Textbook in PDF format In light of current trends, both practical and theoretical knowledge of supercapacitors is essential for industrial applications and academic research. While numerous publications and books have explored electrochemical processes and supercapacitor technologies, this book offers a uniquely comprehensive perspective. It bridges the gap between universal electrochemical principles, the electric double-layer, and pseudocapacitance. Designed to be accessible to readers from diverse backgrounds, the book provides in-depth knowledge that can be applied to the development of supercapacitors across various scales—from macro to nanoscale—addressing urgent needs in both academia and industry. It thoroughly covers the fundamental concepts of supercapacitors and the advancements made in this field, presenting them in their various forms. Key Features: Covers the fundamental concepts of supercapacitors and the current advances in the field Links the fundamentals to the advances and the technological aspects of performance enhancement of supercapacitors Covers the concepts of the electrochemical double-layer, electrostatic and electrolytic capacitors and their electronics, electrode processes and materials aspects Includes hybrid supercapacitors, micro-supercapacitors, quantum supercapacitors and self-powered supercapacitors Discusses applications including electric vehicles, power electronics, portable energy sources, renewable energy sources and power converters, and medical, military and aerospace applications Preface Acknowledgments Author biography Concept of the electrochemical double layer Concepts of electric capacitors and electrolytic capacitors Concepts of electrochemical processes Supercapacitor concepts Materials for supercapacitors Hybrid supercapacitors Microsupercapacitors Self-powered supercapacitors and batteries Applications of supercapacitor