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Modelo: Battery System-Flexible Copper Busbar
Marca: htd
Origin: PORCELANA
Lugar de origen: PORCELANA
Posicionamiento personalizado de barras colectoras de cobre :
La pestaña flexible de interconexión de celdas HTD es un componente conductor central dentro del módulo de batería, responsable de la conexión eficiente en serie/paralelo y la transmisión de corriente entre celdas de batería individuales. Utilizando una estructura de lámina de cobre T2 multicapa (pureza ≥99,9%) unida mediante tecnología de proceso de difusión molecular (MDP), logra una conexión eléctrica estable al tiempo que absorbe la vibración, compensa las tolerancias de instalación y la expansión/contracción térmica. Su diseño flexible permite doblarse y torcerse, mitigando eficazmente la tensión en los terminales celulares causada por el desplazamiento relativo o la hinchazón celular durante el ciclo. El aislamiento generalmente se logra utilizando manguitos ensamblados posteriormente o tubos termorretráctiles, lo que garantiza seguridad y confiabilidad. Este componente es esencial para mejorar el ciclo de vida y la seguridad de los sistemas de baterías.
Parámetros clave de rendimiento de la barra colectora de cobre :
| Category | Specific Parameters | Test Standard |
| Base Material | Multi-layer T2 copper foil (thickness 0.05-0.3mm) | Enterprise Standard / Material Certification |
| Conductivity | DC resistivity ≤0.025 Ω·mm²/m; Conductivity ≥98% IACS | IEC 60287 |
| Rated Current |
Continuous current: 50A–500A (depends on layers and cross-section) |
IEC 60947 |
| Insulation | Withstand voltage ≥2500V AC (60s); Protection class IP67 | ISO 20653 |
| Mechanical Strength | Tensile strength ≥100 MPa; Vibration stability ≥15g (10–2000Hz) | IEC 60068-2-6 |
| Flexibility & Fatigue |
Bending fatigue life >10,000 cycles (±30° bend), resistance change ≤3% | Enterprise Standard |
| Thermal Performance | -40°C to +105°C (long-term); short-term withstand 150°C | IEC 60068-2-14 |
| Connection Reliability |
Contact resistance ≤8 μΩ; Welding strength ≥50 N/mm² | Enterprise Standard |
| Step | Core Process | Key Technical Points | Output Standard |
| 1 | Foil Preparation | T2 copper foil slitting and cleaning | Surface cleanliness, dimensional accuracy |
| 2 | Stacking & MDP Bonding | Multi-layer stacking, diffusion bonding under heat/pressure | Bond strength ≥35 MPa, low interfacial resistance |
| 3 | Precision Stamping/ Cutting | Progressive die or laser cutting | Dimensional tolerance ±0.1mm, burr control |
| 4 | Surface Treatment | Selective plating (Sn/Ag/Ni) | Plating thickness 5-15μm, corrosion resistance |
| 5 | Insulation Sleeving | Sleeve application and heating (heat-shrink) | Insulation withstand voltage ≥2500V AC, full coverage |
| 6 | Comprehensive Testing |
Resistance, mechanical, electrical, fatigue tests |
Defect rate ≤0.05% |
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