This book is part of a 2 volume book series that provides current, state-of-the-art knowledge, fundamentals of electrochemistry, design strategies, and future challenges in carbon-based materials for electrochemical energy production and storage devices. The key goals for nanocarbons based electrochemical devices are to provide safe operation, sustainability, high energy and power density, long working life, and reduced cost. This book describes the fundamentals and working principles of nanocarbons for basic to advanced applications for energy storage devices such as photovoltaics, electrocatalyst, and fuel cells. The book is written by leading experts in these areas making this a suitable textbook for students and providing new directions to researchers and scientists working in science and technology areas.