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Defects in lithium-ion battery coating originate from three main parts: the coating slurry, the coating window, and the coating drying process. In the slurry preparation process, incomplete dispersion introduces agglomerated particles; insufficient iron removal filtration introduces metal debris; and incomplete vacuum deaeration leaves behind numerous bubbles. Corresponding coating defects include...
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On the production frontlines of lithium battery slurry mixing, coating, and subsequent assembly, slurry sedimentation, gelation (jelly-like consistency), and coating head blockages are three persistent "ailments" that trouble process engineers. These issues can further trigger chain reactions like electrode cracking, film delamination, and battery deformation. Such instabilities not only lead to p...
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