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Intermittent lab coating machine with three-roll transfer for continuous/intermittent coating.

Coating width up to 300mm, suitable viscosity 2000–12000 cps, intermittent length ≥5mm.

PLC control, touch screen, hot-air oven.

Ideal for Li-ion, supercapacitor, and nickel battery R&D.

Description
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Description

Intermittent Lab Coating Machine – Three-Roll Transfer Coater for Lithium Battery Electrodes

The Intermittent Lab Coating Machine is a versatile three-roll transfer coating system designed for both continuous and intermittent coating applications. It is particularly well-suited for the lithium-ion battery industry, enabling researchers to achieve coating accuracy and consistency comparable to production-scale equipment. With excellent drying performance, it is an ideal choice for R&D and small-scale trials of lithium-ion batteries, super capacitors, nickel batteries, and other secondary batteries.

Key Features:

  • Flexible Coating Modes: Freely switchable between continuous and intermittent coating patterns.
  • Precision Substrate Control: Tension control and rectifying device ensure stable web transport.
  • Efficient Drying System: Hot-air oven with top and bottom blowing for uniform drying.
  • Wide Coating Window: Three-roll transfer design accommodates various slurry viscosities and coating weights.
  • High Accuracy Metering: Comma scraper with precision adjustment mechanism for coating thickness control.
  • User-Friendly Operation: PLC control with touch screen interface for easy parameter setting.
  • Optional Solvent Recovery: Can be equipped with solvent recovery treatment units for environmental compliance.

Applications:

  • Positive and negative electrode coating for:
    • Lithium Iron Phosphate (LFP)
    • Lithium Cobalt Oxide (LCO)
    • Lithium Manganese Oxide (LMO)
    • Other lithium battery chemistries
  • Supercapacitor electrode preparation
  • Nickel battery electrode coating
  • Secondary battery R&D and small-scale trials

Technical Specifications

No.ProjectTechnical ParameterRemark
1Suitable SystemPositive and negative electrode coating process of Lithium Iron Phosphate, Lithium Cobalt, LiMnO₄, etc.
2Operating Substrate ThicknessAl: 11–30 μm / Cu: 8–30 μm
3Roll Design Width330 mm
4Guaranteed Coating WidthWithin 300 mm
5Equipment Mechanical Running Speed1 m/min
6Equipment Coating Speed0.3 m/minDepending on drying conditions
7Suitable Viscosity of Slurry2000 – 12000 cps
8Single Side Coating Dry Thickness Range50 – 150 μm
9Minimum Intermittent Length5 mm
10Multistage Minimum Coating Length20 mm
11Solvent PropertiesNMP (s.g.=1.033, b.p.=204°C) / H₂O (s.g.=1.000, b.p.=100°C)
12Suitable Solid ContentCathode: 60% ±5% / Anode: 50% ±5% (PVDF system) / 50% ±5% (SBR system)
13Proportion (density)Cathode: 1.5–2.5 g/cm²? (unit unclear) / Anode: 1–1.8 g/cm²?Please verify units
14Coating ModeBilayer front and back: 3 different spaced intermittent transfer coating / second side automatic tracking / continuous transfer coating
15Base Material Running DirectionForward coating, substrate positive, reverse empty foil operation

About Us

Lithium battery equipment factory display
OUR battery equipment's PROJECT
Lithium battery equipment factory work scenario
Lithium battery equipment installation scenario
Certificates:Integrated gas purifier system and PLC controller
used for keeping inert gases by recirculation

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