江苏科技大学学报(自然科学版)
江囌科技大學學報(自然科學版)
강소과기대학학보(자연과학판)
JOURNAL OF JIANGSU UNIVERSITY OF SCIENCE AND TECHNOLOGY(NATURAL SCIENCE EDITION)
2013年
4期
337-341
,共5页
邢玉金%汤继俊%李斌彤%李为立
邢玉金%湯繼俊%李斌彤%李為立
형옥금%탕계준%리빈동%리위립
离子型聚合物%聚环氧乙烷%凝胶聚合物电解质%结晶度%离子电导率
離子型聚閤物%聚環氧乙烷%凝膠聚閤物電解質%結晶度%離子電導率
리자형취합물%취배양을완%응효취합물전해질%결정도%리자전도솔
ionomer%PEO%gel polymer electrolyte%crystallinity%ionic conductivity
文中合成了一种离子型聚合物甲基丙烯酸甲酯共聚马来酸锂(Poly(MMA-co-maleic lithium)),并将其与聚环氧乙烷( PEO)共混,通过溶液浇铸法制得应用于聚合物锂离子电池的凝胶聚合物电解质.研究表明,PEO链段的结晶度由于离子型聚合物的共混以及液体电解质的增塑作用得到了有效抑制,有利于增加体系的无定形区,促进锂离子在体系中的传递.电化学测试表明:该凝胶聚合物电解质的室温离子电导率可达10-3 S/cm数量级,电化学稳定窗口超过4.5 V,这些性能都表明其在聚合物锂离子电池的开发中有较好的应用前景.
文中閤成瞭一種離子型聚閤物甲基丙烯痠甲酯共聚馬來痠鋰(Poly(MMA-co-maleic lithium)),併將其與聚環氧乙烷( PEO)共混,通過溶液澆鑄法製得應用于聚閤物鋰離子電池的凝膠聚閤物電解質.研究錶明,PEO鏈段的結晶度由于離子型聚閤物的共混以及液體電解質的增塑作用得到瞭有效抑製,有利于增加體繫的無定形區,促進鋰離子在體繫中的傳遞.電化學測試錶明:該凝膠聚閤物電解質的室溫離子電導率可達10-3 S/cm數量級,電化學穩定窗口超過4.5 V,這些性能都錶明其在聚閤物鋰離子電池的開髮中有較好的應用前景.
문중합성료일충리자형취합물갑기병희산갑지공취마래산리(Poly(MMA-co-maleic lithium)),병장기여취배양을완( PEO)공혼,통과용액요주법제득응용우취합물리리자전지적응효취합물전해질.연구표명,PEO련단적결정도유우리자형취합물적공혼이급액체전해질적증소작용득도료유효억제,유리우증가체계적무정형구,촉진리리자재체계중적전체.전화학측시표명:해응효취합물전해질적실온리자전도솔가체10-3 S/cm수량급,전화학은정창구초과4.5 V,저사성능도표명기재취합물리리자전지적개발중유교호적응용전경.
In this paper, an ionomer Poly(MMA-co-maleic Li) was synthesized.It was blended with PEO to get the novel blending ionomer gel polymer electrolyte by the method of solution casting .It was found that with the interaction of blending ionomer chains and the plasticizing effect of the absorbed liquid electrolyte , the crystallin-ity of the PEO chains was suppressed effectively , which could promote lithium-ion′s movement in the system . The ionic conductivity of the blending gel polymer electrolyte which was characterized by means of AC impedance could reach 10 -3 S/cm order of magnitude at room temperature , and its electrochemical stability window was 4.5 V, which made it a potential candidate for application as polymer electrolyte in devices .