Welding Device, Battery Manufacturing Device, And Vehicle Manufacturing Device

Abstract: A welding device capable of minimizing welding defects, and a battery manufacturing device and a vehicle manufacturing device comprising said welding device are provided. A welding device according to an aspect of the present invention comprises: a laser emitting module configured to emit a laser; a protection module disposed outside the laser emitting module and configured to block scattered particles scattered from a welding part; and a blocking module disposed outside the protection module and configured to prevent the scattered particles to be introduced into the side of the protection module by gas introduced thereinto.

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