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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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Ⅰ. Performance Advantages and Challenges of Silicon-Carbon Anode Materials (1) Electrochemical Characteristics of Silicon In lithium-ion battery anode research, silicon attracts significant attention due to its extremely high theoretical specific capacity. Upon full lithiation, silicon can form alloys with a specific capacity reaching 4200 mAh/g, nearly ten times that of conventional graphite. Thi...
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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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