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首页> 外文期刊>Journal of Applied Polymer Science >Synthesis and Properties of Copolymer of 3-Thienylmethyl Disulfide and Benzyl Disulfide for Cathode Material in Lithium Batteries
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Synthesis and Properties of Copolymer of 3-Thienylmethyl Disulfide and Benzyl Disulfide for Cathode Material in Lithium Batteries

机译：锂电池正极材料3-噻吩甲基二硫化物和苄基二硫化物的合成及性能

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摘要

The copolymerization of 3-thienylmethyl disulfide and benzyl disulfide has been investigated. Two monomers were synthesized in a novel facile way. Copolymer of them, especially poly (3-thienylmethyl disulfide-cobenzyl disulfide), ratio 1 : 4, namely, TcB1:4, was easily electrocopolymerized to form a stable and higher conductive structure at a lower potential on Pt, Au, or glass carbon electrode. TcB1:4 and TcB4:1, especially the former, exhibit better conductivities than those of pure poly 3-thienylmethyl disulfide and poly benzyl disulfide. The copolymer has larger areas than that of monopolymer by cyclic voltammogram measurement. The copolymer shows a capability of supplying more power and energy than monopolymer itself. Copolymers could be used as cathode materials for lithium secondary batteries because their functional groups could not be destroyed before 80C. In scanning electron micrography, the copolymers show larger compacter structure. The results of the copolymer systems show that they are potentials as cathode materials for lithium batteries.
机译：已经研究了3-噻吩甲基二硫化物和苄基二硫化物的共聚。以新颖的简便方式合成了两种单体。它们的共聚物，尤其是聚（3-噻吩基甲基二硫化物-共苄基二硫化物），比例为1：4，即TcB1：4，很容易电共聚，以较低的电势在Pt，Au或玻璃碳上形成稳定且较高的导电结构。电极。 TcB1：4和TcB4：1，特别是前者，比纯聚3-噻吩基甲基二硫化物和聚苄基二硫化物具有更好的导电性。通过循环伏安图测量，该共聚物具有比单聚物更大的面积。该共聚物显示出比单聚物本身提供更多功率和能量的能力。共聚物可以用作锂二次电池的正极材料，因为它们的官能团在80℃之前不会被破坏。在扫描电子显微照片中，共聚物显示较大的致密结构。共聚物体系的结果表明，它们作为锂电池的阴极材料具有潜力。

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