The book "Chemical sources of current" by A. P. Okatova is a fascinating and informative work that immerses the reader in the world of electrochemistry and energy technologies. In this work, the author not only reveals the basics of the functioning of chemical sources of current, but also offers an in-depth analysis of their role in modern society. This book will be an indispensable tool for students, graduate students and anyone interested in physics, chemistry and engineering. In the center of attention of Okatov are such key topics as the principles of operation of various types of batteries and accumulators, their design, as well as methods of increasing efficiency and durability. The author shares his knowledge about how chemical reactions are converted into electrical energy, and explains why these processes become the basis for the creation of reliable and powerful power sources. The reader will be able to learn about the latest developments in the field of battery technologies, including lithium-ion and solid-state batteries, as well as about the prospects for their use in the future. The book will be especially interesting to those who are fond of science and technology, as well as those who seek to understand how the devices that surround us in everyday life work. Students of technical and natural sciences will find here useful explanations and practical examples that will help them in their studies. Also, "Chemical sources of current" can attract the attention of engineers and specialists in the field of energy, who want to expand their knowledge of modern technologies. Writing style A. P. Okatova is distinguished by clarity and accessibility, which makes complex scientific concepts understandable even for an unprepared reader. The author skillfully combines theory with practical examples, which allows you to better assimilate the material. There are many illustrations and diagrams in the book that help to visualize the processes described, which makes reading more fascinating and informative. The topics raised in the book are more relevant than ever. In the context of global climate change and the pursuit of sustainable development, the issues of energy efficiency and the creation of environmentally friendly food sources are becoming a priority. Okatov raises important aspects related to ecology, sustainable development and innovative technologies, which makes his work not only scientific, but also socially significant. The book “Chemical sources of current” is not just a textbook, but a real find for everyone who wants to be aware of the latest trends in the field of energy. It will be an excellent addition to the library of anyone interested in science, technology and their practical application. If you are looking for literature that will help you understand how energy sources work and what prospects they open up, then this book is your ideal choice. A. P. Okatov is also known for other works in the field of physics and chemistry, which confirms his status as an expert in this field. His works are always distinguished by depth of analysis and relevance in what makes them valuable to a wide audience. Do not miss the opportunity to get acquainted with his work and discover the world of chemical sources of current - perhaps this book will be your guide to the exciting world of science and technology!