Burr Process for Preparing Battery Cell Comprising Ablation Step of Burr Using Fiber Pulse Type Laser

摘要

The present invention provides a battery cell manufacturing method including a process of removing burr and contamination generated in a welding part in laser welding for combining a top cap to an upper end of an open side of a can body made of metal, wherein the removing process is performed by a fiber pulse type laser, and a battery cell manufactured thereby. Accordingly, the present invention can improve process efficiency.