CAJ | 학술논문

聚偏氟乙烯基聚合物是锂离子电池用聚合物电解质较理想的基质材料，但也存在结晶度高、亲液性差等问题。主要综述了采用γ射线、电子束、紫外等辐射，原子转移自由基聚合及溶液接枝聚合等方法接枝苯乙烯、甲基丙烯酸缩水甘油酯、新戊二醇二丙烯酸酯、聚甲基丙烯酸甲酯、三丙烯乙二醇醚醋酸酯、聚乙二醇甲基丙烯酸酯、2-丙烯酰胺基-2-甲基丙磺酸、聚乙二醇等对聚偏氟乙烯基聚合物电解质的改性研究进展。接枝改性后的聚偏氟乙烯聚合物电解质对电解液的亲和性、离子电导率、电化学稳定性和循环性能都有一定程度的提高。
취편불을희기취합물시리리자전지용취합물전해질교이상적기질재료，단야존재결정도고、친액성차등문제。주요종술료채용γ사선、전자속、자외등복사，원자전이자유기취합급용액접지취합등방법접지분을희、갑기병희산축수감유지、신무이순이병희산지、취갑기병희산갑지、삼병희을이순미작산지、취을이순갑기병희산지、2-병희선알기-2-갑기병광산、취을이순등대취편불을희기취합물전해질적개성연구진전。접지개성후적취편불을희취합물전해질대전해액적친화성、리자전도솔、전화학은정성화순배성능도유일정정도적제고。
PVDF based polymers are ideal matrix materials for lithium ion battery electrolyte,but high crystal-linity and poor affinity to liquid electrolyte restrict their further development.In this paper,the grafting modifi-cation of PVDF based polymer electrolytes with styrene,glycidyl methacrylate,dimethyltrimethylene glycol di-acrylate,polymethyl methacrylate,tripropyleneglycol diacrylate,polyethylene glycol methacrylate,2-acrylam-ide-2-methyl propane sulfonic acid and polyethylene glycol by radiation,atom transfer radical polymerization and solution graft polymerization are introduced.In a certain extent,the affinity to liquid electrolyte,ionic con-ductivity,electrochemical stability and cycle performance have been enhanced.