Single-Atom Engineering in Room-Temperature Sodium–Sulfur Batteries
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Electrochemistry Communications 2016, 62(), 17-20
Remarkable electrochemical properties of electrochemically reduced graphene oxide towards oxygen reduction reaction are caused by residual metal-based impurities
- Lu Wang, Chun Kiang Chua, Bahareh Khezri, Richard D. Webster, Martin Pumera*
Oxygen reduction reaction (ORR) is one of the most important electrochemical reactions in the field of energy storage. Remarkable catalytic properties towards ORR at "metal-free" electrochemically reduced graphene oxide (ErGO) were previously reported. We demonstrate here that the remarkable enhancement towards ORR of a "metal-free" ErGO is caused by residual metallic impurities instead of ErGO itself. (c) 2015 Elsevier B.V. All rights reserved.
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