Investigation of Laser Cutting Width of LiCoO2 Coated Aluminum for Lithium-Ion Batteries
AbstractLithium-ion batteries are widely used for many applications such as portable electronic devices and Electric Vehicles, because they have lighter weight, higher energy density, higher power density, and a higher energy-to-weight ratio than other types of batteries. Conventional contact-based cutting technology may be inefficient whenever cell design is changed since lithium-ion battery cells are not standardized. Furthermore, the conventional cutting may result in process instability and a poor cut quality due to the tool wear so that it leads to short circuits and local heat generation. These process instability and inefficiency may be solved by laser cutting due to advantages such as clean cutting edge, less deformation, applicability to almost all materials, possibility of precision processing, and easy modification of cutting path. Despite the importance of the laser cutting research, no clear definition of cutting widths has been presented, and there is lack of knowledge to understand the effect of laser parameters on cutting widths. Therefore, this research examines the surface of cathode cut by a laser and defines cutting widths such as top width, melting width, and kerf width. The relationship between the laser parameters and cutting characteristics with defined widths are studied. When the volume energy is less than
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Lee, D.; Ahn, S. Investigation of Laser Cutting Width of LiCoO2 Coated Aluminum for Lithium-Ion Batteries. Appl. Sci. 2017, 7, 914.
Lee D, Ahn S. Investigation of Laser Cutting Width of LiCoO2 Coated Aluminum for Lithium-Ion Batteries. Applied Sciences. 2017; 7(9):914.Chicago/Turabian Style
Lee, Dongkyoung; Ahn, Sanghoon. 2017. "Investigation of Laser Cutting Width of LiCoO2 Coated Aluminum for Lithium-Ion Batteries." Appl. Sci. 7, no. 9: 914.
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