UV spraying: A new hope for cell insulation, the end of the PET blue film era?

In recent years, the field of cell insulation is undergoing a profound change, the position of PET blue film is precarious, and UV spraying technology has become the focus of attention. The reason why PET blue film is facing the exit is mainly due to its insurmountable technical shortcomings. From the point of view of physical properties, the tensile strength and tear resistance of PET blue film are relatively weak, and in the production, assembly and subsequent use of the battery cell, it is vulnerable to external force and damage, thereby reducing the insulation performance. In addition, the moisture and corrosion resistance of PET blue film is not satisfactory, and it cannot provide adequate protection for some cells working in harsh environments.

In contrast, the advantages of UV coating of cell insulation are obvious. In terms of process, UV spraying can achieve automated, high-precision operations, and can quickly and evenly coat the surface of the cell in a short time, greatly improving production efficiency. At the same time, the curing speed of the UV coating is extremely fast, and it can be cured instantly by ultraviolet irradiation, which not only reduces the production cycle, but also reduces energy consumption. From the perspective of insulation performance, the coating formed by UV spraying has good dielectric properties and insulation resistance, which can effectively prevent current leakage and ensure the electrical safety of the cell. Moreover, the diversity of UV coatings allows for customized development according to different cell application scenarios to meet various special insulation needs.

Today, the entry of 19 + UV Coatings & Engineering has added infinite vitality to this new coating track. Their participation has brought more technological innovation and market competition, prompting UV spray technology to continue to improve and mature. These companies have invested in research and development to solve the challenges of UV spraying technology, such as improving the flexibility of