Method for extracting lithium from waste lithium ion battery to produce battery electrode lithium carbonate

The invention discloses a method for extracting lithium from a waste lithium ion battery to produce battery electrode lithium carbonate, and relates to the technical field of waste battery lithium carbonate extraction.The method comprises an extraction assembly, a moving assembly is installed at the top of the extraction assembly, and a clamping assembly is connected to the inner side of the moving assembly; the cutting assembly is installed at the top of the extracting assembly, the clamping frame is installed in the middle of the clamping assembly, the two lifting air cylinders are installed at the top of the clamping frame, the connecting plate is installed at the bottoms of the lifting air cylinders, the clamping rails are arranged on the two sides of the connecting plate, and the clamping plates are installed at the bottoms of the clamping rails. A plurality of clamping blocks are evenly distributed on the side face of the clamping plate. According to the method for extracting lithium from the waste lith