Copper Busbar is an important electrically conductive material, which is widely used in many fields such as electric power, new energy vehicles, hybrid traction equipment, communication base stations, large network equipment and so on. The insulation layer consists of heat-shrinkable tubing with good conductivity and stability. In the field of new energy vehicles, copper busbar, as a connecting part between battery module and battery pack, is responsible for realizing the electrical connection between the electric cells and ensuring the stable transmission of current. Its multi-layer composite structure makes the current distribution more uniform, improving the energy density and safety of the battery pack. Copper busbar is also characterized by easy installation and bending resistance, making it able to perform well in various complex environments. At the same time, copper busbar also has excellent heat dissipation performance, can effectively reduce the temperature of the equipment, improve the operating efficiency and service life of the equipment.Copper Busbar as a high-performance conductive material, in various fields play an irreplaceable role, for the normal operation of the power system and equipment to provide a strong guarantee.