| Summary: | Electrocatalysis has been one of the
hottest research fields in recent years
due to the global effort in exploring
sustainable energy technologies. The
central effort is to develop highly active
electrocatalysts for those reactions
playing key roles in fuel cells, electrolyzers, and rechargeable metal-air batteries, such as oxygen evolution, oxygen
reduction, and hydrogen evolution reactions. A highly active electrocatalyst
should be able to promote the reaction rate of the corresponding reaction. In
kinetics, the activation energy should
be lowered, and, electrochemically, a
lowered overpotential should be
observed at a certain current density.
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