Patent · US Active

Slot die coating device having air vent

US11819876B2 · kind B2 · utility

1Cited by
1References
10Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 12, 2020
Grant dateNov 21, 2023
Priority date
Expiry dateAug 28, 2040

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02E60/10
  • WIPO fieldSurface technology, coating
  • WIPO sectorChemistry

Abstract

The present disclosure relates to a slot die coating apparatus for coating an electrode active material slurry onto an electrode collector, the slot die coating apparatus including a coating roller, a die comprising a lower discharge opening, through which a first electrode active material slurry is discharged, and an upper die located on the upper side of the lower die and having an upper discharge opening, through which a second electrode active material slurry is discharged, and an upper air vent may be installed in the upper die and a lower air vent may be installed in the lower die.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.