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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 Factory Suppliers

The flexible aluminum foil laminated connectors are essential components for lithium batteries used in new-energy vehicles. Manufactured by leading suppliers in China, these connectors are produced in our state-of-the-art factory. Each lamination is precisely shaped through a single cutting process, and the contact area is expertly welded using advanced molecular diffusion welding technology. By pressing and heating the laminations together, we ensure robust connections that enhance performance. The superior flexible conductivity of our aluminum connectors prevents loosening of fasteners during vehicle operation, minimizing the risk of poor battery pack conductivity. Additionally, the lightweight nature of aluminum contributes to the overall efficiency of electric vehicles, making our products a reliable choice for the industry.
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    Product Details

    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

    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

    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 the main advantages of aluminum foil laminated connectors over copper?
    They provide a 60%~70% weight reduction compared to copper connectors, helping extend EV driving range, while offering extreme flexibility to minimize bending stress and molecular diffusion welding for low contact resistance.
    What is the operating temperature range for these connectors?
    The standard operating temperature range is -40℃ to +105℃, with short-term heat resistance up to +120℃.
    How are aluminum foil laminated connectors installed?
    They can be fixed by bolts or laser welded to battery tabs. Ensure excessive bending, continuous tensile, or twisting of the laminated body is avoided during installation.
    What is the expected service life under standard vehicle conditions?
    Under normal operating conditions within design limits, the design service life typically matches that of EV battery packs, which is around 8–10 years.
    Can connectors be customized according to specific battery module designs?
    Yes, the number of foil layers, overall length, width, and terminal shapes can be manufactured according to customer technical drawings or physical samples.
    What routine maintenance is recommended?
    Check bolt torque every 6 months using a torque wrench, clean dust using dry oil-free compressed air, and inspect for delamination, broken foils, or edge oxidation.