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Hot Lamination Stacking Machine
Cell Making
Hot Lamination Stacking Machine.png

Hot Lamination Stacking Machine

The High-Speed Hot Lamination Cutting and Stacking Integrated Machine is suitable for the manufacturing of power battery cells using the die-cutting and stacking process.  

It consists of a positive electrode sheet segment, negative electrode hot lamination unit, and stacking segment:  

- The positive electrode sheet segment unwinds the electrode roll, corrects its alignment, and cuts it into sheets. After size detection and inspection for defects on both sides, non-conforming sheets (NG) are discarded, and good sheets flow into the subsequent stacking segment.  

- The negative electrode hot lamination unit unwinds the electrode roll, performs defect detection on both sides, corrects alignment, cuts the electrode sheet, and hot-presses it with the separator. The separator is then cut, followed by size detection. NG sheets are discarded, and good sheets flow into the subsequent stacking segment.  

- The stacking segment stacks multiple layers of positive and negative electrode sheets along with the separator on the stacking table. After hot pressing, U-shaped adhesive is applied for fixation, and a QR code adhesive tape is attached. The finished product is automatically discharged to the logistics line for the next process. 

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    The High-Speed Hot Lamination Cutting and Stacking Integrated Machine is suitable for the manufacturing of power battery cells using the die-cutting and stacking process.  

    It consists of a positive electrode sheet segment, negative electrode hot lamination unit, and stacking segment:  

    - The positive electrode sheet segment unwinds the electrode roll, corrects its alignment, and cuts it into sheets. After size detection and inspection for defects on both sides, non-conforming sheets (NG) are discarded, and good sheets flow into the subsequent stacking segment.  

    - The negative electrode hot lamination unit unwinds the electrode roll, performs defect detection on both sides, corrects alignment, cuts the electrode sheet, and hot-presses it with the separator. The separator is then cut, followed by size detection. NG sheets are discarded, and good sheets flow into the subsequent stacking segment.  

    - The stacking segment stacks multiple layers of positive and negative electrode sheets along with the separator on the stacking table. After hot pressing, U-shaped adhesive is applied for fixation, and a QR code adhesive tape is attached. The finished product is automatically discharged to the logistics line for the next process. 

    Hot Lamination Stacking Machine.png

    Technical Parameters

    Advantage Indicator

    Electrode Sheet Compatibility Range

    330mm-590mm

    Electrode Sheet Cutting Width

    80mm-230mm

    Single Sheet Stacking Efficiency

    0.125s-0.15s

    Cell Auxiliary Interval Time

    2s/极组

    Self-Failure Rate

    ≤2%

    Cell Yield Rate

    ≥99%

    Advantage:

    1. Enhanced Bonding Quality – Utilizes precise heat and pressure to laminate anode, cathode, and separator layers, ensuring optimal interfacial contact and reducing internal resistance.
    2. Higher Energy Density – Enables tighter, more uniform stacking than traditional methods, maximizing cell capacity and performance.
    3. Improved Safety & Reliability – Prevents layer misalignment and delamination, reducing risks of short circuits and enhancing battery longevity.
    4. High-Speed Automation – Advanced robotics and vision systems ensure fast, consistent stacking with minimal manual intervention, boosting production throughput.
    5. Flexible Compatibility – Supports various cell formats (prismatic, pouch) and electrode materials, adapting to diverse battery designs.