Aluminum Shell For Lithium Ion Phosphate Cell
Products Description
This Aluminum shell for lithium ion phosphate cells is specifically designed for prismatic lithium iron phosphate (LFP) cells. It features a regular rectangular structure with uniform wall thickness and high dimensional precision, and supports customization across various capacity specifications. The surface undergoes special treatment to achieve a high-quality finish, while the design ensures excellent sealing performance-effectively isolating the internal electrolyte from the external environment to prevent leakage and contamination.
Key features include:
High-strength, lightweight structure: Significantly reduces weight while maintaining rigidity, enabling the battery pack system to achieve superior energy density.
Excellent thermal conductivity: The aluminum alloy's inherent high thermal conductivity accelerates heat dissipation; when paired with liquid or air cooling systems, it maintains the cells within their optimal operating temperature range.
Electrochemical stability: The material is highly compatible with the electrolyte, resisting corrosion and adverse side reactions during long-term service, thereby ensuring battery safety.
Precision forming capabilities: Supports deep-drawn, one-piece forming, which minimizes weld points and enhances both structural consistency and production efficiency.
Design Advantages: Engineering-Driven Structural Optimization
Integrated Deep-Drawn Design
Seamless transition between the base and sidewalls eliminates stress concentrations and potential leak points associated with traditional welding, thereby enhancing overall explosion and vibration resistance.
Optimized Thermal Management Structure
Lithium prismatic cells Aluminum shell. Options for corrugated surfaces or reinforcing ribs increase heat exchange surface area while maintaining structural rigidity.
Standardized and Customizable Interfaces
Features pre-configured mounting holes for precision terminals, explosion-proof valve ports, electrolyte filling ports, and sensor interfaces; supports laser-welded sealing and compatibility with mainstream BMS systems.
Surface Engineering Treatments
Options for anodizing, powder coating, or insulating coatings enhance weather resistance and electrical insulation, reducing post-assembly processing costs.
Technical Features: A Testament to Precision Engineering
| Ultra-low internal stress control | Through a unique annealing process and optimized drawing ratio, we effectively eliminate residual internal stress following the casing's formation. This is crucial for preventing casing swelling and deformation during battery cell cycling for lithium cell batteries Aluminum shell. |
| High-precision dimensional tolerances | Dimensional tolerances for length, width, and height are strictly controlled within ±0.05 mm, with minimal diagonal variance. This high precision ensures a high success rate for automated assembly line handling, thereby boosting customer production efficiency. |
| Excellent compatibility with welding processes | We have optimized material composition and surface treatment to ensure exceptional suitability for laser welding. The process yields stable weld penetration and a minimal heat-affected zone, guaranteeing the integrity and strength of the seal. |
| Electrolyte corrosion resistance | To withstand the chemical composition of electrolytes used in lithium iron phosphate (LFP) batteries, we employ specialized alloy formulation and surface passivation techniques. These create a chemical barrier that effectively protects the base material from corrosive ions, such as fluorides. |
Application Advantages: Engineering Adaptability Across All Scenarios
New Energy Vehicles
Power battery systems for passenger and commercial vehicles-the largest market for prismatic aluminum-cased lithium batteries.
Electric Power Storage
Large-scale energy storage stations for grid frequency regulation and peak shaving, reactive power compensation, renewable energy grid integration, etc.
Industrial and Specialized Equipment
Rail transit, port machinery, construction machinery, heavy-duty trucks, high-power equipment, etc.
Data Centers and Telecommunications
Scenarios demanding extremely high reliability and safety, such as UPS (Uninterruptible Power Supply) systems and base station backup power.
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li on cell Aluminum shells serve not only as structural components but also as critical foundational elements that determine the safety boundaries and performance limits of the battery system. Their material composition, structural design, and manufacturing processes collectively underpin the reliability of new energy battery systems.
For energy storage and power battery projects, stable and consistent casing quality translates to reduced system risk, higher energy utilization efficiency, and superior lifecycle performance.
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