CPC H01M 10/54 (2013.01) [C22B 7/005 (2013.01)] | 4 Claims |
1. A recovery method for a lithium battery slurry, comprising:
S1: roughly crushing a waste lithium battery slurry containing NMP, and then ball milling to obtain a ball milled slurry;
S2: sieving the ball milled slurry, and adjusting a pH value of the slurry passed through the sieve; wherein the pH value is adjusted to a range of 7.0 to 8.0;
S3: centrifugal spray-drying the pH-adjusted slurry to obtain a solid powder, and condensing and purifying the gas-phase NMP; wherein the centrifugal spray-drying is performed at a temperature of 150° C. to 300° C.
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