Prismatic Cell Aluminum Shell
Products Description
In today's ever-evolving new energy industry, prismatic cell aluminum shells, as a key component for cell safety and energy density, are gradually becoming the mainstream choice for energy storage systems and power battery designs.
This product, based on high-purity aluminum alloy, achieves a balance between lightweight, high strength, and excellent heat dissipation through precision stamping, deep drawing, CNC precision machining, and surface anodizing. Its design considers structural strength, sealing reliability, and assembly consistency, and is widely used in energy storage systems (ESS), new energy vehicles, power tools, and household and commercial energy storage power supplies.
Product Features and Performance Advantages
| Ideal Balance of Lightweight and High Strength |
Utilizing 6000 and 3000 series aerospace-grade aluminum alloys, the overall weight is significantly reduced while ensuring structural strength, helping customers achieve a higher energy density ratio (Wh/kg). The high-strength Aluminum Laminate Pouch for Li-ion Batteries effectively withstands internal pressure and external mechanical stress, preventing deformation or leakage and ensuring safe and stable operation of the battery cell under extreme conditions. |
| Excellent Thermal Conductivity and Dissipation |
Aluminum alloys possess excellent thermal conductivity, rapidly dissipating heat generated during charging and discharging. Combined with optimized internal structure and heat dissipation groove design, localized temperature rise is significantly reduced. This not only extends battery cell life but also provides more flexibility in system thermal management design, adapting to various thermal control solutions such as liquid cooling and air cooling. |
| High-Precision Molding and Reliable Sealing |
Each LiFePO4 Aluminum Case Battery Cell is manufactured using automated stamping and CNC machining equipment, with dimensional accuracy controlled within ±0.05mm, ensuring consistent assembly and stable sealing performance. Edge welding utilizes laser welding or argon arc welding processes, combined with vacuum anti-leakage testing, to ensure reliable encapsulation and electrolyte leakage prevention performance under high-pressure environments. |
| Optimized Structural Design and Customization Compatibility |
Apollo's design team can provide customized structural designs and assembly interfaces based on different cell models, capacities, and terminal layouts. The square housing boasts high internal space utilization and a compact structure, easily integrating components such as tabs, insulation layers, and sealing rings, adapting to diverse production line assembly needs. |
| Enhanced Surface Protection and Corrosion Resistance |
The EV Battery Pouch Cell Aluminum Case surface undergoes anodizing or nano-coating protection treatment, effectively resisting electrolyte corrosion, damp heat aging, and external environmental erosion. Multiple surface treatment options are available: natural silver, matte, black anodized, or sandblasted, meeting both functional requirements and brand visual identity needs. |
Manufacturing Advantages and Quality Assurance
1. Integrated Manufacturing Process System
Apollo possesses a complete integrated production chain encompassing stamping, stretching, welding, CNC machining, surface treatment, and inspection.
Each process is certified by the ISO9001 quality management system and the IATF16949 automotive industry quality standard, ensuring batch consistency and high-precision manufacturing.
2. Intelligent Production Equipment Support
High-speed precision stamping presses, automatic stretching and forming lines, CNC machining centers, fully automated welding robots, and online inspection systems enable high-efficiency and high-stability production.
An intelligent monitoring system records the dimensions, thickness, hardness, and surface condition of each batch of products in real time, achieving traceable production management.
3. Strict Material Selection and Batch Control
All aluminum alloy raw materials are sourced from certified high-quality suppliers (such as Nanshan Aluminum and Hailiang Group), and undergo spectral analysis and hardness testing to ensure material purity and ductility.
Through batch traceability and inbound inspection systems, the performance consistency and safety reliability of each product are guaranteed to the greatest extent possible.
4. Lean Inspection and Reliability Verification
Each LiFePo4 LFP Lithium Iron Phosphate battery cells undergoes the following verification tests before leaving the factory:
Dimensional accuracy and wall thickness uniformity inspection
Internal pressure leakage and vacuum sealing test
Salt spray and humid heat environment corrosion resistance test
Surface roughness and adhesion inspection
Mechanical shock and vibration test
This inspection system ensures that the Aluminum deep drawing stamping battery case meets the stringent safety and reliability requirements of new energy batteries.
Material Advantages
High Thermal Conductivity and Stable Mechanical Properties
The high thermal conductivity and low density of aluminum alloys make them ideal materials for battery cell packaging.
Under high-temperature cycling or frequent charge-discharge conditions, aluminum casings effectively reduce the temperature gradient difference within the battery cell, suppressing gas expansion and thus maintaining cell consistency and extending service life.
Superior Processing and Ductility
Preferred aluminum alloys possess excellent ductility and shaping capabilities, making them suitable for complex curved surface stretching and ultra-thin wall structure forming.
Whether square, irregular, or multi-cavity structures, forming can be completed while maintaining uniform wall thickness, meeting the cell layout needs of different customers.
Environmental Protection and Recyclability
Aluminum materials are 100% recyclable, aligning with the sustainable development concept of the new energy industry.
During battery recycling, the recyclable nature of aluminum casings reduces overall recycling costs and helps companies achieve their carbon emission targets.
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