Description
Slurry coating refers to the process of uniformly applying a paste-like polymer, molten polymer, or polymer solution onto a substrate (typically metal foils such as copper or aluminum in lithium batteries) to form composite films or electrode sheets. For lithium-ion batteries, the coating process is one of the key steps in electrode manufacturing.
Product Overview
The experimental coating machine is a three-roll transfer coating device designed for surface coating processes on various substrates. It is particularly suited for the lithium-ion battery industry, offering precision and consistency comparable to production-grade equipment while maintaining ease of use for researchers. With excellent drying performance, it is an ideal choice for R&D and certification in lithium-ion batteries, supercapacitors, nickel-based batteries, and other secondary batteries.
Key Features
- Substrate tension control for stable web handling, equipped with a deviation correction system.
- Hot-air drying oven with dual-sided airflow for superior drying results.
- Three-roll transfer coating with a wide coating window.
- Adjustable blade metering paired with precision tuning mechanisms for high coating accuracy.
- PLC control and touchscreen operation for user-friendly experience.
- Optional solvent recovery system (customizable).
| Coating Method | Three-roll transfer continuous coating | Tension Control | Max 60N (adjustable) |
| Roller Width | 330mm | Display Precision | 1μm |
| Coating Width | Max 300mm | Drying Temperature | RT–120°C (adjustable) |
| Mechanical Speed | Max 900mm/min | Drying Unit | Standard hot-air drying |
| Coating Accuracy | ±3μm (edge deviation ±5μm) | Compressed Air | 0.5–0.7MPa |
| Coating Thickness | 40–200μm (depends on slurry) | Power Supply | 3-phase 380V/50Hz |
| Thickness Adjustment | Manual free-tuning | Max Power Consumption | 5kW |
| Roll Diameter | Φ250mm | Dimensions | 1800×1200×1200mm |
| Winding Accuracy | ±0.5mm | Weight | ~1 ton |
Key Terms:
Slurry : Paste-like mixture for electrode coating.
Three-roll transfer: Coating method using three rollers for precise material application.
Hot-air drying oven : Drying system with controlled airflow.
Deviation correction: Mechanism to align substrate during coating.
PLC control : Automated control via programmable logic controller.
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