Cylindrical Cell Machine Line
18650 Battery Pilot Line
Pouch Cell Lab. Line
Prismatic Cell Machine Line
Hot Products
Small Battery Coating Machine for R&D Pilot-line - High Precision Supplier from China Factory
Equipment Characteristics
Various Choices of Coating Mode
Continuous coating, one gap coating, two gap coating, three gap coating, reverse overlapping coating, reverse dislocation coating.
Precision Adjustment of Rubber Roller Moving Mechanism
The imported servo motor drives the high-precision wire rod to move the rubber roller with a moving adjustment accuracy of 0.01mm (total of 2 sets).
Precision Correction Control of Whole Process
Roll correction, traction correction, collection and correction, total of 4 sets.
High Precision Constant Frequency Tension Control
Constant tension in the rewinding area, constant tension in the traction area, constant tension in the rewinding area, total of 3 sets.
Oven Circulating Air Design
Independent inverter adjustment of blower and exhaust fan in each area to minimize energy loss.
All Stainless Steel Structure
Integral stainless steel box, stainless steel heating pipe, stainless steel fan, stainless steel rack, and stainless steel sealing plate.
Alumina Roller Selection
Resistant to more than five years of wear, paired with high-quality imported roller bearings.
Powerful & Complete Control System
Includes dangerous operation protection, instant alarm prompts, and integrated fault maintenance assistance.
Specification of Equipment
| Parameter Category | Specification Details |
|---|---|
| Outline Dimension / Installation Space |
• Four box body: L 19000mm * W 1800mm * H 2100mm • Five box body: L 22000mm * W 1800mm * H 2100mm • Six box body: L 25000mm * W 1800mm * H 2100mm |
| Power Supply Configuration | AC380V Five-line system. Three-phase main line ≥16mm², zero line 10mm², ground line 6mm², total power switch 100A. |
| Compressed Gas Source | ≧0.7 MPa, 20 L/min. |
| Plant Power Capacity |
• 4-section ovens: Starting power 40KW, average operating power 22KW/H (temperature dependent). • Type selection supplement: Starting power per oven is 11KW (Heating pipe 10KW, Fan 0.75KW). |
| Normal Substrate Operating Range | 8 μm ～ 50 μm |
| Effective Coating Width | 300 mm (Length of roller and roller is 350 mm) |
| Single-Surface Coating Thickness Range | 35 μm ～ 250 μm |
| Coating Accuracy |
• Thickness: Single-sided ±2 μm, Double-sided ±3 μm • Surface Density: Single-sided ±1%, Double-sided ±1.5% |
| Effective Coating Length Range | Coating length: 20 mm ~ 9999 mm; Gap length: 5 mm ~ 9999 mm |
| Coating Length Accuracy | Coating length 0.3mm, gap length 0.3mm, average length deviation ±0.3mm, tratail length 0.5mm, coating width ±0.3mm, positive/negative alignment ±0.3mm. |
| Suitable Slurry Types | Lithium iron phosphate, lithium cobalt oxide, lithium manganese oxide, ternary and other system battery positive and negative electrode coating processes. |
| Solvent Compatibility | NMP / Aqueous group |
| Solid Content Range | 30% ~ 75% |
| Slurry Viscosity Range |
• Negative electrode: 1500 ～ 3500 Cps • Positive electrode: 6000 ～ 12000 Cps |
| Running Speed | Normal operating speed: 1 m/min ~ 2 m/min; Mechanical speed: 1 m/min ~ 15 m/min |
| Drying Temperature Range | Room temperature ~ 160°C (Deviation ±2°C), each zone independently controlled. |
| Winding & Correction Accuracy | ≤ ±0.5 mm |
Frequently Asked Questions (FAQ)
What types of battery coating modes does this equipment support?
The equipment supports multiple coating modes including continuous coating, single-gap coating, double-gap coating, triple-gap coating, reverse overlapping coating, and reverse dislocation coating.
What battery materials can be processed with this coater?
It is suitable for positive and negative electrode coating processes using Lithium Iron Phosphate (LFP), Lithium Cobalt Oxide (LCO), Lithium Manganese Oxide (LMO), ternary systems, and both NMP and aqueous solvents.
What are the installation space requirements for different box configurations?
The installation space depends on the number of box bodies: 4-box bodies require 19000mm x 1800mm x 2100mm, 5-box bodies require 22000mm x 1800mm x 2100mm, and 6-box bodies require 25000mm x 1800mm x 2100mm (L x W x H).
How accurate is the coating thickness and alignment control?
The equipment achieves high coating accuracy with single-sided thickness precision within ±2μm and double-sided precision within ±3μm. Positive and negative electrode alignment accuracy is within ±0.3mm.
How is the drying system managed for energy efficiency?
Each drying area features an independent inverter adjustment for both blower and exhaust fans, combined with an oven circulating air system to optimize heat distribution and reduce power loss.
What substrate thickness and viscosity levels are compatible?
The machine handles substrate thicknesses from 8μm to 50μm. It processes negative electrode slurries with viscosities between 1500-3500 Cps and positive electrode slurries between 6000-12000 Cps.