Fundamentals of Electrochemistry

The chapter “Fundamentals of Electrochemistry” provides a comprehensive overview of the core principles governing electrochemical processes. It begins with an introduction to electrochemical processes, laying the groundwork for understanding the underlying mechanisms. Subsequently, the chapter delves into electrochemical thermodynamics and kinetics, elucidating the driving forces and rate-determining steps of electrochemical reactions. Charge transfer mechanisms are then explored, focusing on the pathways through which electrons and ions migrate within electrochemical systems. Electrochemical cell configurations are discussed, highlighting the various setups employed in experimental studies and practical applications. Furthermore, the chapter examines the principles of light absorption and charge transfer, underscoring the role of light in initiating electrochemical reactions. Finally, electrochemical reactions induced by light are investigated, showcasing the diverse range of photo electrochemical processes and their applications in energy conversion and sensing technologies. Overall, this chapter serves as a foundational resource for understanding the fundamental concepts and mechanisms that underpin electrochemistry.