Cathode material precursor preparation device

The utility model relates to the technical field of lithium ion battery positive electrode materials, and discloses a positive electrode material precursor preparation device (10) which comprises a reaction unit (12) and a filtering unit (14) communicated with the reaction unit, the reaction unit is arranged to be capable of receiving reaction feed liquid and enabling the reaction feed liquid to generate slurry containing a positive electrode material precursor; and the filtering unit is arranged to be capable of receiving the slurry discharged by the reaction unit and discharging the filteredslurry into the reaction unit. The device for preparing the positive electrode material precursor can improve the production efficiency of preparing the positive electrode material precursor and thesphericity of the positive electrode material precursor. 本实用新型涉及锂离子电池正极材料技术领域，公开了正极材料前驱体制备装置，所述正极材料前驱体制备装置(10)包括反应单元(12)和与所述反应单元相连通的过滤单元(14)，反应单元设置为能够接收反应料液并使得所述反应料液生成含有正极材料前驱体的浆料；过滤单元设置为能够接收由所述反应单元排出的浆料并将过滤后的浆料排入反应单元中。该正极材料前驱