This cooling plate is made of a composite material combining 3003 aluminum alloy and 4343 aluminum alloy, specifically designed for battery thermal management. 3003 aluminum alloy has excellent formability and corrosion resistance, making it suitable for manufacturing complex cooling structures. Meanwhile, 4343 aluminum alloy is commonly used in welding and brazing applications due to its excellent thermal conductivity. This cooling plate, through efficient thermal conductivity, helps maintain optimal battery temperatures during operation, extending the battery's lifespan and performance.
- 3003 aluminum alloy has excellent corrosion resistance and formability with moderate strength, commonly used in applications requiring good weldability and durability.
- 4343 aluminum alloy is primarily used as a coating material. With a high silicon content, it provides excellent weldability and corrosion resistance, frequently used in brazing fields.
- The 3003+4343 composite plate combines the strength of 3003 and the brazing properties of 4343, suitable for high-demand scenarios like power battery cooling plates.
When used in power battery cooling plates, this composite material ensures excellent bonding performance and durability during the brazing process while maintaining superior thermal conductivity. This ensures efficient heat dissipation for battery modules, enhancing battery lifespan and safety.
Material Composition and Characteristics
3003 Aluminum Alloy
Composition and Properties: 3003 aluminum alloy is a non-heat-treatable alloy primarily composed of aluminum and manganese. It offers excellent corrosion resistance, good formability, and moderate strength. Its outstanding corrosion resistance is particularly suitable for humid or acidic environments.
4343 Aluminum Alloy
Composition and Properties: 4343 aluminum alloy is a high-silicon-content alloy mainly used for coatings and brazing materials. Its advantages include excellent thermal conductivity, weldability, and good corrosion resistance.
Characteristics of 3003+4343 Composite Material
Through advanced rolling composite technology, 3003 aluminum alloy and 4343 aluminum alloy are combined to form a dual-layer composite material with excellent performance.
- Base Material Advantages (3003 Aluminum Alloy): Provides overall structural strength and corrosion resistance, supporting the manufacture of complex cooling structures.
- Coating Advantages (4343 Aluminum Alloy): As a surface material, it optimizes welding and brazing properties and significantly improves thermal conductivity.
- Comprehensive Performance: The composite material ensures both mechanical strength and excellent weldability and thermal conductivity, making it highly suitable for battery thermal management applications.
Why Choose 3003+4343 Composite Material for Power Battery Cooling Plates
Efficient Thermal Conductivity
The design of 3003+4343 composite material enables rapid heat transfer during thermal cycles, effectively managing the heat generated by power batteries and ensuring stable operating temperatures for battery cells. This prevents performance degradation caused by overheating.
Excellent Durability
The base material, 3003 aluminum alloy, provides outstanding corrosion resistance, extending the cooling plate's service life in harsh environments while maintaining stable thermal management performance.
Precision Forming and Welding Performance
The 4343 aluminum alloy coating, through the brazing process, ensures stable bonding under high temperatures. It is not only suitable for mass production but also meets the precision manufacturing requirements of complex cooling plate structures.
Applications of 3003+4343 Composite Material
Power Battery Thermal Management
Cooling plates play a critical role in electric vehicle power battery systems by preventing overheating of battery modules through efficient heat dissipation design. This extends battery life and improves the efficiency and safety of charging and discharging processes.
Lightweight and Energy Efficiency
The high strength-to-weight ratio of aluminum materials significantly reduces the overall weight of the cooling system, aligning with the strict lightweight requirements of modern electric vehicles while optimizing energy consumption.
High Process Adaptability
The 3003+4343 composite plate can accommodate various cooling structure designs, including channels, microchannels, and layered structures, meeting the demands of different power battery thermal management solutions.
| Application | Description |
| Electric Vehicle Cooling System | The 3003+4343 cooling plate ensures uniform heat dissipation for EV power batteries through brazing technology and optimized fluid design, enhancing thermal management performance, effectively extending battery life, and improving system efficiency. |
| Energy Storage Device Thermal Management | The 3003+4343 cooling plate, with its high thermal conductivity, achieves uniform heat distribution in large-scale battery modules for stationary energy storage systems, ensuring operational stability and improving energy conversion efficiency. |
| Consumer Electronics Cooling | The 3003+4343 cooling plate exhibits excellent heat dissipation performance in small battery modules, meeting the requirements of precision cooling systems and providing efficient thermal management solutions for consumer electronics. |
The 3003+4343 composite cooling plate, with its efficient thermal management performance, excellent weldability, and durability, is an ideal choice for power battery thermal management. This material plays a significant role in new energy vehicles and energy storage devices, providing lightweight, high-performance solutions for industry development.