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首页> 外文期刊>Journal of Applied Polymer Science >Gel hybrid copolymer of organic palygorskite and methyl methacrylate electrolyte coated onto Celgard 2325 applied in lithium ion batteries
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Gel hybrid copolymer of organic palygorskite and methyl methacrylate electrolyte coated onto Celgard 2325 applied in lithium ion batteries

机译：凝胶杂交共聚物的有机甲晶和甲基丙烯酸甲酯电解质涂覆在锂离子电池中的Celgard 2325上

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摘要

Separator is a critical component in the rechargeable lithium-ion battery. The continuous improvement in the performance of the separator is usually focused on reducing its thermal shrinkage and improving ionic conductivity. A new composite separator poly(organic Pal-co-methyl methacrylate) [p(OPal-MMA)@CPM] was developed by coating the hybrid polymer [p(OPal-MMA)] of organic palygorskite and MMA onto both sides of a Celgard 2325 [polypropylene (PP)/polyethylene /PP, CPM] in this research. The ionic conductivity and liquid electrolyte uptake of the p(OPal-MMA)@CPM were dramatically improved compared to CPM. The thermal shrinkage percentage of the composite separators was significant decreased compared to the pure CPM. The Li+ transference number of Li/p(OPal-MMA)@CPM/Li cell (0.893) was higher than that of Li/CPM/Li cell (0.483). Lithium iron phosphate/p(OPal-MMA)@CPM/Li cell showed high capacity on charge-discharge cycles compared with poly(MMA) and CPM. (c) 2019 Wiley Periodicals, Inc. J. Appl. Polym. Sci. 2019, 136, 47970.
机译：分离器是可再充电锂离子电池中的关键部件。分离器性能的不断改进通常集中在降低其热收缩和改善离子电导率。通过将有机甲状腺蛋白酶和MMA的杂合聚合物[P（OPAL-MMA）涂布到Celgard的两侧，通过将有机甲状腺蛋白和MMA涂布到Celgard的两侧来开发一种新的复合分离器聚（有机亲甲基甲基丙烯酸甲酯）[p（蛋白蛋白酶蛋白-MMA）@cpm]本研究中的2325 [聚丙烯（PP）/聚乙烯/ PP，CPM]。与CPM相比，P（OPAL-MMA）@CPM的离子电导率和液体电解质吸收显着提高。与纯CPM相比，复合隔膜的热收缩率显着降低。 Li / P（OPAL-MMA）/碱/锂细胞（0.893）的Li +转移数高于Li / Cpm / Li细胞（0.483）。磷酸铁锂/ p（OPAL-MMA）@ CPM / Li细胞与聚（MMA）和CPM相比，电荷 - 放电循环能量高。 （c）2019 Wiley期刊，Inc.J.Phill。聚合物。 SCI。 2019,136,47970。

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