Manufacturing Technology of Lithium Secondary Battery Electrode Treated by Laser and Lithium Secondary Battery Using the Same

摘要

Disclosed is a laser processing apparatus for surface treatment of electrodes. According to one aspect of this embodiment, in the laser processing apparatus for surface treatment of a silicon electrode into which lithium ions are inserted, a light source irradiating a laser light and a laser light irradiated from the light source are applied to lithium It provides a laser processing apparatus comprising an optical system for transferring ions to the surface of the inserted silicon electrode.