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首页> 外文期刊>Journal of Materials Chemistry, A. Materials for energy and sustainability >A polyimide derivative containing different carbonyl groups for flexible lithium ion batteries
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A polyimide derivative containing different carbonyl groups for flexible lithium ion batteries

机译:用于柔性锂离子电池的含有不同羰基的聚酰亚胺衍生物

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摘要

A novel polyimide derivative is prepared by a condensation polymerization of pyromellitic dianhydride and 2,6-diaminoanthraquinone and a flexible electrode film -SWNT is further fabricated by filtration with single-walled carbon nanotube dispersions. connects different carbonyl groups of dianhydride and quinone together, therefore combining the advantages of different units together. Electrochemical tests show that -SWNT can transfer three electrons reversibly and theoretical calculations also prove that. -SWNT shows a high capacity of 190 mA h g(-1) and superior rate performance, maintaining 120 mA h g(-1) at 20C. -SWNT is a promising flexible electrode because of its good performance and flexibility.
机译:通过均苯四甲酸二酐和2,6-二氨基蒽醌的缩聚反应制得一种新型的聚酰亚胺衍生物,并通过用单壁碳纳米管分散液过滤进一步制备了柔性电极膜-SWNT。将二酐和醌的不同羰基连接在一起,因此将不同单元的优势结合在一起。电化学测试表明-SWNT可以可逆地转移三个电子,理论计算也证明了这一点。 -SWNT显示出190 mA h g(-1)的高容量和出色的速率性能,在20C时保持120 mA h g(-1)。 -SWNT由于其良好的性能和柔韧性而成为有前途的柔性电极。

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