The oxygen evolution reaction (OER) and oxygen reduction reaction (ORR) are core steps of
various energy conversion and storage systems. However, their sluggish reaction kinetics …

Hydrogen energy-based electrochemical energy conversion technologies offer the promise
of enabling a transition of the global energy landscape from fossil fuels to renewable energy …

The exploration of highly active, durable, and cost-effective electrocatalysts for the oxygen
reduction reaction (ORR) is indispensable for several important energy conversion …

Hydrogen fuel cells have attracted growing attention for high-performance automotive power
but are hindered by the scarcity of platinum (and other precious metals) used to catalyze the …

Transition metal nitrides (TMNs) have gained substantial interest to generate hydrogen from
direct dissociation of water via catalytic strategy. Due to the unique noble metal like …

Hydrogen, as a clean energy carrier, is of great potential to be an alternative fuel in the
future. Proton exchange membrane (PEM) water electrolysis is hailed as the most desired …

Crystalline high‐entropy ceramics (CHC), a new class of solids that contain five or more
elemental species, have attracted increasing interest because of their unique structure and …

The electrochemical reduction of oxygen to water and the evolution of oxygen from water are
two important electrode reactions extensively studied for the development of electrochemical …

Electrochemical energy systems such as fuel cells and metal–air batteries can be used as
clean power sources in the field of electric transportation and possess great potential in the …

The identification of hydrogen as green fuel in the near future has stirred global realization
toward a sustainable outlook and thus boosted extensive research in the field of water …