Jun 7, 2024

Innovative Battery Cell Connector with Copper Foils: A Case Study

Telsonic’s advanced ultrasonic metal welding technology has been successfully applied in a groundbreaking solution for connecting battery cell connectors using thin copper foils. This innovative application ensures minimal electrical resistance and high production efficiency, setting new standards for the battery manufacturing industry.

In battery cell manufacturing, it is essential to electrically connect the current collectors made of thin copper foils from individual cells and weld them to a central nickel-plated copper busbar. Due to the large number of connection layers, the electrical resistance must be kept as low as possible. The high production volume also requires an automated manufacturing process with continuous quality monitoring after validation.

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