Laboratory Coating Machine
Lithium Ion Battery Electrode Transfer Coating Machine Roll to Roll Slurry Coater
Item Number : TB30
Price varies based on specs and customizations
- Roller Surface Width
- 400 mm
- Maximum Mechanical Speed
- 3 m/min
- Maximum Oven Temperature
- 140°C
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Product Overview
This continuous roll-to-roll transfer coating machine is an industrial-grade manufacturing solution engineered specifically for high-precision deposition of battery electrode slurries onto metallic current collector foils. Designed to process both cathode and anode materials, the equipment integrates unwinding, high-accuracy transfer coating, multi-zone thermal drying, precision traction, and synchronized rewinding into a single automated platform. By establishing tight mechanical and fluid dynamic control over the wet film formation process, this system ensures exceptional uniformity in coating thickness, mass loading, and edge definition.
Built for advanced energy storage R&D facilities, pilot-scale fabrication plants, and specialized commercial cell production lines, the machinery accommodates copper, aluminum, and alternative continuous substrate webs up to 400 mm in roll surface width. Its robust mechanical architecture and closed-loop electrical control eliminate edge bead defects, pinholes, and substrate wrinkling, ensuring that active electrode materials meet stringent electrical and volumetric density specifications.
Manufactured with heavy-duty structural components and precision-ground rollers, the unit delivers consistent operational uptime under rigorous production schedules. The integrated single-deck electric drying tunnel rapidly evaporates solvents while preventing micro-cracking and binder migration, yielding robust, well-adhered electrode layers ready for downstream calendering, slitting, and cell assembly operations.
Key Features
- Precision Transfer Coating Head: Engineered with ultra-precise transfer and metering rollers that deliver micron-level slurry layer thickness uniformity across the entire 400 mm working width, preventing active material pooling and edge defects.
- Synchronized Tension-Controlled Unwinding and Rewinding: Handles continuous material reels up to 100 kg and φ200 mm diameter with active web guidance, preventing web stretching, wrinkling, or substrate tearing on delicate copper and aluminum foils.
- Integrated 2-Meter Single-Deck Convection Oven: Features an efficient electric heating architecture providing steady, uniform thermal distribution up to 140°C to ensure thorough solvent evaporation without inducing film delamination or binder segregation.
- High-Versatility Core Mounting: Fully compatible with standard 3-inch (76.2 mm) internal diameter cores up to 450 mm long across multiple core materials including ABS plastic, metal, and heavy-duty industrial paperboard.
- Stable Web Traction Drive: Delivers smooth mechanical drive speeds up to 3 m/min under no-load and continuous web engagement, ensuring stable linear throughput and repeatable continuous coating runs.
- Centralized Industrial Electrical Control: Integrates precision drive synchronization, continuous temperature monitoring, and intuitive operator interfaces to allow rapid parameter tuning and high batch-to-batch repeatability.
- Heavy-Duty Rigid Frame Architecture: Built with vibration-damped structural steel and corrosion-resistant roller surfaces that withstand continuous industrial operation and aggressive organic solvent exposure.
Applications
| Application | Description | Key Benefit |
|---|---|---|
| Lithium-Ion Cathode Fabrication | Precision transfer coating of high-viscosity cathode slurries (NMC, LFP, LCO, NCA) onto continuous aluminum current collector foils. | Maintains homogeneous areal loading and prevents binder migration during thermal drying, maximizing energy density. |
| Lithium-Ion Anode Fabrication | High-uniformity coating of graphite, silicon-carbon, or hard carbon slurries onto thin copper foil substrates. | Eliminates pinholes and surface irregularities, ensuring stable SEI formation and long cycle life. |
| Solid-State Battery R&D | Roll-to-roll deposition of composite solid electrolyte slurries and dry-film precursors onto carrier films or treated electrodes. | Provides tight thickness tolerance essential for low interfacial resistance in solid-state cell architectures. |
| Supercapacitor Electrode Coating | Deposition of high-surface-area activated carbon slurry onto etched aluminum foils for electric double-layer capacitors (EDLC). | Ensures deep mechanical interlocking and low internal resistance (ESR) through uniform web drying. |
| Sodium-Ion Battery Production | Continuous slurry application for hard carbon anodes and Prussian blue or transition metal oxide cathodes onto aluminum collectors. | Adapts seamlessly to diverse solvent chemistries and rheological profiles without requiring hardware modifications. |
| Advanced Pilot-Scale Cell Manufacturing | Rapid prototyping and pilot validation of novel binder formulations, conductive additives, and specialized battery chemistries. | Minimizes raw material waste with rapid roll-change capability and precise web handling during short test runs. |
Technical Specifications
| Parameter Category | Specification Details (TB30) |
|---|---|
| Product Model Identifier | TB30 |
| Roller Surface Width | 400 mm |
| Mechanical Speed (No-Load) | Max. 3 m/min |
| Unwinding Roll Diameter | Max. φ200 mm |
| Unwinding Maximum Load | Max. 100 kg |
| Unwinding Core Dimensions | Inner Diameter: 3 inches (~76.2 mm); Length: ≤ 450 mm |
| Unwinding Core Material Compatibility | Metal, ABS Plastic, Paper Core |
| Rewinding Roll Diameter | Max. φ200 mm |
| Rewinding Maximum Load | Max. 100 kg |
| Rewinding Core Dimensions | Inner Diameter: 3 inches (~76.2 mm); Length: ≤ 450 mm |
| Rewinding Core Material Compatibility | Metal, ABS Plastic, Paper Core |
| Drying Oven Architecture | Single layer, 1 Section × 2 m / section (Total Length: 2 m) |
| Drying Heating Method | High-efficiency Electric Heating |
| Maximum Oven Temperature | Max. 140°C |
| Functional Modular Sections | Unwinding Unit, Coating Head, Drying Oven, Traction Unit, Rewinding Unit, Electrical Control System |
Why Choose This Product
- Superior Coating Consistency: The precision transfer mechanism ensures exact wet and dry film thicknesses across narrow to wide web widths, directly translating into uniform electrochemical performance in finished battery cells.
- Robust Mechanical Reliability: Engineered with heavy-duty structural members, high-grade drive linkages, and precision-machined guide rollers designed for long maintenance intervals and continuous industrial operation.
- Versatile Substrate and Core Handling: Supports varying core materials and high roll payload weights up to 100 kg, allowing effortless integration with existing upstream slurry mixing and downstream calendering lines.
- Precise Thermal Management: The 2-meter electric heating tunnel delivers rapid solvent removal with controlled air flow patterns, ensuring high throughput without thermal blistering or substrate distortion.
- Complete Lifecycle Support: Backed by comprehensive technical engineering support, responsive spare parts availability, and tailored customization options to match your specific electrode chemistry and laboratory layout.
Contact our technical sales team today to request a quotation or discuss customized coating configurations for your energy storage pilot production line.
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