Ev Battery Connector
Products Description
Our EV battery connector is essentially a "high-power, high-safety, and highly intelligent power interface system." It possesses the following core features:
The "muscle" of high-voltage power transmission: Utilising high-purity copper busbars as the core conductor, it carries hundreds of amperes of continuous current with extremely low resistance, providing a continuous and powerful power supply to the vehicle.
The "nerve centre" of system safety: Integrating a high-voltage interlock (HVIL) circuit, temperature sensors, and other intelligent sensing components, it monitors the connection status in real time and can respond in milliseconds to abnormalities, cutting off the high-voltage circuit and establishing the first line of active safety defence.
Adaptable to dynamic environments: Its structural design fully considers the vibrations, impacts, and thermal cycles caused by battery charging and discharging during vehicle operation, ensuring a stable and reliable connection throughout the entire vehicle's lifespan.
Key Product Features: Precise Fit of Copper Busbars for New Energy Operating Conditions
| High Conductivity Integrated Structure | Utilising a single-plate oxygen-free copper busbar as the conductive core, there are no splicing breaks, resulting in a short and uniform current transmission path, avoiding localised resistance increases. The busbar surface undergoes precision processing, resulting in extremely low contact resistance, suitable for the ultra-high current transmission requirements of electric vehicle fast charging scenarios, reducing energy loss. |
| Vibration-Resistant and Loosening-Proof Design | Employing a floating connection structure and multi-point locking mechanism, it can compensate for ±0.5mm installation errors and vibration displacement. Even under high-frequency vibration environments during vehicle operation, automotive ground bus bar maintains a tight connection, preventing excessive temperature rise or poor contact caused by loosening. |
| High-Temperature Sealing Protection | Suitable for battery packs operating in a wide temperature range of -40℃ to +125℃. Employing high and low temperature resistant fluororubber seals and a double-sealing structure, the automotive bus bar achieves an IP67 protection rating, effectively preventing dust and moisture intrusion while resisting chemical corrosion within the battery pack, preventing seal failure. |
| Long-life plug-in/plug-out characteristics | The contact points are silver-plated and have a self-lubricating structure, resulting in a plug-in/plug-out life of over 1000 cycles, making the busbar car suitable for frequent plug-in/plug-out scenarios such as battery swapping stations and battery maintenance; the busbar and contacts are integrally moulded, exhibiting excellent fatigue resistance and withstanding the stress impact of long-term charge-discharge cycles. |
Material Advantages: Laying the Foundation for Ultimate Performance
Material selection is the first step in determining the upper limit of automotive power connectors' performance. We have no compromises on this.
Conductor Core – High-Purity Oxygen-Free Copper (OFHC):
We use high-purity oxygen-free copper with an oxygen content of less than 0.001% as the busbar substrate. Compared to ordinary copper, it has superior conductivity and better creep resistance. This means lower energy loss (directly translating to longer battery life) and a more stable connection under long-term thermal expansion and contraction stress.
Surface Plating – Guardian of Performance:
We offer plating solutions optimised for different application scenarios:
Silver Plating: Used in key contact areas, leveraging silver's unparalleled conductivity and resistance to sulfidation to ensure extremely low contact resistance, maintaining performance like new even after long-term exposure.
Nickel Plating: Used in bolted connection areas and the housing, utilising its hardness, wear resistance, and excellent corrosion resistance to ensure the mechanical strength and long-term reliability of the connection.
Key Functions: Beyond Connectivity – System Value
High-Current Stable Transmission Guarantee
Under the high-current loads of electric vehicles, the busbar electric vehicle ensures stable current transmission, preventing voltage fluctuations caused by poor contact and providing reliable power support for the motor drive and BMS.
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Proactive System Safety Guarantee
By reducing contact resistance and optimising thermal management, the ev battery busbar significantly reduces safety risks caused by connection point failures, providing proactive safety protection for the battery system.
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Key to Extended Battery Life
Stable connections reduce additional losses in the battery system due to poor contact, extending the overall lifespan of the battery pack and delivering long-term value to users.
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Optimised Lifecycle Costs
High-reliability design reduces maintenance requirements and lowers the overall lifecycle cost of the vehicle. Throughout the entire lifecycle of an electric vehicle, the automotive battery terminal bus bar's reliable performance significantly reduces downtime due to malfunctions, improving user satisfaction.
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