Device for notching a secondary battery manufactured using the same
US10576558B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 24, 2013 |
| Grant date | Mar 3, 2020 |
| Priority date | — |
| Expiry date | Aug 15, 2034 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T83/664
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
Disclosed is a device for notching, at an interval of a unit electrode, a continuous electrode sheet in which an electrode active material is applied to one or both surfaces thereof, to form a plurality of unit electrodes from the electrode sheet, the device including a press to press notches on the top and the bottom of the electrode sheet at a set position, and two or more grippers arranged at the rear of the press based on a feed direction of the electrode sheet, the grippers drawing and transporting the electrode sheet by one pitch, a size corresponding to the unit electrode according to operation of the press, wherein while one of the grippers draws and transports the electrode sheet, the remaining grippers move to a position for drawing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.