Battery Bus Bar
Battery Bus Bar is a low parasitic, high reliability, fully insulated power connection component designed specifically for in vehicle high-voltage electrical systems. Its core positioning is the DC link hub between thin film capacitors and power units, used to solve system pain points under high current, high switching frequency, and high voltage conditions. In scenarios such as electric drive, fast charging, battery management, and vehicle power supply, it replaces traditional wiring harnesses and scattered copper bars with an integrated stacked structure, achieving low impedance, low inductance, low heating, and strong anti-interference power transmission, stabilizing DC bus voltage, protecting IGBT/SiC devices, and improving the efficiency and safety level of the vehicle's electrical system.
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Product Introduction
With the continuous advancement of global carbon neutrality goals, the application boundaries of Battery Bus Bar in fields such as new energy vehicles, photovoltaic power generation, wind power generation, and flexible direct current transmission are constantly expanding. In the new energy vehicle industry, film capacitors mainly serve electric drive systems, car chargers, and supporting charging stations. As a key component of the electric drive system, it utilizes excellent filtering, resonance, and pulse absorption functions to effectively solve the problem of significant voltage oscillations caused by rapid changes in current during the conversion of direct current to alternating current, protecting semiconductor devices from voltage degradation and eliminating high-frequency noise.
Mainstream engineering scenarios
Motor controller DC bus
The Battery Bus Bar can stabilize bus voltage, absorb high-frequency pulses, reduce EMI, and extend the life of power devices. It has been widely used in passenger and commercial vehicle electric drive systems.
01
Battery Management System BMS Interconnection
Automotive BusBar PET Insulation can connect capacitors and battery packs with low loss, improve voltage smoothness, adapt to high and low temperatures and vibrations, and extend battery cycle life.
02
DC fast charging system capacitor busbar
The Automotive Ground Bus Bar can withstand instantaneous high currents, with low heating, high insulation, and no risk of breakdown, ensuring efficient and stable fast charging.
03
Vehicle power supply OBC/DC-DC/PDU
Optimize wiring in dense spaces, increase creepage distance, reduce wiring harnesses and connectors, and improve integration and reliability.
04
production process
Mould and conductor forming
Through professional mold design and high-precision CNC stamping, high-purity copper materials are processed into conductive busbars with preset structures, ensuring the basic dimensional accuracy and current path optimization of the BusBar Automotive, laying a stable foundation for subsequent processes.
Welding and surface treatment
Using automated welding technology to complete component connections, followed by ultrasonic cleaning to remove impurities, and then entering a professional electroplating line for tin/nickel plating treatment to improve the surface oxidation and corrosion resistance and contact reliability of Auto Bus Bar.
Precision assembly and performance testing
Assemble key components such as rivet nuts, and then conduct a comprehensive inspection, including key indicators such as the dimensional accuracy of the EV BusBar, the thickness of the plating layer, and the welding pulling force.
Finished product packaging delivery
Pack BusBar Cars that have passed the inspection with anti-static and shockproof packaging to ensure quality and safety during transportation, and achieve full process controllability and traceability from production to delivery.
Packing & Delivery
With a well-established supply chain management system and strong customs clearance capabilities, we offer full-process visual tracking services to ensure your goods are delivered on time and safely. The MOQ of product is 1,000 pcs/item, with a delivery time of 20-30 days for orders and 5-10 days for sample (including copper tooling/mold production) stamping parts.
The package of Battery Bus Bar: Inner plastic bag + inner EPE foam packaging + outer carton + outer pallet + cable ties and moisture-proof plastic wrap. We support early-stage engineering communication and sample evaluation, and welcome you to contact us anytime.
contact us
Our team focuses on producing stamping part series and has a professional engineering team. If you are currently in the EV Capacitor Busbar selection or technical evaluation stage, please provide project conditions and key parameters for engineering confirmation.
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