Since the lithium-ion battery system is composed of many unit cells, modules, etc., it involves a lot of battery welding technology. Common battery welding technologys are: ultrasonic welding, resistance spot welding, laser welding, pulse TIG welding.
Common battery welding technologys are: ultrasonic welding, resistance spot welding, laser welding, pulse TIG welding. This post combines the application results of the above battery welding technologies in lithium-ion battery systems, and explores the influencing factors. Ultrasonic welding is a solid state battery welding process.
Lithium batteries are welded using the autogenous welding process, which does not require any filler material. This process ensures that the electrodes are welded together correctly.
Limiting the application of ultrasonic welding in lithium-ion electronic systems is mainly due to the low welding thickness (<3mm) of this battery welding method and the inability to achieve welding of high-strength material workpieces.
As a non-contact battery welding process, laser welding has corresponding advantages for lithium battery welding.
Therefore, the study of battery welding technology is of great significance for the improvement of connection performance of lithium batteries, process optimization, and process management strengthening of manufacturing engineering.
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lithium-ion cell welding in battery production
Connect busbars and sensors to lithium-ion battery cell-terminals or weld battery frame components with our laser welding equipment.
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Fig. 8 illustrates the functional principle of welding battery cells by ultrasonic vibration. ... Process and Quality Characterization for Ultrasonic Welding of Lithium-ion Batteries, Ph.D. Dissertation. University of Michigan, Ann Arbor, MI (2013 ... Proceedings of 6th LAMP, Niigata, Japan (2013), pp. 1-8. Google Scholar [30] M. Schweier, J.F ...
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