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Basic Info
| Model No. | Battery System |
|---|
Product description
Product Positioning:
The HTD Battery Pack Internal Busbar serves as the critical backbone for electrical connectivity within modern energy storage systems. Designed for high-voltage applications, this busbar acts as the primary conductive component, efficiently managing current collection and distribution between individual battery cells within a module. We utilize advanced materials, including copper-clad aluminum composites and high-purity copper or aluminum, to strike the perfect balance between superior electrical performance and lightweight design. Each component is manufactured using precision stamping and bending techniques to ensure exacting dimensional tolerances. Furthermore, our specialized insulation processes guarantee reliable isolation, preventing short circuits and enhancing overall safety. By ensuring low resistance and high current-carrying capacity, our Internal Busbars deliver stable, efficient, and safe current transmission, making them essential for optimizing the performance and longevity of your battery packs.
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Key Performance Parameters of?Insert Molding:
| Category | Specific Parameters | Test Standard |
| Material Options | Copper-clad aluminum composite (Cu layer 30%-40%), T2 copper, AL1000 series high-purity aluminum | ASTM B209 / GB/T 3190 |
| Conductivity | Copper-clad aluminum resistivity ≤0.026 Ω·mm2/m; Pure copper resistivity ≤0.0178 Ω·mm2/m | GB/T 5585.1 |
| Current-Carrying Capacity | Continuous current 200-600A (section-dependent), temperature rise ≤40K (@25°C ambient) | Enterprise standards / Thermal simulation validation |
| Structural Design | Integrated anti-expansion ribs/buffer slots, pre-compensating for cell cycling expansion stress | Real-pack cycle testing |
| Connection Process | Laser welding (depth ≥0.5mm) or bolted connection (torque accuracy ±0.5N·m) | IEC 60947 |
| Insulation Treatment | Optional insert molding (PA, PPS), spraying or sleeving, withstand voltage ≥2500V AC | ISO 20653 |
| Lightweight Benefit |
Copper-clad aluminum solution reduces weight by >35% compared to pure copper; Aluminum solution reduces weight by 50% |
Real-vehicle comparison validation |



| Step | Core Process | Key Technical Points | Output Standard |
| 1 | Material Composite Casting | Core-filled continuous composite casting; precise temperature control (shell casting 1000-1100°C, aluminum filling 740-760°C) | Cu/Al cross-section ratio 2:7~2:5; interface bond strength ≥100MPa |
| 2 | Precision Stamping & Bending | Multi-directional CNC bending equipment one-time forming; integrated anti-expansion rib design | Dimensional tolerance ±0.1mm; structure free from cracking or wrinkling |
| 3 | Welding Integration | Laser welding depth ≥0.5mm; false welding rate <0.1% | Stable resistance meeting standards; reliable connection points |
| 4 | Insulation Treatment | PE heat-shrink tubing hot air shrinkage or epoxy powder dip coating; withstand voltage ≥2500V | Insulation layer uniform without defects; IP67 protection level |
| 5 | Inspection & Packaging | Full-size inspection + electrical performance test; MES system traceability | Defect rate ≤0.1%; supports full lifecycle quality traceability |
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