Global energy and environmental crises are among the most pressing challenges facing
humankind. To overcome these challenges, recent years have seen an upsurge of interest …

Oxygen reduction reaction (ORR), oxygen evolution reaction (OER) and hydrogen evolution
reaction (HER) are three key reactions for the development of green and sustainable energy …

Metal–organic frameworks (MOFs) with highly adjustable structures are an emerging family
of electrocatalysts in two-electron oxygen reduction reaction (2e-ORR) for H2O2 production …

The great interest in rechargeable Zn–air batteries (ZABs) arouses extensive research on
low‐cost, high‐active, and durable bifunctional electrocatalysts to boost the sluggish oxygen …

Mechanically stable and foldable air cathodes with exceptional oxygen reduction reaction
(ORR) and oxygen evolution reaction (OER) activities are key components of wearable …

Electrocatalysts are one of the essential components for the devices of high-efficiency green
energy storage and conversion, such as metal-air cells, fuel cells, and water electrolysis …

Zn–air batteries are becoming the promising power sources for portable and wearable
electronic devices and hybrid/electric vehicles because of their high specific energy density …

Electrocatalytic hydrogen evolution reaction (HER), oxygen evolution reaction (OER) and
oxygen reduction reaction (ORR) are three typical reactions in energy conversion devices …

A novel and efficient trifunctional electrocatalyst composed of cobalt oxide (CoO x) and
cobalt nitride (CoN y) embedded in carbon–nitride nanosheets (CN z, represented by CoO …

The oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) are crucial
reactions in energy conversion and storage systems including fuel cells, metal–air batteries …