纳米碳化钛的制备及在储能领域的应用研究进展

Preparation Method of Titanium Carbide Nanomaterials and Its Application Research Progress in Energy Storage Field

随着社会经济的快速发展,能源需求日益膨胀,传统能源利用问题逐渐凸显,更加高效和环保的能源转换和存储技术越来越受到推崇。能源转换和存储装置的关键在于电极材料的合理选择和结构设计。碳化钛(TiC)因其独特的电子结构、良好的化学稳定性和较高的导电性,作为一种能源存储和转换新材料引起人们的极大关注,并逐渐在锂离子电池、锂硫电池、超级电容器等领域受到研究者的青睐。纳米TiC的显微结构、粒径大小和纯度直接影响电池的电化学性能,因此纳米TiC的有效制备是实现其在储能领域产业化应用的关键。为此,本文综述了纳米TiC材料现有的制备方法及最新研究进展,阐述了各种工艺方法过程及合成机理,探讨了不同方法之间的差别及应用范围,总结了纳米TiC材料在储能领域的应用现状,并展望了未来纳米TiC的发展方向。

The consumption of fossil fuels,which include coal,oil and natural gas,has accelerated dramatically due to the worldwide economic expan⁃sion.The development of green,renewable and highly efficient methods of energy conversion and storage technologies is in high demand.All the materials used in the technologies hold the key to fundamental advances in energy conversion and storage.Therefore,high⁃performance materials should have specific properties and be rationally designed for applications in the crucial fields of energy conversion and storage.Titanium carbide(TiC)have attracted great attention as a new generation of energy storage materials duo to its unique electronic structure,good chemical stability and high conductivity,which is widely used in lithium ion batteries,lithium sulfur batteries,and supercapacitors.The electrochemistry per⁃formance of TiC nanomaterials depends on the microstructure,particle size,and purity.Therefore,the effective preparation of TiC nanomaterials is the key to its industrial application in the field of energy storage.In this paper,the recent preparation methods and latest research progress of TiC nanomaterials are reviewed,the synthesis process and mechanism of various methods are summarized,and the advantage and disadvan⁃tage are discussed.The application status of TiC nanomaterials in the field of energy storage is epitomized,and the future development direction of TiC nanomaterials is proposed.