What is the definition of electrochemistry?

Electrochemistry is defined as the branch of chemistry that deals with the transfer of electric charge. This field focuses on the relationship between electricity and chemical reactions, particularly how electrical energy can drive chemical processes, and conversely, how chemical reactions can generate electrical energy. This is essential in various applications, including batteries, fuel cells, and corrosion studies, which are vital in cathodic protection techniques.

Understanding this definition helps emphasize the role of electrochemical principles in cathodic protection, which involves preventing corrosion on metallic surfaces through techniques that alter electrical environments. By recognizing that electrochemistry is fundamentally about charge transfer, one can appreciate its significance in both theoretical and practical applications in corrosion mitigation and material preservation.