1- Products Name: Lithium Battery Top Cap
2- Aluminum Case size mainstream specifications for new energy vehicles and energy storage lithium square batteries (wide*long*high by mm):
54173
36130
29135
71173
27148
41255
and so on, all depend on customers' OEM required.
3- Base Material Standard:
(3.1) Battery Aluminum Cases: 3003-H14 Aluminum
Aluminum GB/T3880 standard, Tensile Strength 145-195MPa
(3.2) Battery Cover Plates: 3003-H14 Aluminum & T2Y2 Copper & Plastic Injection
Copper GB/T5231standard, Purity ≥99.99% Copper, Conductivity %IACS≥97, Hardness 80~110HV, Tensile Strength 245-345MPa.
(3.3) Cover Plates Assembly including:
Cover Plate: 3003 H14 Aluminum
Injection Part: PFA Plastic
Electrode Plate: 3003 H14 Aluminum
Positive Pole: 3003 H14 Aluminum
Negative Pole: T2Y2 Copper
Film: 3M PET transparent adhesive
Explosion Proof Valve: MFX2
Positive Connecting Pieces A&B: 1060 H12 Aluminum
Insulating Gasket: PP
Negative Connecting Pieces A&B: T2Y2 Copper+Nickel Plated
4-Surface Treatments:
(4.1) Anodizing
(4.2) Ultrasonic cleaning
5- Production Technologies:
(5.1) Stamping and stretching for Aluminum Battery Prismatic Cases
(5.2) Stamping, injection molding, machining, riveting, resistance welding, laser welding for Battery Cover Plates Assembly
6- Free Samples: 1-10pcs is allowed
7- Lead Time:Orders 10-20days,Samples 20-30days (including the tooling/die production);
8- Packing: pearl cotton/blister box inside and carton/pallet outside
9- Certifications: ISO9001, IATF16949, RoHS, REACH, etc.
10- Production Capacity: 5,000,000 pcs/month
11- Applications: Suitable for electric vehicles, electric motorcycles, electric bicycles, recreational vehicles, golf carts, electric lifts, cleaning vehicles power supplies; energy storage equipment such as forklifts and forklifts: based on solar, wind, geothermal, and ocean energy power generation systems Energy storage equipment; power grid peak shaving; uninterruptible power supply system UPS; used with solar cells as energy storage equipment, home lighting, etc.
A lithium battery top cap is a component used in the construction of new energy battery cases, particularly those designed to house lithium-ion battery cells or modules. This top cap serves several important functions in ensuring the safety, integrity, and performance of the battery pack:
Sealing and Encapsulation: The top cap is responsible for sealing the top portion of the battery case, enclosing the battery cells or modules securely within the housing. It prevents environmental contaminants such as moisture, dust, and debris from entering the battery compartment, which could compromise the performance and longevity of the batteries.
Protection Against Physical Damage: The top cap provides an additional layer of protection for the battery cells or modules against physical impacts, vibrations, and external forces. It helps distribute and absorb shock to minimize the risk of damage to the batteries during handling, transportation, and operation.
Thermal Management: Some lithium battery top caps are designed with integrated thermal management features to help dissipate heat generated during charging and discharging cycles. Proper thermal management is essential for maintaining optimal operating temperatures within the battery pack and preventing overheating or thermal runaway.
Electrical Insulation: In addition to providing physical protection, the top cap helps insulate the battery cells or modules electrically from other components within the battery case and the surrounding environment. This insulation helps prevent electrical shorts and ensures the safe and reliable operation of the battery pack.
Customization and Compatibility: Lithium battery top caps can be customized to fit specific battery case designs and configurations. They are available in various shapes, sizes, and materials to accommodate different types of battery cells or modules and meet the requirements of diverse new energy applications.
Durability and Longevity: Top caps are typically constructed from durable and lightweight materials such as aluminum, plastics, or composites. These materials are chosen for their resistance to corrosion, impact, and fatigue, ensuring the longevity and reliability of the battery pack in challenging operating environments.
Integration with Safety Features: The top cap may also integrate with other safety features of the battery pack, such as pressure relief valves, venting systems, and thermal fuses. These safety mechanisms help mitigate the risk of thermal runaway, fire, or explosion in the event of battery malfunction or abuse.
In summary, lithium battery top caps play a critical role in ensuring the safety, integrity, and performance of new energy battery cases. Their sealing, protection, thermal management, electrical insulation, customization, durability, and integration features contribute to the overall reliability and functionality of battery packs used in various applications, including electric vehicles, renewable energy storage systems, and portable electronics.
Contact Information:
Ms.Tina Tian (Sales Manager&Technology Engineer)
Xiamen Apollo Stamping Welding Technology Co., Ltd
Apollo Electronic Components (Xiamen) Co.,Ltd
Add: No.2, Chengyi North Road, Jimei Software Park, Jimei District, Xiamen City, Fujian Province, China, 361022
Mob/WhatsApp/WeChat: 0086-15985814329
Email: tina@stamping-welding.com
Web: www.stamping-welding.com , www.china-electronic-components.com
Since 2010, professional in Metal Stamping & Welding Solutions for New Energy EV & PV Fuse, Battery, Capactior, Relay, Switch, ect!