Cathode & Anode Slurry Mixing and Coating Processes

Applications：Ternary cathode / lithium iron phosphate cathode, graphite anode slurry, binders, NMP solvent.

Slurry Discharging & Circulation：Sanitary bag filters and basket filters.

High-Precision Fine Filtration：Pleated filter cartridges, high-flow melt-blown filter cartridges

Common Filtration Ratings：Gradient filtration at 20 μm, 10 μm and 5 μm.

NMP Recovery Liquid：Special solvent-resistant filtration for impurity removal and liquid recycling.

Filtration for Electrolyte and Solvent Systems

Applications：Lithium battery electrolyte, carbonate solvents, lithium hexafluorophosphate, additives.

Equipment & Consumables：Precision cartridge filters equipped with low-extractable PTFE / PP filter cartridges.

Terminal precision filtration at 0.22 μm and 0.45 μm for sterilization and microparticle removal.

Fully sealed 316L sanitary structure to isolate air and water vapor and prevent moisture contamination.

Ultrapure Water for Lithium Battery Manufacturing Processes

Applications：Raw material cleaning, workshop process water, equipment cooling, batching water.

Water Treatment Flow：Multimedia filtration → activated carbon filtration → water softening → RO Reverse Osmosis → EDI → terminal precision security filtration

Function：Remove sediment, colloids, microorganisms and metal ions to meet battery-grade ultrapure water standards.

Electrode Sheet Cleaning & Solvent Recovery Filtration

Applications：Post-calendering cleaning, waste NMP recovery, ethanol & organic solvent circulation.

Supporting Treatment：Three-stage filtration of compressed air and nitrogen for water, oil and dust removal.

Value：Realize recycling of solvents, reduce production costs and meet environmental protection requirements.

Commonly Used Equipment

Sanitary bag filters (preferred for slurry treatment)

Precision security cartridge filters (for electrolyte, ultrapure water and liquid chemicals)

Basket filters / self-cleaning filters (for circulating water and high-flow coarse filtration)

High-purity inline gas pipeline filters

Acid & alkali resistant plastic filters (for waste liquid and corrosive solvents)

HEPA high-efficiency air filters and FFU fan filter units