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Expensive Pt-based catalysts are usually required to achieve a high discharge voltage and long operation life for hybrid Li-air batteries. However, the cost of the catalysts needs to be lowered by either reducing the Pt loading in the catalysts or replacing Pt with less expensive catalysts. Here, we report the strong coupling of Co3O4 nanocrystals with an O- and N-doped carbon nanoweb (ON-CNW) as...
Lithium-air batteries have become appealing in recent years, but one of the major challenges is the large overpotential associated with the oxygen reduction reaction (ORR) and oxygen evolution reaction (OER). Tremendous efforts have been made on developing highly active and durable catalysts to lower the overpotentials for ORR and OER. In addition to the intrinsic activity and stability of the catalysts,...
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