This volume includes six chapters that detail recent advancements in energy research. Chapter One describes a method for optimizing the efficiency of energy storage systems in applications like electric vehicles, thus reducing battery aging and cost of ownership. Chapter Two provides an overview of existing technologies for the production of hydrogen from biomass and discusses their pros and cons. Chapter Three addresses the main challenges, perspectives and innovations related to the use of different biomasses for the generation of clean energy through distinct thermal processes in the Brazilian Northeast. Chapter Four deals with China’s role in the expansion of nuclear energy in Latin America and the Caribbean. Chapter Five gives a rundown of the latest developments in organic-inorganic perovskite nanogenerators, such as piezoelectric and triboelectric nanogenerators. Lastly, Chapter Six explains smart grid technology for maintaining the functioning of a wind-solar electric system.