ECS-SM Slot Die Coater with Heating Vacuum Bed (L360*W250 mm, 100℃), ESMSDCHVB

For high-precision laboratory coating, a slot-die coater paired with a heated vacuum bed offers the most advanced control over film uniformity and drying kinetics. Unlike a doctor blade, a slot-die head is a closed system, which prevents solvent evaporation during the process and allows for a "pre-metered" coating where the thickness is determined by the pump's flow rate rather than a mechanical gap.

The key advantages for slot die coating: (1) Zero-Waste Coating: The closed-head design of a slot-die ensures that almost 100% of your slurry is deposited onto the substrate, which is vital when working with expensive materials like specialized catalysts or solid-state electrolytes. (2) Precision Drying: The vacuum bed prevents the substrate from warping under the heat of the IR or convection dryer, maintaining a perfectly flat plane for the slot-die head to glide over (typically at a height of 10-100µm). (3) Scalability: Because slot-die coating is a flow-rate-dependent process, the parameters you develop on these lab-scale heated beds can be directly translated to industrial production lines.

Part Number	ESMSDCHVB (ESM-SDCHVB)
Power	AC110-220V±10%, single phase, 50/60Hz, 500 W  A DC24V converter is included
Coating Area	The whole vacuum bed area is L360*W250mm, which enable the effective coating area of L300mm * W200 mm with included slot die head
Coating Speed	0.05-20 mm/s
Bottom Heating Temperature	Max. 100 ℃ (single-point control)
Slot Die Head	A slot die head with a 200 mm width is included Four pieces of shims, such as 0.1, 0.2, 0.3, 0.4 mm are included The coating width within 200 mm can be realized by customized the opening mouth of the shims.  Inside channel volume is around 8.0 mL The gap between the slot die tip and vacuum bed can be adjusted in 0-5 mm by rotating the digital gauges (resolution:1 um)
Slurry Feeding Pump	One 60 mL stainless steel syringe with a plastic plunger is included., which can be mounted at the side.              Slurry feeding speed: 0.1-1.5 mm/s
Vacuum Pump	A small vacuum pump is built-in for sucking the coating substrates
Upgrade Version (Optional)	For melting-slot die extrusion process, such as polymer-based solid-state electrolyte, the feed syringe and slot die head with heating jacket (100 ℃) can be supplied.
Certification	CE certified UL and CSA certification is available upon request at extra cost
Dimension	L450 * W360 * H350 mm (glovebox-compatible)
Weight	~20 kg

References:

S. Spiegel, et al., Thin cathode for thermal batteries using a tape-casting process, Energy Technology, 2023, 11, 2200684

M. Schmitt, et al., Slot-die processing of lithium-ion battery electrodes—Coating window characterization, Chemical Engineering and Processing: Process Intensification, 2013, 68, 32-37