Project Name: TOB Empowers European Client to Establish 5MWh Automated High-Flexibility Li-ion and Na-ion Pouch Cell Mass Production Base
Description: From 2024 to 2025, TOB NEW ENERGY delivered Europe’s first 5MWh a year Li-ion pouch cell mass production line for a leading energy technology enterprise. The project provided full lifecycle services spanning facility planning, equipment customization, and technical training, enabling the client’s transition from lab-scale R&D to industrial-scale production. Featuring multi-chemistry process compatibility and pilot-scale readiness for solid-state electrolytes, the line passed acceptance with zero-incident delivery and 98% overall yield, setting a benchmark in the regional market.
Date: 2024 - 2025
Location: Europe
1. Rapid production launch: Dry room installation achieving -45°C dew point, completing facility construction to first cell rollout within 12 months.
2. Technology forward compatibility: Supporting current NMC system while reserving upgrade paths for sodium-ion batteries.
3. Harsh environment adaptation: Outdoor equipment rated for -30°C operation, compliant with local safety certifications.
4. Localized operation: Training client’s on-site team for independent production O&M (Operation & Maintenance).
5. Flexible capacity: Enabling small-batch multi-model orders (10+ cell variants with agile changeover).
Technical Specifications
|
Parameter Category |
Detailed Requirements |
|
Cell Type |
Li-ion pouch cells / Na-ion pouch cells |
|
Cell Dimensions |
Customizable (Max: 300×200×12mm) |
|
Design Capacity |
(10~50Ah)±5% (Adjustable range: 5~100Ah) |
|
Energy Density |
Li-ion: 200~360Wh/kg; Na-ion: 130~250Wh/kg |
|
Material System |
NMC Cathode + Si-C Anode / Na-ion + Hard Carbon |
|
Key Processes |
Auto mixing → Dual-sided coating → High-speed stacking → Electrolyte filling & formation → PACK |
|
Annual Line Capacity |
5MWh (≈100k cells) |
|
Footprint |
1,500m² (Including dry room & formation workshop) |
Turnkey Project Delivery
• Facility Design: Modular steel structure (frost-proof foundation + explosion-proof zones), reducing construction time by 40%.
• Equipment Specification: Cold-resistant coater customized for local climate (±1μm coating precision, 70-550mm web width adjustment, 10 substrate formats), high-speed stacker (0.3s/piece).
• Process Innovation: Integrated dry electrode trial section, reducing solvent consumption by 30%.
Core Technology Assurance
• Safety Control: TOB proprietary BMS with real-time diagnostics enabling thermal runaway early warning.
• Technology Scalability: Pre-installed interfaces for dry electrode equipment supporting future solid-state battery upgrades.
Localization Support System
• Personnel Training: 3-month on-site operational training by dispatched engineers + 2-month production ramp-up support.
• VR Simulation: Fault response time reduced to 15min through virtual equipment drills.
Equipment List
|
Process Stage |
Equipment |
Technical Highlights |
|
Electrode Fabrication |
Twin-screw slurry system |
Vacuum deaeration efficiency ≥99.5% |
|
Wide-width dual-sided slot-die coater |
Substrate tension fluctuation ≤0.5% |
|
|
Cell Assembly |
Multi-station high-speed stacker |
Yield rate ≥99.2% |
|
Laser welding unit |
Weld strength ≥150N/mm² |
|
|
X-RAY inspection system |
Alignment monitoring |
|
|
Filling & Formation |
Low-dew-point filling system (-45°C) |
Dew point control ≤-45°C |
|
High-precision grading system |
Voltage detection accuracy ±0.5mV |
|
|
PACK Assembly |
Modular automated PACK line |
Supports flexible 1P10S~4P20S configurations |
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