduction at Graphene Nanoribbons is in fact Metal Driven
- Lu Wang, Colin Hong An Wong, Bahareh Kherzi, Richard D. Webster, Martin Pumera*
The oxygen reduction reaction (ORR) is of key importance in the field of electrochemical energy production. Remarkable catalytic properties of metal-free graphene nanoribbons towards the ORR were suggested in previous reports. Herein, we show that the electrocatalytic properties of an undoped supposedly metal-free graphene nanoribbon towards the ORR is actually caused by metallic impurities within the graphene nanoribbons.
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