ECS-SL Automatic Electrode Winder for Cylindrical Cells with All-Tab Structure (Up to 60150), ESLCCATSAEW

An Automatic Electrode Winder for All-Tab Cylindrical Cells is a specialized machine designed to produce the next generation of high-power batteries, most notably the 4680 format. The all-tab design is a game-changer for thick-electrode battery with high loading.

Standard winders focus on centering the foil. A all-tab winder must manage a "foil overhang" on both the top (cathode) and bottom (anode) of the jelly roll. (1) Precision Edge Alignment: Since the "tabs" are actually the foil edges, the lateral alignment (web guiding) must be accurate to within ±0.1 mm. Any deviation will cause the "petals" to be uneven, making the final current collector welding impossible. (2) Non-Crushing Mandrels: The winding needles are designed to grip the separator and foil without putting pressure on the overhanging "all-tab" edges. (3) Active Tension Control: Because all-tab electrodes are often wider and heavier than standard electrodes, servo-driven tensioners are used to prevent the foil from wrinkling, which would ruin the "all-tab" contact surface.

Part Number	ESMCCSAEWTF (ESM-CC-SAEWTF)
Power	AC110V-220V±10%, single phase, 50/60Hz, 200 W
All-Tab Winding Features	Round Winding Needle: Φ 6.0 mm, L≤150mm (standard). Other sizes are available upon request.  The obtained cylindrical cell: 30mm<O.D. of cell ≤60mm, L: Max. 150 mm.           The guiding slot width is Max. 160 mm (adjustable) Guiding Roller: Max. 160 mm, Φ 30 mm Winding Speed: Max. 300 rpm (adjustable) Electrode/Separator Roll Loading: 3" and Max. diameter: 250 mm.
Gas Compressor (Optional)	A gas compressor (EUQOFGC) is required to supply a 60-80 psi for pneumatic operation.
Certificate	CE certificate UL and CSA certificate are available upon request with additional charge
Dimension	L680 * W690 * H1590 mm
Weight	~150 kg

References:

J. Sturm, et al., Impact of Electrode and Cell Design on Fast Charging Capabilities of Cylindrical Lithium-Ion Batteries, J. Electrochem. Soc., 2020, 167, 130505

R. Schäfer, et al., Effects of Electrode Curvature in Li-Ion Cells, J. Electrochem. Soc., 2023, 170 120519.