YUAN Hongming, LI Jihao, YU Yang, et al. Study on lithium-ion secondary battery separator prepared by graft polymerization of GMA onto PVDF powder under pre- irradiation[J]. Journal of Radiation Research and Radiation Processing, 2011,29(5):266-270.
YUAN Hongming, LI Jihao, YU Yang, et al. Study on lithium-ion secondary battery separator prepared by graft polymerization of GMA onto PVDF powder under pre- irradiation[J]. Journal of Radiation Research and Radiation Processing, 2011,29(5):266-270.DOI:
PVDF-g-PGMA powder was prepared by pre-irradiation graft polymerization technique and then the membranes were cast from PVDF-g-PGMA powder with different degrees of grafting (DG) using solvent evaporation method. The structure and the performance both of the PVDF and the PVDF-g-PGMA membranes were analyzed by means of Fourier transform infrared spectroscopy (FT-IR), scanning electron microscope (SEM), mercury porosimetry and lithium ion conductivity, respectively. After assembling 2032 coin type cell, the battery performances were also investigated. The results demonstrate that the PVDF-g-PGMA membranes possess better cell performance than pristine PVDF membrane.
关键词
锂离子电池隔膜聚偏氟乙烯聚甲基丙烯酸缩水甘油酯预辐照接枝
Keywords
Lithium ion battery separatorPVDF-g-PGMAPre-irradiation graft polymerization