Meet the editor

Prof. Dr. Ahmed M.A. Nahhas received a Ph.D. in Electrical Engineering (Electronics) from the University of Pittsburgh, USA, in 2001. He served in many prestigious leadership positions, including the dean of the College of Engineering, department head, and vice dean. He is currently a full professor in the Department of Electrical Engineering, the College of Engineering and Islamic Architecture, Umm Al-Qura University, Saudi

Arabia. He has reviewed several academic articles and dissertations in electrical engineering, electronics, and communications engineering. His current research interests include developing new photonic and electronic devices at nanoscales involving various functional materials, such as wide-bandgap semiconductors, nanostructured materials, and fabrication of ZnO and GaN optical devices. Prof. Dr. Nahhas received his first patent in 2016 and is an official reviewer of several international journals.

Akii Ibhadode is a Distinguished Professor of Manufacturing Engineering and former Shell Professor of Lightweight Automobile Engine Development. Previously, he was the vice-chancellor of the Federal University of Petroleum Resources, Nigeria. He has a BSc, MEng, and PhD in Mechanical Engineering. He has pioneered research leading to patents and industrial products. He was the winner of the Nigeria Prize for Science in 2010

and the winner of the Edwin Walker Prize of the Institution of Mechanical Engineers, UK, in 1988. He has supervised more than 100 MSc and Ph.D. students. He is a fellow of many professional societies and editor-in-chief of the *International Journal of Engineering Research in Africa* (JERA) published by Trans Tech Publications, Switzerland, which he founded in 2009.

## Contents



Preface

This book provides an overview of recent progress in renewable energy materials and devices. Various forms of renewable energy, such as solar, water, and wind, have garnered significant research attention due to their potential applications. These sources have emerged as primary contenders for various uses. When compared to traditional energy sources, renewable energy offers numerous advantages and possibilities. The book comprises 11 chapters, each focusing on distinct aspects. The introductory chapter sets the stage, followed by chapters two to four which delve into devices. Chapters five and six concentrate on materials, while chapters seven and eight explore biofuels. Lastly, chapters

**Ahmed Nahhas**

Umm Al Qura University, Makkah, Saudi Arabia

> University of Benin, Benin City, Nigeria

**Akaehomen O. Akii Ibhadode**

Department of Electrical Engineering,

Department of Production Engineering,

College of Engineering and Islamic Architecture,

nine through eleven examine microgrids.
