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https://drivepatents.com/patents/1399845 · 26 Nov 2025
A lamination apparatus for a secondary battery according to the present invention comprises a lamination device provided with a supply unit, which supplies electrodes disposed by a set gap on a separation sheet, and a bonding unit, which bonds the separati...
https://drivepatents.com/patents/1397653 · 5 Nov 2025
A die cutting device (100), comprising a conveying mechanism (10), a first cutting mechanism (20), a first limiting piece (30) and a second limiting piece (40). The conveying mechanism (10) is used for conveying a pole piece (200). The first cutting mechan...