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For the professional multi-layer flexible circuit board used in the management of charging and discharging of new energy vehicle power batteries, we can adopt the following technologies and processes:
Material Selection: Choose materials with excellent conductivity, high temperature resistance, corrosion resistance, and flexibility, such as polyimide (PI), to meet the requirements of the power battery system.
Multi-layer Structure Design: Employ a multi-layer structure design to increase the current-carrying capacity and signal transmission channels of the circuit board, meeting the demands of the charging and discharging management system for circuit complexity and performance.
High-Density Layout: Implement high-density layout design to make the components and circuits on the circuit board more compact, improving energy transmission efficiency and system integration.
Thermal Conductivity Design: Introduce thermal conductivity channels or heat dissipation structures in the circuit board to enhance the heat dissipation efficiency of the battery during charging and discharging, ensuring the temperature stability of the battery system.
Safety Protection Design: Include safety protection devices such as overcurrent protection, overvoltage protection, and undervoltage protection to ensure that the battery system can stop working in time under abnormal conditions, avoiding safety accidents.
Flexible Circuit Manufacturing Process: Utilize flexible circuit board manufacturing processes such as etching, printing, stripping, and copper plating to ensure the flexibility and foldability of the circuit board, adapting to the form and layout requirements of the battery system.
AOI Inspection: Conduct automated optical inspection (AOI) and other quality inspections to ensure quality control and defect detection during the production process of the circuit board, guaranteeing the stability and reliability of the product.
Durability Testing: Perform durability tests such as bend endurance testing and heat resistance testing to evaluate the durability and structural stability of the circuit board, ensuring that no open or short circuits occur during long-term use.
