This is a three-roll transfer coating machine that can perform continuous or intermittent coating. It is conveniently used for surface coating processes on various substrates. Especially used in the lithium-ion battery industry, this equipment is designed to be convenient for researchers to use while meeting the requirements of coating accuracy. It has excellent drying effects and is ideal for lithium-ion batteries, supercapacitors, nickel batteries, and the development of secondary batteries.
SPECIFICATIONS
| Suitable system | Coating process for positive and negative electrode sheets of ternary, lithium iron phosphate, lithium cobalt oxide, lithium manganate, graphite, silicon carbon and other system batteries |
| Coating method | Coating process for positive and negative electrode sheets of ternary, lithium iron phosphate, lithium cobalt oxide, lithium manganate, graphite, silicon carbon, and other system batteries |
| Oven sections | 1 section, 1-meter-long oven |
| Coating speed | 0 ~ 0.5m/min adjustable |
| Operation base materials thickness | Aluminum foil (Al): 8～30um Copper foil (Cu): 8～30um |
| Roller surface design width | 330 mm |
| Coating width | Within 280mm |
| Coating roller and rubber roller | Φ120mm |
| Squeegee roller | Φ80mm |
| Coating accuracy | ±2um |
| Weight accuracy of double-sided coating (mg/cm2) | Coating center value ±1.0% |
| Suitable slurry viscosity | 2000~12000 (mPas) |
| Single-sided coating dry thickness range | 20-200μm |
| Solvent characteristics | Oily solvent NMP (sg=1.033, bp=204℃) Aqueous solvent H2 O/NMP (sg=1.000, bp=100℃) |
| Suitable solid content range | 20~85% |
| Positioning accuracy of front and back faces (mm) | L ≤ ±1 , W ≤ ±0.5 (L: Length direction, W: Width direction) |
| Coating size accuracy (mm) | L ≤ ±1 , W ≤ ±0.5 |