This book focuses on the use of non-noble nanoparticles as catalysts for eco-friendly power generation. With a growing demand for renewable energy and the need to reduce carbon emissions, the book highlights the potential of sustainable energy solutions and explores the role of non-noble nanoparticles in achieving this goal. The book discusses various topics related to power generation and renewable energy such as fuel cells, solar cells, wind turbines, and energy efficiency. It explains how non-noble nanoparticles can serve as cost-effective and platinum-free catalysts in eco-friendly power generation. The author also discusses the significance of nanotechnology and the catalytic activity of nanoparticles, along with their surface area, chemical stability, and durability. Moreover, the book sheds light on electrocatalysis, photocatalysis, and electrochemical reactions, and their applications in water splitting and hydrogen production. It also explains the use of carbon nanotubes and graphene as semiconductor materials and their role in electron transfer, oxidation, and reduction. The author further highlights the importance of electroactive species and electrocatalysts, photovoltaics, photoelectrochemical cells, and electrochemical sensors in environmental protection. The book promotes the use of green chemistry and renewable resources in achieving sustainable development and reducing carbon footprint. With its in-depth analysis and coverage of various topics related to eco-friendly power generation, this book is a valuable resource for researchers, students, and professionals in the field of energy materials and electrochemistry.