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1
TW201927541A
Composite separator and manufacturing method thereof capable of achieving better discharge mAh/g and charging/discharging stability
Publication/Patent Number: TW201927541A Publication Date: 2019-07-16 Application Number: 106143925 Filing Date: 2017-12-14 Inventor: Chen, Yi-lin   Yang, Chun-chen   Wu, Yi-shiuan   Wu, Zong-han   Wei, Chao-nan   Lue shing jiang jessie   Luo, Sin-ping   Assignee: MING CHI UNIVERSITY OF TECHNOLOGY   IPC: B32B5/24 Abstract: A composite separator comprises a nanofiber layer and two layers of porous polymer electrolyte membrane layers. The nanofiber layer comprises a plurality of organic nanofibers and a plurality of nanoparticles distributed in the organic nanofibers. The nanoparticles are the inorganic oxide nanoparticles functionalized by the nitrogen family quarternary onium salt. The two porous polymer electrolyte membrane layers are respectively formed on two opposite sides of the nanofiber layer. The porous polymer electrolyte membrane layer contains a vinylidene fluoride-hexafluoropropylene copolymer. The present invention also provides a manufacturing method of composite separator. The lithium ion battery made of the composite separator has a better discharge mAh/g and charging/discharging stability in high-power and high-temperature environment, which is advantageous to be applied in the power storage and power supply equipment in the high-power and high-temperature operation environment.
2
TWI640434B
Composite separator and manufacturing method thereof capable of achieving better discharge mAh/g and charging/discharging stability
Publication/Patent Number: TWI640434B Publication Date: 2018-11-11 Application Number: 106143925 Filing Date: 2017-12-14 Inventor: Chen, Yi-lin   Yang, Chun-chen   Wu, Yi-shiuan   Wu, Zong-han   Wei, Chao-nan   Lue shing jiang jessie   Luo, Sin-ping   Assignee: MING CHI UNIVERSITY OF TECHNOLOGY   IPC: B32B5/24 Abstract: A composite separator comprises a nanofiber layer and two layers of porous polymer electrolyte membrane layers. The nanofiber layer comprises a plurality of organic nanofibers and a plurality of nanoparticles distributed in the organic nanofibers. The nanoparticles are the inorganic oxide nanoparticles functionalized by the nitrogen family quarternary onium salt. The two porous polymer electrolyte membrane layers are respectively formed on two opposite sides of the nanofiber layer. The porous polymer electrolyte membrane layer contains a vinylidene fluoride-hexafluoropropylene copolymer. The present invention also provides a manufacturing method of composite separator. The lithium ion battery made of the composite separator has a better discharge mAh/g and charging/discharging stability in high-power and high-temperature environment, which is advantageous to be applied in the power storage and power supply equipment in the high-power and high-temperature operation environment.