Communication—Edge Quality Contribution on the Electrical Impedance of Lithium-Ion Batteries Electrodes. Issue 8 (20th April 2020)

• Record Type: Journal Article
• Authors: Carbonari, Gilberto; Müller, Verena; Scurtu, Rares-George; Memm, Michaela; Hoffmann, Alice; Wohlfahrt-Mehrens, Margret
• Is Part Of: Journal of the Electrochemical Society. Volume 167:Issue 8(2020)
• Publication Date: 2020-04-20
• Subjects: Laser cutting -- Contact resistance -- LiBs -- Impedance Spectroscopy -- Symmetric cells; Electrochemistry -- Periodicals; 541.3705
• DOI: 10.1149/1945-7111/ab8875
• Languages: English
• ISSNs: 0013-4651

Abstract

Abstract : Lithium-ion batteries (LiBs) industrial production requires a large number of skills in many scientific fields. The process starts from the electrodes manufacturing and ends with the battery formation. Electrodes cutting is undoubtedly a crucial step as it could turn out to be one of the bottlenecks for a fast and efficient production. In this paper, we propose a quicker and cheaper method to evaluate the electrical contact resistance between coating and current collector (RContact ) by using impedance spectroscopy (EIS) to compare different cutting methods. The results show the existence of a cutting technique—cell performance relationship.