Categories: ChemistryMaterials SciencePhysics

Slot die coating of lithium-ion battery electrodes: investigations on edge effect issues for stripe and pattern coatings

Marcel Schmitt, Philip Scharfer, Wilhelm Schabel

DOI: 10.1007/s11998-013-9498-y

Journal-article published June 2013 in Journal of Coatings Technology and Research volume 11 issue 1 on page 57-63
© Springer Nature

Keywords: #tape casting  # slot die coating  # coating speed  #edges of films  # draw ratio  Edit keywords

1 0 5.0 Posted: 07.Jan.2019

Describes ways to control shear rate. The main issue with a slot die coating - stability of the film. The smaller the gap, the wider is the edge of the film, however the change of speed and gap don't affect the quality of the edges. Requirements to the battery manufacturing. advantages and disadvantages of the slot die coatings. Inhomogeneous films lead to an increase of the operating cells, the stack of electrodes grows in volume, what decreases power density. detailed study of draw ratio.

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