2024-08-28
Lithium battery coating shrinkage hole is a common coating defect in the coating process of lithium ion battery electrode, which is mainly manifested as a round or nearly round depression on the surface of the electrode plate. This defect not only affects the appearance quality of the electrode sheet, but also may have a negative impact on the performance of the battery, such as reducing the battery capacity, increasing the internal resistance, and affecting the battery cycle life.
