SHEJ Materials Technology Group announced on the evening of July 1 that in order to accelerate the development of the SHEJ lithium battery separator project and increase the capacity of lithium battery separators, the company will build a new material industrial base phase II lithium battery separator project with a total investment of RMB 2.8 billion , Plans to build 8 fully-automatic imported film-making production lines and 16 coating production lines, mainly to develop lithium battery wet-process base film and functional coating diaphragm manufacturing.
SHEJ has obtained patents related to the composition of PVDF solvent-based coating materials and phase separation coating production processes from Teijin Co., Ltd.