复杂一维纳米材料的构筑及储钠性能

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一维纳米材料因其独特的结构和物化性质而被广泛应用于能源存储与转换等领域.钠离子电池由于钠资源储量丰富和成本低廉等特点而有望用于大规模能源存储.随着能源需求的不断增长和研究的日益深入,一维纳米材料也经历着结构从简单到复杂、性能从一般到优异的演变.因此,构筑结构复杂独特、储钠性能优异的一维纳米材料已成为储能领域的热点之一.结合当前的研究热点和本课题组的研究进展,本文重点阐述了有机酸辅助干燥法、水热法和静电纺丝法制备复杂一维纳米材料的详细机理及其储钠性能,材料包括束状纳米线、介孔纳米管、豌豆状纳米管和离子预嵌入纳米带等,并对它们的结构与储钠性能相关性进行了详细分析.这为一维纳米材料后续的研究和应用提供了一定的指导和帮助. Due to its unique structure and physico-chemical properties, one-dimensional nanomaterials are widely used in energy storage and conversion, etc. Sodium ion batteries are expected to be used for large-scale energy storage because of their abundant sodium resources and low cost. With the development of the one-dimensional nanomaterials, the one-dimensional nanomaterials have evolved from simple to complex and the performance has changed from general to excellent. Therefore, building one-dimensional nanomaterials with complex structure and excellent sodium storage performance has become the key issue of energy storage One of the hot spots in the field.Combining with the current research hot spots and the research progress of our group, this paper mainly elaborates the detailed mechanism of organic acid-assisted drying, hydrothermal method and electrospinning to prepare complex one-dimensional nanomaterials, The properties of the nanomaterials include bundles of nanowires, mesoporous nanotubes, pea-like nanotubes, and pre-embedded nanoribbons. The correlation between their structure and sodium storage performance has been analyzed in detail. Research and application provide some guidance and help.
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