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---Lithium Battery Composite Current Collector
Using a "PVD copper-polymer support layer-PVD copper" sandwich structure, this machine can achieve double-sided copper coating on PET/PP plastic films with a thickness of 3.0–4.5μm and width of 600–1650mm by magnetron sputtering technology. The copper film is 20–70nm thick with a sheet resistance of around 0.5–2Ω.
The film is then further thickened to 1µm through chemical plating, replacing 4.5–9µm electrolytic copper foil with 6–8µm composite copper foil.
Key Features of Composite Copper Foil Roll to Roll Vacuum Coating Machine
Minimal facility footprint
Roll path optimization
Low tension control
Low-temperature sputtering process
Patent cooling technology for coating rollers
Special substrate flattening effect
| Project | Specification |
| Coating Technology | magnetron sputtering |
| Coating Method | Double-sided copper coating in one step |
| Substrate | 3~4.5μm PET/PP |
| Width | 600/1250/1350/1650mm |
| Process Speed | 0.5~30m/min |
| Production Capacity (90% utilization) | 12 million square meters/year (11.86 million square meters/1GW·h) |
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