This product is a lithium-rich manganese-based precursor in hydroxyl form, specifically designed for the synthesis of advanced cathode materials for lithium-ion batteries. With a chemical composition of Ni₀.₂₅₂₁Mn₀.₇₄₇₉(OH)₂, it is produced via a hydroxide coprecipitation method, ensuring uniform particle morphology and composition. As a precursor, it does not contain lithium ions and therefore lacks inherent electrochemical properties such as specific capacity or efficiency. Its value lies in serving as a starting material for final cathode preparation, where lithium salts and additives are incorporated through a sintering process. The electrochemical performance of the resulting cathode depends on the mixing ratio, sintering conditions, and other processing parameters. This precursor is commonly used in research and development settings for exploring high-energy-density lithium-rich manganese-based cathode systems, making it a practical choice for materials scientists working on next-generation battery technologies.