Sustainable zinc–air batteries (ZABs) are considered promising energy storage devices
owing to their inherent safety, high energy density, wide operating temperature window …

In the global trend towards carbon neutrality, sustainable energy conversion and storage
technologies are of vital significance to tackle the energy crisis and climate change …

The electrocatalytic splitting of water holds great promise as a sustainable and
environmentally friendly technology for hydrogen production. However, the sluggish kinetics …

Given their low cost and intrinsic safety, aqueous Zn metal batteries (AZMBs) are drawing
increasing attention in the field of smart grids and large-scale energy storage. However, the …

The development of high-efficiency and durable bifunctional electrocatalysts for both the
oxygen reduction reaction (ORR) and oxygen evolution reaction (OER) is critical for the …

Oxygen reduction and evolution reactions constitute the core process of many vital energy
storage or conversion techniques. However, the kinetic sluggishness of the oxygen redox …

Rechargeable alkaline zinc-air batteries promise high energy density and safety but suffer
from the sluggish 4 electron (e−)/oxygen (O2) chemistry that requires participation of water …

The metal-air batteries with the largest theoretical energy densities have been paid much
more attention. However, metal-air batteries including Li-air/O 2, Li-CO 2, Na-air/O 2, and Zn …

Lignin is produced in large quantities as a by-product of the papermaking and biofuel
industries. Lignin is the most abundant aromatic biopolymer on the planet with its chemical …

Highlights A novel method is developed to prepare bifunctional oxygen electrocatalysts
composed of Co nanoparticles and highly dispersed Fe loaded on N-doped carbon …