Ultrasonic homogenizers leverage ultrasonic cavitation effect to generate instantaneous high temperature, high pressure and high-speed micro-jets, effectively breaking hard agglomerates of lithium battery powders and achieving micro-uniform mixing at the nanoscale, which has become essential equipment for lithium cathode/anode powder treatment, conductive agent dispersion, slurry preparation and waste powder recycling. For cathode materials including lithium iron phosphate (LFP), NCM ternary materials and lithium manganate, ultrasonic homogenization disperses clustered particles, narrows particle size distribution, improves electrolyte wettability and optimizes lithium ion intercalation channels; meanwhile it enables even carbon coating modification and uniform distribution of PVDF binder, reducing coating defects of electrode sheets. In anode processing for natural graphite, artificial graphite and silicon-carbon composite powder, ultrasonic vibration exfoliates stacked graphite layers and isolates nano-silicon particles evenly, relieving volume expansion stress during charge and discharge and greatly boosting battery cycle life and fast-charging capacity. It solves the stubborn agglomeration of carbon nanotubes and graphene conductive agents that traditional stirring cannot eliminate, forming complete conductive networks, lowering internal resistance and enhancing batch consistency of battery cells. In water-based graphite slurries with CMC/SBR binders, ultrasonic homogenization accomplishes mixing and defoaming simultaneously to cut pinhole defects on electrodes without extra defoaming additives. Besides mass production pulping, this device supports lab research of new lithium materials, homogeneous synthesis of precursor powders, as well as wet separation of recycled black mass from retired lithium batteries by stripping adhesives and separating graphite from lithium oxide powder. Compared with planetary mixers, ultrasonic homogenization shortens pulping time by 40%–60%, requires less conductive additives, adapts to both oil-based NMP and water-based slurry systems, and can be installed as an online circulating auxiliary system for existing production lines. Strict temperature control between 25°C and 35°C avoids degradation of binders, and adjustable ultrasonic power matches diverse powder materials to prevent over-crushing of particles or damage to nano conductive materials. This equipment widely serves consumer lithium batteries, power vehicle batteries, energy storage batteries, solid-state battery development and lithium battery material recycling industries.