**Preface**

Recently, there have been remarkable advancements in the field of energy materials, especially for energy conversion and storage. The development of nanomaterials has been the main driver of these advancements. Nanomaterials have shown great potential in enhancing the performance and efficiency of various energy-related systems due to their unique properties and tailored structures at the nanoscale. This book presents a collection of research studies that explore the exciting developments and applications of nanomaterials in energy-related systems. The book covers various aspects from the material level to the device level. It presents a detailed description of the structural and compositional characteristics of the used nanomaterials. In addition, it includes diverse methodologies, either based on experimental measurements or based on molecular dynamic simulations. For experimental measurements, different properties are evaluated, such as electrical, thermal, dielectric, and electrochemical properties. Overall, the book serves as a valuable resource for researchers, scientists, and engineers involved in the fields of energy-related systems and nanotechnology.

> **Eleftheria C. Pyrgioti, Ioannis F. Gonos, and Diaa-Eldin A. Mansour** *Editors*
