Patent ID: 9023130
Filing Date: 2015-05-05
Classification: C22B,H01M,Y02E,Y02P,Y02W

Abstract:
1. A method for separating a positive-pole active substance from a positive-electrode substrate, the method comprising: forming a slurry containing the positive-pole active substance by at least (i) adding an alkaline solution to a positive-electrode material including the positive-pole active substance adhered to the positive-electrode substrate, the positive-electrode material obtained from material resulting from dismantling a lithium ion battery, and (ii) dissolving the positive-electrode substrate in the alkaline solution; and separating the positive-pole active substance from the alkaline solution by at least adding a surfactant solution to the slurry, and stirring the slurry to disperse the positive-pole active substance in the slurry.