用于锂离子电池的壳聚糖淀粉多壁碳纳米管膜的力学和组成特性

C Pub Date : 2023-09-08 DOI:10.3390/c9030087
Yoxkin Estévez-Martínez, Enrique Quiroga-González, Erick Cuevas-Yañez, Sergio Durón-Torres, Daniel Alaníz-Lumbreras, Elizabeth Chavira-Martínez, Rubén Posada-Gómez, Jeremias Bravo-Tapia, Víctor Castaño-Meneses
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引用次数: 0

摘要

本文报道了壳聚糖淀粉与锂改性多壁碳纳米管的复合膜。本文最重要的贡献之一是通过一种可获得的技术使多壁碳纳米管表面功能化,该技术允许锂的高接枝收率并将其纳入聚合物基质中。利用天然化合物壳聚糖和淀粉作为载体包埋纳米管,形成具有良好机械稳定性的膜。通过拉曼、红外和x射线光电子能谱、透射和扫描电子显微镜、动态力学分析以及电化学表征,对其进行了全面的表征。这种膜的组成、结构和机械稳定性使其成为可持续锂离子电池阳极的可行候选材料。
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Membranes of Multiwall Carbon Nanotubes in Chitosan–Starch with Mechanical and Compositional Properties Useful in Li-Ion Batteries
This work reports on membranes of a combination of chitosan–starch with lithium-modified multiwall carbon nanotubes. One of the most important contributions of this article is the functionalization of the surface of multiwall carbon nanotubes by means of an accessible technique that allows for high grafting yields of lithium and their incorporation into a polymeric matrix. The natural compounds chitosan and starch were used as a support to embed the nanotubes, forming membranes with good mechanical stability. A thorough characterization via Raman, infrared and X-ray photoelectron spectroscopies, transmission and scanning electron microscopies and dynamic mechanical analysis is presented here, as well as electrochemical characterization. The composition, structure and mechanical stability of the membranes make them viable candidates to be used as anodes sustainable Li-ion batteries.
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