Electrolyte Filling Machine for Prismatic Cell
1. The equipment is suitable for electrolyte filling in Prismatic lithium-ion batteries. It can handle both primary and secondary electrolyte filling processes.
2. Manually scan and weigh the unfilled batteries before placing them in the fixture. The machine then automatically performs the filling process, including high and low-pressure cycles. Afterward, manual removes the battery from the fixture and performs additional electrolyte filling, followed by scanning and weighing.
3. The equipment features a glove-box style enclosure. All operational processes take place within this sealed chamber, which is connected to a dry gas supply. The sealed chamber maintains a positive internal pressure during operation to ensure that internal gases may leak out, but external gases cannot enter.
Process Diagram
Primary Electrolyte Filling
Secondary Electrolyte Filling
Applicable Product Specifications
|
Item |
L Cell Width |
H Cell Height |
W Cell Thickness |
D Electrolyte filling hole edge distance |
Ø Electrolyte filling hole diameter |
|
Unit |
50-180mm |
80～210mm |
25～75mm |
≥5 mm |
1.2~2.0mm |
Notes: The equipment is only equipped with one set of fixtures.
Main Technical Parameters
1. Electrolyte Filling Method: Equal pressure filling.
2. Filling Accuracy: Accuracy ≤ 8‰g.
3. Filling Pump Specification: Electronic ceramic variable pump (single stroke filling amount ≤ 15g): One unit.
4. Filling Pump Accuracy: Single stroke filling amount 15g ± 0.05g.
5. Vacuum Standing Mode: Multiple vacuum standing cycles, vacuum and pressure application, maximum vacuum level -0.09Mpa.
6. Vacuum Standing Time: 1~99 seconds, adjustable (Note: Vacuum Standing pressure time directly affects equipment efficiency).
7. Electronic Scale Accuracy: ±0.1g.
8. Electronic Scale Capacity: 8000g.
9. Changeover Time: Skilled operator within 30 minutes.
10. Equipment Availability Rate: >98% (referring to faults caused by the equipment, excluding regular maintenance, pre-production preparation, and raw material changes).
11. First Pass Yield of Equipment Products: ≥99.5%.
Overview of Equipment Mechanisms
Equipment Layout Diagram
Basic Parameters
1.1. Power Supply Configuration: Voltage: AC220V ±10%, 50Hz
1.2. Power: 3KW
1.3. Compressed Air: Pressure: 0.5-0.7mPa (5kgf-7kgf/cm²)
1.4. Compressed Air Consumption: 10L/S, dried, filtered, and stabilized
1.5. Vacuum Source: ≤ -0.098Mpa, 20L/S
1.6. Ambient Dew Point: < -50°C (Dehumidifier to be provided by the customer)
1.7. Load Bearing: Floor load requirement: > 500KG/m²
1.8. Equipment Weight: Approximately 2.0T
1.9. Equipment Dimensions: 1400L × 1600W × 2000H (subject to actual size)
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