This course begins with an exploration of modern energy storage technology categories and principles, introducing the basic principles of different energy storage technologies and the construction of energy storage devices. It also delves into the specific applications of various energy storage technologies in the field of energy, analyzing the advantages and limitations of these technologies. The course discusses the development trends and prospects of future energy storage technologies in the context of carbon neutrality goals. Through classroom time and course presentations, the course reinforces theoretical knowledge and aims to cultivate students' practical and communication skills, as well as their ability to creatively solve problems.