K05Knowledge concept
Slurry mixing
Dispersion, viscosity, solids content, and addition order.
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Dispersion, viscosity, solids content, and addition order.
Section 01
Mixing begins with confirmed active material, conductive additive, binder, and solvent or dispersion medium. Lot, storage state, and pre-treatment of each material affect later dispersion, so records need to link incoming condition to final electrode quality.
—Record material identity and lot
—Control storage and pre-treatment
—Retain weighing and addition supporting information
Section 02
Mixer type, shear history, addition order, and time change agglomerate breakup and binder-network formation. If a lot shows local settling, gel, or bubbles, increasing speed alone does not prove resolution; material, equipment, and measurement method still need checking.
—Shear affects agglomerate state
—Order affects local concentration
—Deaeration affects coating continuity
Section 03
Solids content, viscosity, particle distribution, and other controlled attributes need correlation to coating stability, loading, and defect data. Slurry release should include sampling location, method, acceptance criteria, and deviation handling rather than one result sheet.
—Methods must be repeatable
—Deviations must be traceable
—Downstream feedback adjusts the process window
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