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Automatic Pouch Cell Electrolyte Filling Machine
Our automatic pouch cell electrolyte filling machine is designed for high‑volume production of pouch cells for electric vehicles. This pouch cell vacuum filling machine automates loading/unloading, barcode scanning, pre‑weighing, vacuum filling, vacuum rest, vacuum sealing, and post‑weighing. As advanced lithium battery automatic liquid injection equipment, it achieves 30PPM, 98% OEE, and 99.5% yield – compatible with single‑side or double‑side tab cells from 150–550mm length and 80–200mm width.
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What Is an Automatic Pouch Cell Electrolyte Filling Machine?
An automatic pouch cell electrolyte filling machine is a critical piece of equipment in pouch cell manufacturing. It precisely injects electrolyte into pouch cells under vacuum, ensuring fast absorption and complete wetting of electrodes. Our system is specifically built for high‑capacity EV pouch cell lines, integrating seamlessly with upstream and downstream material handling conveyors.
Pouch Cell Vacuum Filling Machine – Key Technical Features
This pouch cell vacuum filling machine includes the following advanced features:
Automatic loading/unloading – Robotic arms transfer cells to/from the production line without manual intervention.
Pre‑weighing & barcode scanning – Each cell is weighed and scanned before filling for full traceability.
Vacuum filling – Electrolyte injection under vacuum accelerates penetration and absorption, improving wetting speed and consistency.
Vacuum rest chamber – Adjustable rest time according to process requirements, allowing electrolyte to fully saturate electrodes.
Vacuum sealing – Hermetic sealing after filling to prevent contamination or leakage.
Post‑weighing – Confirms electrolyte weight and rejects non‑conforming cells.
Cell compatibility – Handles both single‑tab and double‑tab pouch cells.
Cell size range: Length 150–550mm, width 80–200mm.
Lithium Battery Automatic Liquid Injection Equipment – Production Parameters
As high‑performance lithium battery automatic liquid injection equipment, our machine delivers the following production metrics:
| Parameter | Value |
|---|---|
| Production capacity | 30 PPM (cells per minute) |
| OEE (Overall Equipment Effectiveness) | 98% |
| Yield (first‑pass quality) | 99.5% |
| Electrolyte filling accuracy | ≤±0.5% (typical) |
| Vacuum level | Adjustable, typically -0.09 to -0.1 MPa |
| Sealing method | Vacuum thermal sealing |
Custom configurations available for larger cell sizes or higher speeds.
Machine Operation & Process Flow
The fully automatic process sequence is as follows:
Infeed – Cells are automatically transferred from the previous process conveyor.
Barcode scanning & pre‑weighing – Each cell is identified and its dry weight is recorded.
Vacuum filling – Electrolyte is injected into the cell under controlled vacuum conditions.
Vacuum rest – Cells rest in a vacuum chamber for adjustable time to ensure complete electrolyte absorption.
Vacuum sealing – The pouch cell is hermetically sealed under vacuum.
Post‑weighing – The filled and sealed cell is weighed to verify electrolyte amount; data is logged.
Outfeed – Good cells are transferred to the next process; rejects are automatically diverted.
All parameters (fill volume, rest time, vacuum level, sealing temperature) are programmable via HMI. Data is uploaded to MES for full traceability.
Why Choose This System for Pouch Cell Manufacturing?
High throughput – 30 PPM, 98% OEE – ideal for EV battery gigafactories.
Excellent yield – 99.5% first‑pass quality reduces waste and rework.
Vacuum process – Faster electrolyte absorption, better cell performance.
Flexible cell handling – Supports single/double tab, wide size range (150–550mm length, 80–200mm width).
Full automation – Robotic loading/unloading, automatic weighing & scanning, MES connectivity.
Precision filling – ≤±0.5% accuracy ensures consistent electrolyte amount.
Applications
Electric vehicle (EV) pouch cell production – High‑volume lines.
Energy storage system (ESS) pouch cells – Large format cells.
High‑power pouch cells – For drones, power tools, and e‑mobility.
⚡ 30PPM High Speed – 98% OEE, 99.5% yield, built for EV battery mass production.
🔬 Vacuum Filling & Sealing – Faster electrolyte absorption, consistent cell quality.
🤖 Fully Automatic – Robotic handling, pre/post weighing, barcode traceability, MES ready.