PTFE Membrane Filter Cartridge for Lithium Battery Industry

Product Details

PTFE Membrane Filter Cartridge for Lithium Battery Industry is a high‑efficiency, anti‑static, and easy‑to‑clean filtration element specially developed for ultra‑fine, flammable and explosive dust (cathode/anode materials, graphite, metal particles, etc.) generated during lithium‑ion battery manufacturing. It matches pulse dust collection and powder recovery systems, balancing explosion protection and service life.

Material & Structure

Filter Media: Polyester filament substrate + PTFE micro‑porous membrane; surface filtration structure, no dust embedding, easy cleaning. PTFE membrane pore size: 0.1–0.3μm, no fiber shedding, low metal ion precipitation.

Anti‑static Layer: Conductive fiber blended or conductive film coated; surface resistance 10⁶–10⁸Ω, fast static dissipation, meets explosion‑proof requirements.

Core & End Caps: 304/316 stainless steel, corrosion‑resistant, no metal chip contamination; anti‑static plastic end caps optional.

Gasket: Fluororubber (FKM)/silicone, electrolyte‑resistant, operating temp. −20℃ to 120℃, reliable sealing.

Key Performance

Filtration Efficiency: ≥99.99% @ 0.3μm particles (MERV 16); captures sub‑micron cathode/anode dust; outlet concentration ≤0.1mg/m³.

Surface Filtration: Dust deposits only on membrane surface; excellent pulse‑jet cleaning, stable pressure drop, extended service life.

Chemical Compatibility: Resists electrolyte solvents, acidic & alkaline dust; no swelling or aging in long‑term use.

Temperature & Pressure Resistance: Continuous operating temp. ≤90℃, short‑term up to 120℃; suitable for pulse pressure 0.4–0.6MPa.

Low Resistance & High Flow: Smooth, hydrophobic membrane; initial pressure drop ≤150Pa, high air flow, low energy consumption.

Applications in Lithium Battery Industry

Dust recovery for mixing, sieving, jet milling of cathode/anode materials

Dust collection for coating, rolling, slitting, laser welding of electrode sheets

Mist and fine dust purification in electrolyte workshops

Compatible with pulse dust collectors, vacuum feeders, central dust extraction systems

Specifications & Selection

Dimensions: Φ325×660/900mm, Φ350×660/1000mm (customizable)

Connections: 220/240mm flange, 6‑lug quick‑release, single/open end, double/open end

Ratings: 0.1μm (high‑efficiency), 0.3μm (standard), 0.5μm (economy)

Quality & Packaging

100% leak detection and anti‑static testing per cartridge; produced in cleanroom

Moisture‑proof & dust‑proof individual packaging with certificate and traceability code