Advancements in Graphite Anodes for Lithium‐Ion and Sodium‐Ion Batteries: A Review

Abstract Amidst the escalating global energy demand and the rapid advancement of renewable energy technologies, battery technology plays an indispensable role in energy storage. As a crucial anode material, Graphite enhances performance with significant economic and environmental benefits. This review provides an overview of recent advancements in the modification techniques for graphite materials utilized in lithium‐ion and sodium‐ion batteries. This review initially presents various modification approaches for graphite materials in lithium‐ion batteries, such as electrolyte modification, interfacial engineering, purification and morphological modification, composite modification, surface modification, and structural modification, while also addressing the applications and challenges of graphite anode materials in this context. Subsequently, it focuses on the modification methods for graphite anode materials in sodium‐ion batteries, including composite material modification, electrolyte optimization, surface modification, and structural modification, along with their respective applications and challenges. It then compares the modification strategies across different battery systems and proposes innovative modification methods and alternative materials for future graphite anode materials to further enhance their performance in batteries. Finally, the review concludes with a summary of the significance of researching graphite anode material modifications and offers perspectives on future developments.