This book provides a detailed overview of different devices and nanomaterials for the energy storage applications. The application of major nanomaterials such as fuel cells, metal-air batteries, supercapacitors, solar cells, metal-air batteries is discussed including major challenges, case studies, historical, and future perspective.

Dr. Piyush Kumar Sonkar has received his BSc (Chemistry), MSc (Chemistry) and PhD (Chemistry) degree from Banaras Hindu University, India. He is presently working as an assistant professor in Department of Chemistry, MMV, Banaras Hindu University, Varanasi, India. His research interests include nanomaterials, nanocomposites, fuel cells, electrochemical devices, supercapacitors, biosensors, chemical sensors and new materials. He has published more than 45 international and national research papers in various reputed peer reviewed journals. He has published six book chapters. He presented his research work in various international/national seminars/workshops and conferences.

Dr. Vellaichamy Ganesan received his BSc and MSc in Chemistry from Madurai Kamaraj University and Bharathidasan University, India, respectively. Later, he received his PhD (2000) from Madurai Kamaraj University. After completing postdoctoral research in the United States and France, he is now continuing his research in the fields of nanomaterials, electroanalysis, electrocatalysis, development of fuel cell materials, and photocatalysis in the Department of Chemistry, Banaras Hindu University, India as a professor. He is a recipient of IUSSTF fellowship (India-USA), Commonwealth Fellowship (UK), and DAAD Fellowship (Germany). He has published more than 110 research papers in international/national journals.

1. Introduction: Nanomaterials for Sustainable Energy Applications. 2. Fuel cells: Engineered Nanomaterials for Improved Fuel Cell Performance and Power Generation. 3. Polyoxometalate Induced Nano-Engineered Composite Materials for Energy Storage-Part 2: Supercapacitor Applications. 4. Supercapacitor: Carbon Based Nanostructures for Supercapacitor Application. 5. Designing hollow structured materials for sustainable electrochemical energy conversion. 6. Polymer-based Nanocomposites in Energy Storage Applications. 7. Carbon Quantum Dots. 8. Mesoporous silica-based materials for energy storage applications. 9. Metal-Organic Frameworks.