Waste lithium cobalt oxide battery positive electrode material recovery system and method

The invention discloses a waste lithium cobalt oxide battery positive electrode material recovery system and method, and belongs to the technical field of waste lithium cobalt oxide battery recovery. Comprising chemical leaching equipment for dissolving and releasing a battery positive electrode material, a flowing electrode capacitive deionization device for separating lithium ions and cobalt ions in a dissolved and released solution to obtain a lithium-rich solution, and a membrane distillation device for concentrating and purifying the lithium-rich solution to obtain a lithium-rich concentrated solution, which are connected in sequence. According to the method, the ion separation rate and the ion separation coefficient of the system are improved, good product purity and yield of the waste lithium cobalt oxide battery positive electrode material are ensured under the condition of low energy consumption, closed loop of material circulation is realized, and the method has good energy-saving and emission-reduc