Lithium-ion batteries are devices that convert and deintercalate between the positive and negative materials by lithium ions to realize mutual conversion of chemical energy and electrical energy, and are also described as rocking chair batteries.

The cathode material has always been the core of the lithium-ion battery, and its choice directly determines the performance of the battery. The choice of cathode material is mainly reversible lithium and lithium intercalation transition metal oxide, which is one of the important components of lithium ion batteries. Lithium ion cathode materials are mainly oxides. At present, lithium compounds such as LiCoO2, LiMn2O4 and LiFePO4 are common cathode materials.

With the continuous development of lithium-ion batteries, the application field is gradually expanding. It has changed from singularization to diversification in the use of cathode materials, including: olivine-type lithium iron phosphate, layered cobalt acid. Lithium, spinel type lithium manganate, etc., to achieve the coexistence of a variety of materials.

Lithium battery cathode materials have many industrial production processes, and the synthetic route is relatively complicated. The temperature, environment and impurity content are also strictly controlled. The cathode materials mainly include lithium cobaltate, lithium manganate, lithium iron phosphate and ternary materials. Wait.