With the application range of Li-ion Battery becoming larger, the quality of Li-ion Battery Separator will influence the quality of battery.
Currently, there are two main products:
High wet PE film + Single/double ceramic coating
High wet PE film + Gel/ceramic composite coating
Tianjin DG Membrane Tech. Co., Ltd, which is the subsidiary company of SOJO Group, produces this product with 14 patents for invention including 3 PCT patents. And DG is focus on R&D, which always in the leading place in this industry.