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As a specialized manufacturer of electrical components, Jinhua Dika Electrical Equipment Co., Ltd. leverages its extensive expertise and rigorous quality management systems to produce high-performance Bare Flexible Braided Copper Busbars specifically designed for Electric Vehicle (EV) Battery Modules. Our busbars are engineered to meet the demanding requirements of modern EV power systems, offering superior flexibility, reliable electrical performance, and enhanced durability in critical battery pack applications.
The core value of our product lies in its optimized design for efficient current distribution within battery modules. The braided structure with 0.2mm strand diameter provides exceptional mechanical flexibility, allowing for easier installation and accommodating thermal expansion and vibration stresses common in EV environments. This design ensures consistent electrical contact and minimizes resistance, contributing to overall battery efficiency and longevity.
Our Bare Flexible Braided Copper Busbar is meticulously crafted to serve as a vital interconnect within EV battery packs. Its primary characteristics and advantages are detailed below:
- High Conductivity and Low Resistance: Made from pure copper, the busbar offers excellent electrical conductivity, minimizing energy loss and ensuring efficient power transfer between battery cells or modules.
- Exceptional Flexibility: The braided construction using fine 0.2mm strands allows the busbar to bend and flex without compromising electrical integrity. This is crucial for fitting into complex battery pack layouts and absorbing mechanical stresses.
- Enhanced Current Carrying Capacity: The braided design often provides a better surface area and can handle high currents effectively, suitable for the power demands of EV batteries.
- Thermal Performance: Copper's inherent thermal conductivity helps in dissipating heat, which is beneficial for managing temperature within battery modules.
- Durability and Vibration Resistance: The flexible nature reduces the risk of fatigue failure under constant vibration, a common challenge in automotive applications.
- Customizable Design: While supplied bare (uninsulated), the busbar can be tailored in terms of length, width, and termination ends to suit specific module designs.
The technical specifications and typical parameters for this busbar are outlined in the following table. Please note that specific dimensions like overall width, thickness, and length are customizable based on customer requirements.
| Parameter | Specification / Description |
| Primary Material | Pure Copper |
| Strand Diameter | 0.2mm |
| Construction | Braided (Multiple strands woven/twisted) |
| Insulation | Bare / Uninsulated |
| Typical Application | Interconnection within EV Battery Modules/Packs |
| Key Advantage | High Flexibility, Excellent Conductivity |
| Compliance & Standards | Manufactured under ISO9001, ISO14000, ISO16949 quality systems |
| Customization Options | Length, Width, Termination style (e.g., pressed ends, soldered) |
For our clients in the EV industry, integrating this busbar into battery module designs brings several tangible benefits:
- Simplified Assembly: The flexibility reduces installation complexity, saving time and labor during battery pack manufacturing.
- Improved Reliability: Reduced risk of breakage or connection failure due to vibration and thermal cycling enhances the overall reliability of the battery system.
- Optimized Electrical Performance: Lower resistance connections contribute to better battery efficiency and potentially longer range or performance.
- Design Adaptability: The bare, flexible form allows engineers to integrate it into various module shapes and configurations.
- Cost-Effectiveness: A durable and reliable interconnect solution can reduce long-term maintenance and failure costs.
Jinhua Dika Electrical Equipment Co., Ltd. stands as your reliable partner for critical EV components. Our operation is backed by a robust framework of international quality standards including ISO9001, ISO14000, and automotive-specific ISO16949, ensuring consistent product quality and manufacturing discipline. With an annual export value ranging between US$1 Million and US$1.5 Million, we have established a strong global presence, serving markets across North America, South America, Europe, Asia, Africa, and Oceania. Our experienced team of 11-50 professionals is dedicated to meeting the precise needs of the automotive electrification sector. We invite you to leverage our manufacturing expertise for your EV battery projects. Contact us to discuss custom specifications, obtain samples, or place an order for these high-performance flexible braided copper busbars.
Frequently Asked Questions (FAQ)
Q1: What is the main advantage of using a braided busbar over a solid strip busbar for EV batteries? A: The braided design, especially with fine strands like 0.2mm, offers significantly greater flexibility. This allows it to absorb vibration, accommodate thermal expansion/contraction, and fit into tight or irregular spaces within a battery pack more easily than a rigid solid strip, reducing stress on connections and improving long-term reliability.
Q2: Why is the busbar supplied "bare" or uninsulated? A: In many EV battery module designs, the busbar is installed in a controlled environment where insulation may not be required, or a custom insulation/sleeving may be applied separately based on the pack design. Supplying it bare allows for greater customization and often simplifies the connection process to cell terminals.
Q3: Can this busbar handle the high currents typically found in EV battery packs? A: Yes. Pure copper is an excellent conductor. The braided construction with multiple strands provides a substantial cross-sectional area for current flow. The specific current rating depends on the overall dimensions (width/thickness) of the braided bundle, which can be customized to meet your ampacity requirements.
Q4: Is the 0.2mm strand diameter standard, or can other diameters be provided? A: The 0.2mm strand diameter is a common and effective size for achieving high flexibility. However, as a manufacturer, we can typically produce braided busbars using different strand diameters (e.g., 0.15mm, 0.25mm) based on customer specifications to balance flexibility, conductivity, and mechanical strength.
Q5: How does the flexibility impact the electrical resistance? A: Properly manufactured braided copper busbars maintain very low electrical resistance. The flexibility comes from the physical arrangement of many small strands, not from a change in the conductive material. The total cross-sectional area of copper remains high, ensuring low resistance.
Q6: Are there any specific termination options available for the ends of the busbar? A: Yes, termination is crucial for integration. Common options include flattened/pressed ends for bolted connections, tinned ends for soldering, or custom shapes to interface with specific connectors. We can discuss and provide the termination style that best suits your module design.
Q7: What quality controls are applied during manufacturing? A: Our production follows stringent quality management systems, including ISO9001 and ISO16949. Controls include material verification (copper purity), dimensional checks, electrical conductivity tests, and visual inspection for consistency of the braid.
Q8: Can you provide samples for testing and evaluation? A: Absolutely. We encourage potential clients to evaluate our products. Sample busbars with specific dimensions and terminations can be provided upon request to allow for fit, form, and function testing within your battery prototype.
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