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BRIDGOLD Aluminum Foil Laminated Connectors
BRIDGOLD Aluminum Foil Laminated Connectors
BRIDGOLD Aluminum Foil Laminated Connectors
BRIDGOLD Aluminum Foil Laminated Connectors

Flexible Aluminum Foil Laminated Connectors for Lithium Batteries | China Suppliers & Factory

Discover our advanced flexible aluminum foil laminated connectors, specially designed for lithium batteries in new-energy vehicles. As a leading factory in China, we utilize cutting-edge molecular diffusion welding technology to ensure each lamination is shaped with precision and integrity. Our connectors are crafted through a single cutting process, enhancing the reliability of the contact area. This innovative design not only ensures excellent flexible conductivity but also prevents fasteners from loosening during vehicle operation, which can lead to poor battery pack performance. Lightweight and efficient, our aluminum connectors are the ideal choice for suppliers seeking high-quality components for the electric vehicle market. Choose us for superior solutions tailored to your needs in the ever-evolving energy landscape.
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    Product Details

    Key Advantages

    Extreme Flexibility

    Multi-layer ultra-thin aluminum foil laminated structure minimizes bending stress, adapting to frequent vibration and thermal expansion/contraction inside battery packs.

    Molecular Diffusion Welding

    No additional solder; low contact resistance, excellent fatigue resistance, and uniform strong bonding.

    Lightweight Design

    60%~70% weight reduction compared to copper connectors, helping to extend EV driving range.

    Reliable Conductivity

    Pure aluminum provides stable conductivity, reducing the risk of loose contact or local overheating over long-term use.

    Flexible Customization

    Number of layers, length, width, and terminal shape can be manufactured according to customer drawings or samples for various battery modules.

    Product Display

    Aluminum Foil Laminated Connectors (1)
    Aluminum Foil Laminated Connectors (2)

    Operating Conditions

    Operating temperature range: -40℃ to +105℃ (short-term up to +120℃)
    Suitable environment: Dry or indoor conditions with relative humidity ≤85% (typical inside battery packs)
    Installation method: Fixed by bolts or laser welded to battery tabs; avoid excessive bending or twisting of the laminated body
    Dynamic applications: Suitable for low-frequency vibration and small displacement (amplitude ≤2mm, frequency ≤50Hz) during vehicle operation
    Electrical requirements: Suitable for DC or AC systems; rated voltage ≤1500V (for new-energy battery systems)

    Maintenance Guidelines

    Check bolt torque every 6 months or during vehicle maintenance (torque wrench recommended).
    Clean dust using dry, oil-free compressed air or a soft brush; do not use solvents or corrosive cleaners.
    Inspect for delamination, broken foils or discoloration on edges. If single-layer lifting or severe oxidation is found, replace immediately.
    Avoid continuous tensile or bending stress on the connector during installation to prevent fatigue life reduction.

    Service Life

    Under normal operating conditions (temperature, vibration, and current within design limits), the design service life of aluminum foil laminated connectors matches that of new-energy vehicle battery packs: typically 8–10 years.

    After-Sales Service

    Free technical support: engineering consultation, drawings...

    Custom orders: lead time & quality report provided before shipment

    Contact Us

    Zhejiang Bridgold Copper Tech Co., Ltd. is a professional leader China aluminum laminated shunts, aluminum laminated flexible connectors, laminated aluminum connectors, aluminum foil laminated connectors, laminated aluminum foil connectors manufacturers and suppliers with high quality and low price. Welcome to contact us.

    Frequently Asked Questions (FAQ)

    What are aluminum foil laminated connectors used for?
    They are primarily used in electric vehicle (EV) battery packs, energy storage systems, and power distribution units. Their flexible multi-layer structure absorbs thermal expansion and dynamic vehicle vibrations, preventing connection fatigue and electrical failure.
    Why choose aluminum foil laminated connectors over copper connectors?
    Aluminum foil connectors offer a significant 60% to 70% weight reduction compared to traditional copper connectors. This lightweight property is critical for extending EV driving range while maintaining high electrical conductivity and reliable mechanical strength.
    What is the advantage of molecular diffusion welding in these connectors?
    Molecular diffusion welding fuses aluminum foils at the atomic level without foreign solder alloys. This ensures uniform bonding, extremely low contact resistance, superior joint durability, and minimal risk of localized overheating.
    Can these aluminum laminated connectors be customized to specific drawings?
    Yes. Parameters such as foil thickness, layer count, overall width, terminal hole configurations, and specialized surface treatments can be fully customized according to engineering drawings and application specifications.
    What is the expected service life in standard operating conditions?
    Under rated thermal (-40°C to +105°C), electrical (≤1500V), and vibration parameters, the designed operational lifespan matches the typical lifecycle of modern EV battery modules, which is 8 to 10 years.
    How should laminated aluminum flexible connectors be maintained?
    Regular maintenance includes inspecting bolt torque every 6 months with a torque wrench, cleaning surface dust using oil-free dry compressed air, and visually inspecting foil edges for signs of delamination, oxidation, or mechanical stress.