Secondary battery electrode plate including electrode mixture regions having different binder content, and method for manufacturing secondary battery electrode using same
US12057567B2 · kind B2 · utility
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17Claims
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Key dates
| Filing date | Oct 6, 2020 |
| Grant date | Aug 6, 2024 |
| Priority date | — |
| Expiry date | Sep 11, 2042 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P70/50
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
The present invention relates to an electrode slurry coating device and method, wherein the heights of first and second slot die heads for discharging active material can be controlled according to time to improve process efficiency and reduce defect rates when forming an active material layer having a double layer structure.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.