GUANGDONG XWELL TECHNOLOGY CO., LTD.
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1.Cylindrical cell components
2.Flow chart for how cylindrical cells are assembled:
3.Production workshop:
4.LITH Cylindrical Cell Pilot Line Equipment and Process:
| No. | Process | Equipment Name |
| 1 | Raw material baking | Vacuum Drying Oven with Tri-Level Shelf Heating Modules |
| 2 | Vacuum Mixing | Large Planetary Vacuum Mixer with Vacuum Pump and Water Chiller |
| 3 | Slurry viscosity Test | Digital Touch Screen Viscometer |
| 4 | Vacuum Mixing | Turnover Bucket |
| 5 | Magnetic De-Ironing Filtration | Magnetic De-ironing Filtration System for Battery Electrode Slurry |
| 6 | Electrode Coating | 3 Rollers Battery Electrode Intermittent Coating Machine |
| 7 | Waste Gas Treatment | Solvent Processing System Waste Gas Treatment Equipment |
| 8 | Roll press | Roll to Roll Pressure Controlled |
| 9 | Electrode Sheet Cross Cutting | Lithium Battery Electrode Sheet Cutter Machine for Battery Big Electrode |
| 10 | Electrode Sheet Slitting | Battery Electrode Roll Slitting Machine |
| 11 | Sticking glue of lithium ion battery electrode | Lithium ion Battery Electrode Piece Sticking Machine |
| 12 | Tab Welding | Al Tab Ni Tag Ultrasonic Welding Machine |
| 13 | Electrode Winding | Automatic Precision Winding Machine |
| 14 | Put the cell into the battery shell, and weld the negative electrode lug and the negative electrode shell with a spot welder | Precision High Frequency Inverter DC double Pulse Spot Welding Machine |
| 15 | Short circuit tesing | Short Circuit Tester |
| 16 | The battery shell is formed by rolling groove, which is convenient for sealing. | Floor-stand Automatic Grooving Machine for Batch Processing of Cylindrical battery Castings |
| 17 | Cylindrical Cell Cap Laser Welding | Laser Welding Machine |
| 18 | Filling the electrolyte into the battery | Automatic Precision Electrolyte Injection Station for Cylindrical Cell Batteries |
| 19 | Sealing the cylindrical cell cases | Automatic Cylindrical Cell Crimping Machine |
| 20 | Cell Formation and capacity testing | 512 Channel Lithium Ion Battery Tester Equipment |
| 21 | Print numbers to cylindrical cells | Continuous Small Character Ink Jet Printer |
| 22 | Remove the moisture from the battery production process to ensure the quality of the battery | Dehumidification and Drying System |
| 23 | Vacuum pumping | Monoblock Rotary-vane Vacuum Pump |
| 24 | Provide compressed gas for each battery production machine | Helical Compressor |
5. Machine process description:
Accurate mixing:
During mixing, a homogeneous coating paste (slurry) is produced that is applied to the electrode foils during the subsequent coating process.
Film coating:
Coating machine with various heating designed to produce films with consistent thickness.
Calender:
Roll the dried electrode to reduce the thickness and increase the density.
Slitting:
Slit the positive and negative plates according to the width requirements.
Winding:
Place the electrode piece and separator on the winder for winding, and the stacking order is as follows: (separator+ positive + separator +negative ).
Welding:
Put the cell into the battery shell, and weld the negative electrode tab and the negative electrode shell with a spot welder.
Grooving:
The battery shell is formed by rolling groove,which is convenient for sealing.
Baking before injection:
Sealing: