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EV Battery Busbar Conductors: Tinned for Corrosion Resistance, Bare Copper for High Conductivity
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Dual-option EV battery busbars: Tinned copper for maximum corrosion resistance in harsh environments, and bare copper for peak electrical conductivity where efficiency is critical. Precision-crafted from high-purity copper, they ensure reliable power distribution, enhanced thermal management, and long-term durability for battery packs. Customizable dimensions and shapes to fit specific module designs.
US$ 1
≥100 Units
Key Specifications
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Material:
Copper
Surface Treatment:
Tinned or Bare
Primary Application:
Electric Vehicle Battery Packs
Payment & Shipping
Payment Methods:
Port of Shipment:
China
Delivery Detail:
Delivery time depends on order quantity.
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Material
Copper
Surface Treatment
Tinned or Bare
Primary Application
Electric Vehicle Battery Packs
Key Feature
High Conductivity, Corrosion Resistant
Customization
Dimensions and shapes available
Compliance Standards
Relevant automotive and electrical standards
As a specialized manufacturer with over a decade of experience, Jinhua Dika Electrical Equipment Co., Ltd. is dedicated to producing high-performance electrical components for the global automotive and energy sectors. Our EV Battery Busbar Conductors are engineered to meet the rigorous demands of modern electric vehicle powertrains. We offer two primary variants: Tinned Busbars for superior corrosion resistance in challenging environments, and Bare Copper Busbars for applications where maximum electrical conductivity is paramount. This dual-option approach allows us to provide tailored solutions that enhance the reliability, efficiency, and longevity of your battery pack assemblies.
The core of our product line focuses on delivering exceptional performance through material science and precision engineering. Our busbars serve as the critical high-current links within EV battery modules, ensuring stable and efficient power distribution between cells. The choice between tinned and bare copper is a strategic one, directly impacting the pack's performance and durability.
Key Features & Technical Advantages:
- Material Excellence: We utilize high-purity, oxygen-free copper (C11000 or equivalent) as the base material, known for its excellent electrical and thermal conductivity.
- Tinned Option for Corrosion Defense: The hot-dip tinning process creates a uniform, solderable layer that acts as a robust barrier against oxidation, sulfide formation, and galvanic corrosion, especially important in humid or chemically active environments.
- Bare Copper for Peak Conductivity: The bare copper option provides the absolute lowest electrical resistance, minimizing energy loss as heat and maximizing the pack's overall efficiency and power output.
- Precision Fabrication: Busbars are precision stamped, bent, or machined to exact specifications, ensuring perfect fit and optimal contact surface area within the battery module.
- Thermal Management: The high thermal conductivity of copper aids in dissipating heat away from battery cells, contributing to thermal stability and safety.
- Design Flexibility: We support custom designs for complex shapes, specific hole patterns, and unique profiles to integrate seamlessly into various battery pack architectures.
Technical Specifications & Selection Guide:
| Parameter | Tinned Copper Busbar | Bare Copper Busbar |
|---|---|---|
| Base Material | High-Purity Copper | High-Purity Copper |
| Surface Finish | Hot-Dip Tin Plating | Bare, Mill Finish or Polished |
| Primary Advantage | Superior Corrosion Resistance, Solderability | Maximum Electrical Conductivity |
| Typical Thickness Range | 0.8mm - 3.0mm (Customizable) | 0.8mm - 3.0mm (Customizable) |
| Width Range | 10mm - 100mm (Customizable) | 10mm - 100mm (Customizable) |
| Ideal Application Environment | High Humidity, Potential Chemical Exposure, Long-Life Cycles | Controlled Environments, Performance-Critical where Every Watt Counts |
Benefits for Your EV Battery Project:
- Enhanced Reliability: Reduced risk of connection failure due to corrosion ensures consistent performance over the vehicle's lifespan.
- Improved Efficiency: Low-resistance connections minimize parasitic losses, directly translating to better range or power availability.
- Thermal Safety: Efficient heat spreading helps maintain uniform cell temperatures, a critical factor in battery safety and longevity.
- Simplified Assembly: The solderable surface of tinned busbars can facilitate easier welding or soldering during pack assembly.
- Design Freedom: Our customization capability allows you to optimize the busbar layout for space, weight, and electrical performance.
Frequently Asked Questions (FAQ):
-
Q: When should I choose tinned busbars over bare copper?
A: Opt for tinned busbars when your battery pack will operate in environments with high humidity, temperature fluctuations, or potential exposure to corrosive elements. The tin layer provides a durable protective barrier, making it a preferred choice for applications demanding long-term reliability and corrosion resistance. -
Q: Does the tin plating affect the electrical conductivity significantly?
A: While tin has lower conductivity than copper, the plating layer is very thin. The overall impact on the busbar's total resistance is minimal, especially when considering the significant benefit of corrosion protection it provides. For ultra-high-performance applications where absolute minimum resistance is critical, bare copper is recommended. -
Q: Can you manufacture busbars to our specific CAD drawings?
A: Absolutely. We specialize in custom fabrication. Providing us with your detailed drawings (DXF, DWG, STEP) allows us to produce busbars with precise dimensions, hole patterns, and bend profiles that fit your battery module design perfectly. -
Q: What are the typical lead times for custom orders?
A: Lead times vary based on order complexity and volume. For standard custom profiles, production can often commence within 2-3 weeks after finalizing design and terms. We provide specific timelines with each quotation. -
Q: How do you ensure quality control for such critical components?
A> Our manufacturing processes are guided by a commitment to quality, as reflected in relevant management system standards. We implement in-process checks for dimensions, visual inspection for surface defects, and can perform sample testing for conductivity and plating thickness upon request. -
Q: Are your busbars suitable for other high-current applications besides EV batteries?
A: Yes. Our copper busbars are widely used in energy storage systems (ESS), uninterruptible power supplies (UPS), power distribution units, and industrial switchgear—anywhere robust, high-current electrical connections are required. -
Q: Do you offer different tin plating thicknesses?
A: Yes, the plating thickness can be adjusted based on your specific corrosion protection requirements and cost considerations. Standard thicknesses are available, and custom specifications can be discussed. -
Q: What packaging do you use to prevent damage during shipping?
A: We use anti-tarnish paper, bubble wrap, and sturdy cardboard boxes to protect the busbars from physical impact and environmental exposure during transit, ensuring they arrive in perfect condition.
Backed by an annual export value demonstrating our global reach and supported by a dedicated team, Jinhua Dika combines manufacturing expertise with a client-focused approach. Our presence in major global markets, facilitated by multiple shipping ports, ensures reliable and efficient logistics for your supply chain. We understand that the busbar is more than just a metal strip; it's a vital artery for power in your EV system. Choosing our conductors means investing in a component that contributes directly to the performance, safety, and durability of the final product. Contact us today to discuss your specific requirements, request samples, or receive a detailed quotation. Let us provide you with a reliable, high-performance connection solution for your next-generation electric vehicle projects.
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1Yr
Business Type
Manufacturer
Annual Export Value
US$1 Million - US$1.5 Million
Total Employees
11 - 50 People
Product Certifications
HACCP, TL900, QS9000, SA8000, ISO9001, ISO9004, ISO17799, ISO9000, ISO14000, ISO10441, ISO16949, TS16969, ISO19011:2000, OHSAS18001, Others
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