Copper Bus Bar Connector For Prismatic Cell Lithium Battery
Products Description
Copper Bus Bar Connector for Prismatic Cell Lithium Battery are typically used in the following connection scenarios:
Positive and negative terminal connections for prismatic lithium cells
Series or parallel busbar connections for battery modules
BMS voltage/temperature sensing connections
Conductive connections within high-voltage busbar systems
Internal current distribution structures within battery packs
Depending on the application design, these copper busbars can take various forms:
Flat copper busbars
Bent copper busbars
Laminated flexible copper connectors
Flexible copper busbars
Partially insulated copper busbars
They are also compatible with various assembly methods, including bolting, laser welding, ultrasonic welding, and riveting.
Key Functions
High-Current Busbar Transmission
Efficiently connects prismatic battery cells, enabling high-current parallel or series transmission within the module.
01
Low-Impedance Electrical Interconnection
Minimizes contact resistance, thereby reducing system energy loss and heat generation.
02
Mechanical Support and Fixation
silver-plated copper bus bar provides a robust structural connection capable of withstanding vibration and thermal expansion stresses.
03
Thermal Management Support
Excellent thermal conductivity helps balance temperature distribution across the module, enhancing overall safety.
04
Environmental Protection
Surface treatments enhance corrosion resistance, ensuring durability against internal humidity, electrolyte vapors, and external industrial environments.
05
Manufacturing Excellence: Consistent Dimensions and Plating for Global B2B Supply Chains
| 3D Vision and Full-Dimensional In-Line Inspection | Before packaging, every complexly Copper Busbar for a prismatic cell undergoes scanning by a 3D vision inspection system. The system compares actual formed dimensions against 3D CAD models, automatically verifying that flatness, bend angles, and hole spacing fall within specified tolerances, thereby completely preventing defective parts from reaching the customer's production line. |
| Non-Destructive X-Ray Fluorescence (XRF) Plating Thickness Testing | We utilize X-ray thickness gauges for batch sampling of nickel and zinc plating. We monitor not only average thickness but also coating uniformity. This ensures consistent surface plating thickness across the same batch-and even across different delivery batches-guaranteeing stable laser welding parameters and reliable corrosion resistance. |
| Ultra-Clean Packaging and Oxidation Prevention | Finished Battery Bus Bar Connectors are packaged individually or in sets within a cleanroom environment. For nickel-plated busbars, we use vacuum-sealed, anti-oxidation composite film packaging combined with desiccants; this prevents oxidation and discoloration during transoceanic shipping and long-term storage, ensuring the material retains excellent weldability. |
Detailed Features
Visual Details
The oxygen-free copper base material exhibits a uniform luster; the plating is dense and smooth with burr-free edges, reflecting high-precision manufacturing standards.
Structural Characteristics
Hole placement is uniform, bends feature smooth transitions, and stiffeners are scientifically designed to minimize stress concentration.
Dimensional Versatility
Bend Copper Busbar supports various standard widths and thicknesses as well as fully customized geometries, ensuring high end-face flatness.
Functional Details
Options include selective insulation coating, laser marking, or specialized surface textures to enhance ease of installation and long-term contact stability.
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We offer not only standardized Copper Power Bars but also integrated engineering support-spanning from structural design optimization to mass production-tailored to battery module architecture, current path design, and the specific requirements of new energy systems, thereby helping customers achieve highly reliable system integration and successful mass production.
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