The Lithium Battery Material Rotary Kiln operates as a specialized thermal equipment to heat and polish lithium components applied in lithium-ion batteries. A Lithium Battery Material Rotary Kiln functions is an essential unit for treating lithium carbonate, lithium hydroxide and related battery cathode/anode components to achieve both maximum purity and ideal electrochemical behaviors. Controlled temperature alongside specific atmosphere and rotational speed inside the rotary kiln allows the vessel to provide uniform heating combined with phase transformation to remove unwanted impurity in raw materials. The treatment optimizes battery materials on two levels because it enhances stability and conductivity as well as achieves optimal application efficiency.