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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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The global race for the next generation of energy storage is centered on Solid-State Batteries (SSBs). While the potential for higher energy density and enhanced safety is clear, the transition from lab-scale prototypes to mass production remains a challenge. One of the most critical hurdles is ensuring perfect interface contact between solid electrolytes and electrodes. To bridge this gap, we are...
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As the global battery industry seeks alternatives to lithium-based chemistries, sodium-ion batteries have steadily moved from academic research into early-stage commercialization. Among various cathode candidates, NFPP (Na₃Fe₂(PO₄)₃) has gained increasing attention due to its balanced performance, structural stability, and supply-chain advantages. Rather than pursuing extreme energy density, NFPP ...
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Electrode slurry preparation is one of the most critical yet underestimated steps in lithium-ion and sodium-ion battery manufacturing. Problems such as particle sedimentation, agglomeration, poor dispersion uniformity, and unstable viscosity often originate at the slurry stage, but their consequences propagate downstream into coating defects, capacity inconsistency, and yield loss. This artic...
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