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In Situ Investigations of Simultaneous Two‐Layer Slot Die Coating of Component‐Graded Anodes for Improved High‐Energy Li‐Ion Batteries
Author(s) -
Diehm Ralf,
Kumberg Jana,
Dörrer Christopher,
Müller Marcus,
Bauer Werner,
Scharfer Philip,
Schabel Wilhelm
Publication year - 2020
Publication title -
energy technology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.91
H-Index - 44
eISSN - 2194-4296
pISSN - 2194-4288
DOI - 10.1002/ente.201901251
Subject(s) - coating , materials science , anode , electrode , layer (electronics) , adhesive , composite material , electrochemistry , die (integrated circuit) , natural rubber , nanotechnology , chemistry
The use of thicker electrodes can contribute to a reduction in cell costs. However, the properties of the electrode must be kept in view to be able to meet the performance requirements. Herein, the possibility of simultaneous multilayer slot die coating is investigated to improve the electrode properties of medium‐ and high‐capacity anodes. The stable coating window of the two‐layer slot die coating process is investigated to produce property‐graded multilayer electrodes. Electrodes with different styrene–butadiene rubber (SBR) gradients are investigated with regard to adhesive force and electrochemical performance. An increase in the adhesive force of up to 43.5% and an increase in the discharge capacity is observed.