Battery Electrolyte Filling Machine for R&D & Pilot Lines - China Suppliers & Factory for Cylindrical, Pouch, Prismatic Cells
Equipment Characteristics
WS Automation's battery filling machine, also referred to as an electrolyte filling machine, plays a crucial role in various stages of battery production across laboratory, pilot, and semi-automatic assembly lines. Designed to handle cylindrical batteries, pouch cells, and prismatic cells, this machine ensures precise electrolyte filling in a controlled environment such as glove boxes.
Versatile Application and Functionality
The electrolyte filling machine is versatile, accommodating different battery types and sizes, including the increasingly popular 4680 cylindrical batteries. Its primary functions include pre-filling weighing, where manual weighing ensures accurate electrolyte quantities before loading. Batteries are then either manually loaded into trays or automatically loaded using robot arms, optimizing efficiency and reducing handling errors.
Process Flow and Operational Sequence
The Electrolyte Filling Line operates with a well-defined sequence to ensure consistency and quality. After pre-filling weighing and loading, liquid electrolyte is precisely dispensed into each battery cell. Subsequently, a vacuum standing process removes air bubbles and enhances electrolyte penetration and uniformity within the battery. Once filled and vacuum-treated, cylindrical batteries are removed from the machine for further processing.
Enhanced Precision and Quality Assurance
Precision is paramount in battery manufacturing, and WS Automation's filling machine integrates robust controls to maintain accuracy throughout the process. Automated procedures, PLC-controlled operations, and advanced sensing technologies monitor and regulate electrolyte levels, ensuring each battery receives the correct amount of electrolyte for optimal performance.
Scalability and Adaptability
From laboratory-scale research to pilot production lines, WS Automation's electrolyte filling machine offers scalability and adaptability. It supports the evolving needs of battery development and production, facilitating seamless transitions from R&D phases to full-scale manufacturing while maintaining high standards of quality and efficiency.
Integration and Efficiency
By streamlining electrolyte filling and vacuum standing processes, WS Automation enhances overall production efficiency. This machine not only reduces manual labor but also minimizes potential contamination risks and ensures consistent battery performance across production batches.
In Summary
WS Automation's battery filling machine exemplifies precision engineering and reliability in electrolyte management for cylindrical, pouch, and prismatic battery cells. Its comprehensive functionality, coupled with advanced automation and meticulous process control, underscores its pivotal role in advancing battery technology and meeting industry demands for quality and performance.
Electrolyte filling machine for cylindrical cell (4680) of battery Lab. line
Electrolyte filling machine for battery pouch cell of RD line
Electrolyte filling line for battery cell pilot line up to 50PPM
Manual electrolyte filling for Battery cell of Lab. line
Specification of Equipment
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| Model | WS-SQZYJ | WS-RBZYJ | WS-LKZYJ | WS-ZYJ |
| Feeding method | Manual feeding | Manual feeding | Manual feeding | Manual feeding |
| Design efficiency | Single machine ≥10PPM | / | / | / |
| Qualification rate | ≥99.5% | 99% | 99% | 99% |
| Injection accuracy | ±0.1g | ≤±0.2g | ≤800g±8‰g | ≤100g±1‰g |
| Voltage power supply | 220V/380V, 50HZ | AC220V/50Hz | AC220V/50Hz | AC220V/50Hz |
| Power | 3kw | 2kw | 2kw | 250W |
| Equipment dimensions | L1500-W1200-H1800mm | L1900mm-W1400-H1900mm | L1900mm-W1400-H1900mm | Pump body: L270mm*W120mm*H145mm; Electric box: L290mm*W210mm*H145mm |
| Applicable range | Semi-automatic assembly production line for cylindrical batteries | Functions for liquid injection line for pouch batteries include expansion/opening, liquid injection, automatic settling, and initial sealing of the battery. | Square shell lithium-ion battery | High-precision fluid metering injection suitable for industries such as electrolytes, capacitors, acids, alkalis, adhesives, reagents, etc. |
Frequently Asked Questions
Q: Which battery types are compatible with WS Automation's electrolyte filling machine?
The machine is designed to handle cylindrical batteries (including 4680 cells), pouch cells, and prismatic cells across laboratory, pilot, and semi-automatic assembly lines.
Q: What is the operational sequence of the electrolyte filling process?
The sequence begins with pre-filling weighing and manual/robotic loading, followed by precise electrolyte dispensing, a vacuum standing process to eliminate air bubbles and enhance penetration, and finally, cell removal for further processing.
Q: How does the equipment guarantee precision during liquid injection?
Precision is achieved through automated procedures, PLC-controlled operations, and advanced sensing technologies that continuously monitor and regulate electrolyte volume levels.
Q: What is the injection accuracy of the WS-SQZYJ model?
The WS-SQZYJ model features a highly precise injection accuracy of ±0.1g, designed for semi-automatic assembly lines of cylindrical batteries.
Q: What are the application ranges of the WS-ZYJ model?
The WS-ZYJ model is built for high-precision fluid metering injection, making it suitable for industries dealing with electrolytes, capacitors, acids, alkalis, adhesives, and reagents.
Q: How does this machine contribute to overall production efficiency?
By streamlining the filling and vacuum standing processes, the machine minimizes manual labor, reduces contamination risks, and maintains consistent battery quality across production batches.

Cylindrical Cell Machine Line
Pouch Cell Lab. Line
Prismatic Cell Machine Line





