Dive into the intricate realm of lithium-ion batteries (LIBs) with this comprehensive guide, beginning with an exploration of fundamental principles, operational mechanisms, and components. The narrative then explores the limitations of traditional LIBs, highlighting silicon as a potential alternative to graphite anodes. Navigating challenges posed by pure silicon anodes, the book presents innovative solutions involving structural regulation and diverse carbon nanomaterials. Structured into sections dedicated to specific Si-based hybrid materials, the book examines mechanical mixing, nitrogen-doped graphene, and carbon-coated silicon, offering in-depth analyses, meticulous experimental methods and investigations. The exploration extends to graphene quantum dots, carbon nanofibers, and carbon nanotubes, concluding with a detailed investigation of directly grown carbon nanofibers on transition metal-coated silicon and the possibilities presented by core-shell and yolk-shell silica-coated silicon with polymeric carbon coating. This meticulously crafted work is a dedication to advancing electrochemistry, serving as an invaluable resource for researchers, scholars, and industry professionals in energy storage.