高倍率型MXene基复合薄膜电极的氧化重构制备与界面调控

程梦婷; 王涵杰; 郭威; 张秋禹; 于畅

doi:10.19799/j.cnki.2095-4239.2026.0166

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高倍率型MXene基复合薄膜电极的氧化重构制备与界面调控

超级电容器关键材料与器件专刊 | 更新时间：2026-05-28

- 高倍率型MXene基复合薄膜电极的氧化重构制备与界面调控
- Oxidation reconstruction preparation and interface regulation of high-rate MXene-based composite thin film electrodes
- 储能科学与技术 2026年15卷第5期页码：1640-1650
- 作者机构：
  
  1.西北工业大学化学与化工学院，陕西西安 710072
  2.大连理工大学化工学院，辽宁大连 116024
- 作者简介：
  
  程梦婷（2001—），女，硕士研究生，研究方向为MXene基复合薄膜电极的设计构筑，E-mail：cmt@mail.nwpu.edu.cn
  王涵杰（2004—），女，本科生，研究方向为MXene表界面改性及储能增强机制，E-mail：hanjie@mail.nwpu.edu.cn；
  郭威，副教授，研究方向为电化学储能电极表界面设计调控，E-mail：weiguo-nwpu@nwpu.edu.cn
  张秋禹，教授，研究方向为功能与智能高分子材料的设计与合成，E-mail： qyzhang@nwpu.edu.cn
  于畅，教授，研究方向为能量储存与转换材料与器件，E-mail： chang.yu@dlut.edu.cn。
- 基金信息：
  
  国家自然科学基金项目(22375161;52202301)
- DOI：10.19799/j.cnki.2095-4239.2026.0166
  中图分类号： TQ 152
- 收稿：2026-02-25，
  
  修回：2026-03-21，
  
  纸质出版：2026-05-28
- 稿件说明：
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程梦婷, 王涵杰, 郭威, 等. 高倍率型MXene基复合薄膜电极的氧化重构制备与界面调控[J]. 储能科学与技术, 2026, 15(5): 1640-1650.

CHENG Mengting, WANG Hanjie, GUO Wei, et al. Oxidation reconstruction preparation and interface regulation of high-rate MXene-based composite thin film electrodes[J]. Energy Storage Science and Technology, 2026, 15(5): 1640-1650.
程梦婷, 王涵杰, 郭威, 等. 高倍率型MXene基复合薄膜电极的氧化重构制备与界面调控[J]. 储能科学与技术, 2026, 15(5): 1640-1650. DOI： 10.19799/j.cnki.2095-4239.2026.0166.

CHENG Mengting, WANG Hanjie, GUO Wei, et al. Oxidation reconstruction preparation and interface regulation of high-rate MXene-based composite thin film electrodes[J]. Energy Storage Science and Technology, 2026, 15(5): 1640-1650. DOI： 10.19799/j.cnki.2095-4239.2026.0166.

摘要

MXene因其独特的层状可调结构、丰富的表面官能团以及优异的导电性，近年来在电化学储能领域展现出巨大的应用潜力。然而，其层状结构易于堆叠，且表面终端基团在含氧环境中稳定性不足，使其在高扫速下比容量衰减严重。本研究以Ti

MXene为结构基元，以芳纶纳米纤维（ANF）为界面有机相，通过水热氧化重构与界面组装有效增强了MXene的高倍率储能特性。研究表明，水热处理后的MXene（ht-Ti

）呈现部分氧化及表面脱氟的特点，所构筑的ht-Ti

/ANF电极在2 mV/s下比容量达到407.9 F/g，在500 mV/s高扫描速率下比容量仍保持在246.1 F/g，容量保持率达60.3%，显著优于未处理的Ti

/ANF电极。此外，该复合电极在20 A/g的大电流密度下仍可保持220.0 F/g的高比电容，表现出优异的倍率性能。动力学分析表明，ht-Ti

/ANF的

值提高至0.90，电荷转移阻抗显著降低，表明其表面反应控制赝电容行为。此外，电容贡献率随着扫描速率提升，由2 mV/s时的86.7%提升至50 mV/s时的96.8%。同时，其双电层电容提升至44.7 mF/cm

，表明其具有更大的电化学活性比表面积和更快的离子传输速度。该薄膜兼具良好的力学性能，其抗拉强度为46 MPa，韧性达0.64 MJ/m

，并且其具有低的红外发射率（约13%），在-10~200℃内保持稳定的红外隐身性能。这一策略为构筑兼具高倍率性能与多功能特性的MXene基储能电极材料提供了可行途径。

Abstract

MXene has exhibited considerable potential in the field of electrochemical energy storage in recent years owing to its unique layered tunable structure

abundant surface functional groups

and excellent conductivity. However

its layered structure is prone to stacking

and the surface terminal groups lack stability in oxygen-containing environments

leading to severe specific capacity decay at high scan rates. In this study

MXene was used as the structural unit

and aramid nanofibers (ANF) served as the interfacial organic phase. Through hydrothermal oxidation reconstruction and interfacial assembly

the high-rate energy storage characteristics of MXene were effectively enhanced. The results showed that hydrothermally treated MXene (ht-Ti

) exhibited partial oxidation and surface defluorination characteristics. The constructed ht-Ti

/ANF electrode achieved a specific capacity of 407.9 F/g at 2 mV/s and maintained a specific capacity of 246.1 F/g even at a high scan rate of 500 mV/s

with a capacity retention rate of 60.3%

markedly superior to the untreated MXene electrode. Furthermore

the composite electrode maintained a high specific capacitance of 220.0 F/g even at a high current density of 20 A/g

demonstrating excellent rate performance. Kinetic analysis indicated that the b-value of ht-Ti

/ANF increased to 0.90

and the charge transfer impedance decreased considerably

indicating pseudo-capacitive behavior controlled by surface reactions. The capacitance contribution increased from 86.7% at 2 mV/s to 96.8% at 50 mV/s. Simultaneously

the double-layer capacitance increased to 44.7 mF/cm

indicating a larger electrochemically active specific surface area and faster ion transport capability. Moreover

the film exhibited good mechanical properties

with a tensile strength of 46 MPa and a toughness of 0.64 MJ/m

. The film also had a low infrared emissivity (approximately 13%) and maintained stable infrared stealth performance within the temperature range of -10℃ to 200℃. This strategy provides a feasible approach for constructing MXene-based energy storage electrode materials with both high-rate performance and multifunctional characteristics.

关键词

Keywords

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