Battery electrode materials is an academic research field dedicated to the investigation of the composition, structure, properties, and electrochemical behavior of the active substances comprising the electrodes (anodes and cathodes) in energy storage devices such as batteries. This domain critically examines material synthesis, characterization, performance metrics like energy density, power capability, and cycle life, and degradation mechanisms, aiming to develop advanced materials essential for improving battery efficiency, durability, safety, and cost, thereby driving progress in portable electronics, electric vehicles, and grid-scale energy storage applications.