|本期目录/Table of Contents|

[1]徐可昕,祝 洋,徐 雪,等.聚酰亚胺/活性炭复合材料的制备及其电化学性能[J].武汉工程大学学报,2025,47(02):167-173.[doi:10.19843/j.cnki.CN42-1779/TQ.202408016]
　XU Kexin,ZHU Yang,XU Xue,et al.Preparation and electrochemical properties of polyimide/activated carbon composites[J].Journal of Wuhan Institute of Technology,2025,47(02):167-173.[doi:10.19843/j.cnki.CN42-1779/TQ.202408016]
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聚酰亚胺/活性炭复合材料的制备及其电化学性能
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
47
期数:
2025年02期
页码:
167-173
栏目:
材料科学与工程
出版日期:
2025-05-09

文章信息/Info

Title:
Preparation and electrochemical properties of polyimide/activated carbon composites
文章编号:
1674 - 2869（2025）02 - 0167 - 07
作者:
武汉工程大学材料科学与工程学院，湖北 武汉 430205
Author(s):
School of Materials Science and Engineering，Wuhan Institute of Technology，Wuhan 430205，China
关键词:
Keywords:
分类号:
O633
DOI:
10.19843/j.cnki.CN42-1779/TQ.202408016
文献标志码:
A
摘要:
通过苝-3,4,9,10-四羧酸二酐与尿素在N,N-二甲基甲酰胺中的缩聚反应制得聚酰胺酸（PAA），然后将PAA与活性炭（AC）混合并进行热处理，最终获得聚酰亚胺/活性炭（PI/AC）复合材料。通过红外光谱和X射线衍射分析证实，AC不会影响PI的化学结构与排列方式。场发射扫描电子显微镜观察表明，PI/AC具有珊瑚状的三维结构，且AC颗粒均匀地分布在复合体系中。利用循环伏安、交流阻抗和恒电流充放电测试对复合材料的电化学性能进行了研究，结果表明，PI/AC复合材料在0.5 A·g-1电流密度下的比电容为485 F·g-1，显著高于PI（368 F·g-1）和AC（275 F·g-1），这得益于其均衡的电子/离子传导性。此外，PI/AC在1 000次充放电循环后电容保持率为81.3%，显示出优异的循环稳定性。PI/AC复合电极材料可以有效激发PI与AC的协同效应，获得理想的电化学性能。
Abstract:
Polyamide acid （PAA） was synthesized via a polycondensation reaction of perylene-3,4,9,10-tetracarboxylic dianhydride and urea in N, N-dimethylformamide. Then，PAA was mixed with activated carbon （AC） and thermally treated to give the polyimide/activated carbon （PI/AC） composite material. Infrared spectroscopy and X-ray diffraction analyses confirmed that AC does not affect the chemical structure and arrangement of PI. Field emission scanning electron microscopy revealed that PI/AC exhibits a coral-like three-dimensional structure with uniformly distributed AC particles. The electrochemical performance of the composite material was investigated using cyclic voltammetry，electrochemical impedance spectroscopy，and galvanostatic charge-discharge tests. The results showed that the specific capacitance of the PI/AC composite at a current density of 0.5 A·g-1 is 485 F·g-1，significantly higher than that of PI （368 F·g-1） and AC （275 F·g-1）. This is attributed to its balanced electron/ion conductivity. Additionally，the PI/AC composite retained 81.3% of its capacitance after 1 000 charge-discharge cycles，demonstrating excellent cycling stability. This study confirmed that the PI/AC composite electrode material effectively harnesses the synergistic effects of PI and AC，achieving ideal electrochemical performance.

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备注/Memo

备注/Memo:
收稿日期：2024-08-16
基金项目：国家自然科学基金（51602230）
作者简介：徐可昕，硕士研究生。Email：13596119794@163.com
*通信作者：黄华波，博士，副教授。Email：hbhuang@wit.edu.cn
引文格式：徐可昕，祝洋，徐雪，等. 聚酰亚胺/活性炭复合材料的制备及其电化学性能［J］. 武汉工程大学学报，2025，47（2）：167-173.
更新日期/Last Update: 2025-05-08