Laser cleaning device and cleaning method thereof

The invention discloses a laser cleaning device and a cleaning method thereof.The laser cleaning device comprises a conveying mechanism and two laser cleaning mechanisms; the conveying mechanism is used for conveying a pole piece material belt, one of the two laser cleaning mechanisms is used for cleaning a thinning area on one side of the pole piece material belt, and the other one of the two laser cleaning mechanisms is used for cleaning a thinning area on the back side of the pole piece material belt. Through the arrangement, the edge of the pole piece thinning area is reasonably cleaned, and the quality yield and the safety performance of the battery are improved. 本发明公开一种激光清洗装置及其清洗方法，其中，所述激光清洗装置包括输送机构和两激光清洗机构；所述输送机构用于输送极片料带，所述两激光清洗机构中的一个用于清洗所述极片料带一侧的削薄区，所述两激光清洗机构中的另一个用于清洗所述极片料带背侧的削薄区。通过上述设置，以合理地清洗极片削薄区边缘，提升电池的品质良率以及安全性能。