申 健， 李 丽， 段广彬

（济南大学材料科学与工程学院， 山东济南250022）

DOI:10.13732/j.issn.1008-5548.2021.05.017

收稿日期： 2021-05-24，修回日期：2021-06-11，在线出版时间：2021-08-17 16:22。

基金项目：国家自然科学基金项目，编号：51501072。

第一作者简介：申健(1997—)，男，硕士研究生，研究方向为材料科学与工程。E-mail：mse_shenjian@163.com。

通信作者简介：

李丽(1986—)，女，博士，讲师，硕士生导师，研究方向为新能源材料与化学电源。E-mail：mse_lil@ujn.edu.cn。

段广彬(1983—)，男，博士，教授，硕士生导师，研究方向为材料科学与工程。E-mail：mse_duangb@ujn.edu.cn。

摘要：综述二维(2D)层状材料(MXene)的特性和零维(0D)、一维(1D)、2D等不同尺寸的活性材料的特点;总结Ti₃C₂T_x基-0D、Ti₃C₂T_x基-1D、Ti₃C₂T_x基-2D以及Ti₃C₂T_x过渡金属氧化物、Ti₃C₂T_x-Fe氧化物、Ti₃C₂T_x-Co磷化物等其他纳米材料的制备和性能。认为Ti₃C₂T_x作为活性材料，具有导电衬底甚至集流体的作用，其快速的离子或电子转移通道和结构稳定性的特点在混合电极中有巨大的应用潜力。提出可以通过合成结构可控的Ti₃C₂T_x微纳结构以及在其表面修饰不同的官能团等方法，以暴露更多的活性位点，提高离子或电子转移能力和结构稳定性;应克服由于Ti₃C₂T_x表面含有的氧官能团导致其发生降解反应，最终导致电池性能下降的问题;先进的原位表征手段可以在电池充放电过程中动态的记录电极及电解液的各种实时信息，便于研究SEI膜的形成和电极材料的体积膨胀;加强对软包电池性能的研究是Ti₃C₂T_x基负极材料能否商业化的关键。

关键词：Ti₃C₂T_x；纳米复合材料；负极；锂离子电池

Abstract：The properties of 2D layered materials (MXene) and active materials with different sizes,such as zero dimensional(0D),one dimensional (1D) and two dimensional (2D),were reviewed.Preparation and properties of the Ti₃C₂T_x-based-0D,Ti₃C₂T_x-based-1D,Ti₃C₂T_x-based-2D,and other nanomaterials such as Ti₃C₂T_x-excessive metal oxides,Ti₃C₂T_x-Fe oxides,and Ti₃C₂T_x-Co phosphides,were summarized.It is considered that Ti₃C₂T_x,as an active material,has the function of conducting substrate and even collecting fluid,and its characteristics such as rapid ion or electron transfer channel and structural stability have great potential for application in hybrid electrodes.By synthesizing controllable Ti₃C₂T_x micro-nano structure and modifying different functional groups on its surface,it is proposed that more active sites can be exposed to improve the ability of ion or electron transfer and structural stability.The degradation reaction of Ti₃C₂T_x due to the oxygen functional groups on the surface of the Ti₃C₂T_x should be overcome,which eventually leads to the degradation of the battery performance.Advanced in-situ characterization means can dynamically record various real-time information of electrode and electrolyte during battery charging and discharging,which is convenient to study the formation of SEI film and the volume expansion of electrode material.The key to commercialization of Ti₃C₂T_x based anode materials is to strengthen the research on the performance of soft-pack batteries.

Keywords：Ti₃C₂T_x; anode; lithium ion battery; nanocomposite

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