Formation and Capacity Grading Turnkey Solutions for Pouch Cell
Description
1. Batch Application of Series Formation Fixture Technology
2. The standard horizontal formation machine for pouch power batteries achieves a single-unit efficiency of 17 PPM, with the entire formation & capacity grading line reaching 71 PPM.
3. Flexible configuration of equipment cycle time and quantity based on customer needs.
4. High compatibility with multiple battery types, featuring strong versatility and short changeover time.
Solution Advantages
1. High Efficiency
- Flexible grading capability:
- Adaptive fixture system perfectly accommodates pouch cell thickness tolerance (±0.2mm), achieving grading efficiency of 240PPM
- Supports wide-range grading current from 0.5C to 3C, meeting various application requirements for power/energy storage
- Precision Formation Control:
- Proprietary pressure feedback formation process with real-time fixture pressure adjustment (50-300kg adjustable), ensuring consistent interface contact impedance
- Voltage detection accuracy ±1mV, capacity sorting accuracy ±0.3%, 50% better than industry standards
2. Dedicated Safety Management System
- Three-dimensional safety monitoring:
- Integrated thickness expansion monitoring (±0.05mm) + surface temperature scanning (±0.5℃) + internal pressure detection (±50Pa)
- Automatic isolation response time <100ms for abnormal cells, exceeding UL1973 certification requirements
- Anti-swelling process package:
- Multi-stage vacuum formation (-80kPa to atmospheric pressure adjustable) effectively suppresses electrolyte decomposition, reducing swelling rate to <0.5%
3. Intelligent Solutions
- Flexible logistics system:
- Vacuum adsorption + visual alignment feeding method accommodates pouch cell thickness variations (0.3-1.2mm)
- AI quality control sorting automatically identifies pouch-specific defects like tab wrinkles and aluminum film scratches
- Modular grading architecture:
- Single cabinet supports flexible configuration of 8-32 channels, compatible with 30-300Ah pouch cells
- Model changeover time <15 minutes, suitable for small-batch trial production
4. Energy-Saving Design
- Hybrid energy feedback:
- Achieves ≥90% discharge energy feedback efficiency for high energy density pouch cells
- 40% more energy-efficient than traditional solutions
- Smart standby mode:
- Automatically enters low-power state during production gaps, standby consumption <5kW/h
5. Full Lifecycle Data Management
Full Lifecycle Data Management
- Tracks formation pressure curve, thickness variation history, and grading OCV characteristics for each cell
- Establishes pouch-specific expansion coefficient-cycle life prediction model
- Digital twin system:
- Real-time simulation of 3D stress distribution during formation, optimizing process parameters