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西北大学 物理学院,陕西 西安 710127
Received:20 July 2025,
Published:25 December 2025
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FAN Haibo, WANG Hao, WAN Zhi, et al. Supercapacitor performance of SbSeI/Ti3C2T
FAN Haibo, WANG Hao, WAN Zhi, et al. Supercapacitor performance of SbSeI/Ti3C2T
本世纪以来,人类社会对能源的需求与日俱增。在我国双碳目标背景下,开发绿色能源和新型储能器件对维护人类生存环境安全及实现可持续发展具有十分重要的意义。该文针对超级电容器中的高性能电极需求,选用二维层状材料Ti
3
C
2
T
x
MXene作为主体材料,选取三元硫卤化物半导体SbSeI作为复合材料,成功制备了不同比例的SbSeI/Ti
3
C
2
T
x
MXene复合电极。研究发现15%复合比例样品呈现出最佳性能,在1 A·g
-1
电流密度条件下质量比电容达到871.4 F·g
-1
,在20 A·g
-1
电流密度下依旧有着63.7%的电容保持率,且在5 000次循环后依旧维持在96%。该研究提出了一种优化基于MXene的硫族化合物电极材料性能的策略,为高性能超级电容器的开发和应用奠定基础。
After entering the new century
the demand for energy in
human society is increasing day by day. Green energy is of great significance for maintaining the safety of human living environment and achieving sustainable development. Research and development of new electrode materials is an effective way to solve the problem of energy storage. In this paper
two-dimensional layered material Ti
3
C
2
T
x
MXene was selected as the main material
and ternary sulfide halide semiconductor SbSeI was selected as the composite material. SbSeI/Ti
3
C
2
T
x
MXene composite electrodes with different proportions were successfully prepared
and their properties were compared. It was found that the sample with 15% composite ratio showed the best performance. The mass specific capacitance reached 871.4 F·g
-1
at the current density of 1 A·g
-1
. The capacitance retention rate was still 63.7% at the current density of 20 A·g
-1
and the capacitance retention rate was still maintained at 96% after 5 000 cycles. This study proposes a strategy to optimize the performance of MXene-based chalcogenide electrode materials
paving the way for the development of high-performance electrode materials with great potential in supercapacitor applications.
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