Carbon-based materials have multiple advantages including abundant sources, tunable
molecular structures, high electronic conductivity, and environmental compatibility. Rapidly …

The bifunctional electrocatalysis of oxygen reduction reactions (ORRs) and oxygen
evolution reactions (OERs) is critical for the development of rechargeable Zn–air batteries …

Carbon material is a promising electrocatalyst for the oxygen reduction reaction (ORR).
Do** of heteroatoms, the most widely used modulating strategy, has attracted many efforts …

Recent progress in advanced nanostructures synthesized from biomass resources for the
oxygen reduction reaction (ORR) is reviewed. The ORR plays a significant role in the …

Sustainable and cost‐effective energy generation has become crucial for fulfilling present
energy requirements. For this purpose, the development of cheap, scalable, efficient, and …

Precious noble metals (such as Pt, Ir) and nonprecious transition metals (eg, Fe, Co),
including their compounds (eg, oxides, nitrides), have been widely investigated as efficient …

Metal–air batteries (MABs) have been paid much more attention owing to their greater
energy density than the most advanced lithium-ion batteries (LIBs). Rechargeable MABs are …

Zn–air batteries have attracted significant attention because of their high energy density,
environmental friendliness, safety, and low cost. The air cathode of is one of the most …

Sustainable energy production at an acceptable cost is key for its widespread application. At
present, noble metals and metal oxides are the most widely used for electrocatalysis, but …

Rechargeable metal–air batteries have recently attracted significant attention because of
their high theoretical energy output and low cost. Among metal–air batteries, Zn–air batteries …