Abstract
AbstractA hybrid of reduced graphene oxide (RGO) sheets and gold nanoparticles (AuNPs), which mainly feature Au(111) planes and have an average diameter of 8 nm, has been prepared by using a facile approach. The RGO/AuNPs hybrid exhibits high bifunctional electrocatalytic activity toward the oxygen reduction reaction (ORR) as well as the oxygen evolution reaction (OER) in room‐temperature ionic liquid (RTIL). Compared with the performance of a commercial Pt/C material, a higher ORR current density as well as a much better reversibility of ORR/OER has been obtained on RGO/AuNPs, suggesting that this novel hybrid material could be employed as a promising catalyst for the development of IL‐based rechargeable metal−air batteries.
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