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用于超级电容器设备的APTES功能化的Ti₃C₂T_xMXene的电化学和缺陷表征

Ahmet Güngör^1,2, Mina Namvari³, Amina Ben Ayed³

¹Faculty of Engineering and Natural Sciences, Sabanci University, Tuzla, Istanbul, 34956, Turkey.

Small (Weinheim an der Bergstrasse, Germany)

|September 24, 2025

概括

使用APTES功能化MXene可以提高储能电极的性能. 这种方法改善了无添加剂的特定电容和循环稳定性,突出的是APTES-MXene.

科学领域:

材料科学材料科学材料科学
电化学电化学电化学
储能储能储能储能储能储能

背景情况:

MXenes是用于储能应用的有前途的2D材料.
功能化是优化MXene属性的关键.
现有的方法往往需要导电添加剂.

研究的目的:

为了研究MXene的APTES功能化,用于高性能电极.
在没有导电聚合物,金属氧化物或碳的情况下评估电化学性能.
评估APTES对离子可访问性和电荷存储机制的影响.

主要方法:

对MAX阶段,MXene和APTES-MXene的合成和表征.
使用双电极系统进行电化学测试.
电化学阻抗光谱 (EIS) 和恩分析用于电荷存储机制的确定.

主要成果:

APTES-MXene电极实现了207.62 F g-1的特定电容,能量密度为28.83 Wh kg-1和93.8%的容量保留.
表面控制的电荷存储占主导地位,容量贡献率为70.61%.
APTES修改增加了电荷传递阻力,表明了改变的离子传输和延长的层间距离.

结论:

APTES的功能提供了一条通往高性能MXene电极的途径,用于储能.
功能化的MXene显示出出色的容量和循环稳定性.
两电极测量对于评估现实的材料性能至关重要.

关键词:

他们的胃口.在EPR光谱学中使用EPR光谱.这就是MXene MXene.缺陷缺陷缺陷缺陷缺陷超级电容器是一个超级电容器.表面功能化的功能化.

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