Copper Foil Multi-Layer Welding Busbar
The Copper Foil Multi-Layer Welding Busbar is an advanced conductive component designed specifically for high-power-density power electronic systems. Unlike traditional solid copper busbars, this product is integrally formed from multiple layers of ultra-thin copper foil (typically 0.05mm-0.5mm thick) through a precision lamination and end solid-state welding process.
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Product Introduction
Copper Foil Multi-Layer Welding Busbar is a precision power transmission component with low impedance, low stray inductance, and high heat dissipation. It is formed by stacking multiple layers of thin copper foil and welding them into a single piece, replacing the traditional single thick copper busbar. It solves the three core pain points of "current transmission efficiency, space layout, and thermal management" in high-power power electronic equipment and is widely used in new energy vehicles, energy storage systems, photovoltaic inverters, wind power converters, low-voltage electrical equipment and other scenarios.
Core features
Conductor Material: Manufactured using high-purity T2/TU1 electrolytic copper foil, with a purity ≥99.95% and conductivity ≥98% IACS. It features low transmission loss, complies with RoHS and REACH standards, and is suitable for demanding conductive applications such as photovoltaics and automotive for Flexible busbar.
Specifications: Single copper foil thickness ranges from 0.05–0.3mm, with 2-50 layers available for customization. Current carrying capacity is 200A–20000A, precisely adaptable to various power levels of equipment, reducing Copper Busbar selection and adaptation costs.
Structural Characteristics: Automated precision stacking ensures tight bonding of multiple copper foil layers, with full-layer integrated welding completely eliminating contact resistance and improving Automotive Copper Busbar long-term operational stability, suitable for continuous operation requirements.
Environmental Compatibility: The Multi Layers Copper Foil Flexible BusBar can operate stably in a wide temperature range of -40℃ to +150℃. Insulation classes are selectable at 125℃/155℃/180℃. It is vibration-resistant and heat-resistant, suitable for complex industrial environments such as automotive and outdoor applications.
Surface Treatment: Customizable with tin plating, nickel plating, and other finishes. Plating thickness ranges from 0.1-5μm, offering strong adhesion, oxidation and corrosion resistance, extended lifespan, and reduced Flexible BusBar maintenance costs.
Connection Methods: Compatible with various installation methods including welding and bolting, allowing for flexible selection as needed. No equipment modification is required, making Flexible Copper BusBar suitable for various power electronic equipment installation requirements.
Technological advantages
Precise Technology Adaptation
Customized parameters based on customer drawings, covering both automotive and photovoltaic scenarios, providing exclusive solutions and significantly reducing Copper Flexible BusBar selection difficulty.
Outstanding Long-Term Reliability
Full-layer integrated welding eliminates gaps, ensuring no solder joint failure after thousands of thermal cycles, resulting in a Flexible BusBar lifespan exceeding 20 years and eliminating potential overheating risks.
Stable Electrical Performance
Symmetrical layout reduces stray inductance by 30%, rated current temperature rise ≤40℃, effectively suppressing high-frequency interference and eliminating hot spots during Copper BusBars operation.
Optimized Structural Design
Multi-layer thin copper foil allows for flexible bending, reducing weight by 40% compared to thicker copper busbars, allowing for compact space adaptation and facilitating equipment miniaturization.
Factory advantages
We have our own factories in Xiamen and Ningbo. Leveraging the industrial cluster advantages of these two cities, we integrate the group's capital and technological resources, and are equipped with a full set of copper foil cutting, stacking, welding, and testing equipment. This enables us to independently produce Copper Foil Multi-Layer Welding Busbar throughout the entire process. Our factories strictly adhere to the ISO9001-2015 and IATF16949 quality systems to ensure product manufacturing consistency and stable production capacity. At the same time, by leveraging the advantages of localized production, we further shorten order delivery times and provide customers with more efficient and reliable product supply guarantees.
contact us
We welcome you to contact us for details on custom Copper Foil Multi-Layer Welding Busbar, to accurate quotations, and to work together to reduce costs and increase efficiency in engineering procurement and stabilize the supply chain.
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