| 曾鹏霖,杨扬,边永峰,朝鲁门,彭新文.金属离子掺杂-浸渍聚合法制备聚苯胺/纤维素基导电材料[J].中国造纸,2026,45(5):90-101 |
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| 金属离子掺杂-浸渍聚合法制备聚苯胺/纤维素基导电材料 |
| Preparation of Polyaniline/Cellulose-based Conductive Materials via Metal Ion Doping-impregnation Polymerization Method |
| 收稿日期：2025-12-10 修订日期：2026-01-06 |
| DOI：10.11980/j.issn.0254-508X.2026.05.010 |
| 关键词: 聚苯胺 纤维素 金属离子掺杂 浸渍聚合 |
| Key Words:PANI cellulose metal ion doping impregnation polymerization |
| 基金项目: |
| 作者 | 单位 | 邮编 | | 曾鹏霖* | 1华南理工大学轻工科学与工程学院,广东广州,510640
2中国制浆造纸研究院有限公司,北京,100102 | 100102 | | 杨扬 | 2中国制浆造纸研究院有限公司,北京,100102 | 100102 | | 边永峰 | 1华南理工大学轻工科学与工程学院,广东广州,510640
2中国制浆造纸研究院有限公司,北京,100102 | 100102 | | 朝鲁门* | 2中国制浆造纸研究院有限公司,北京,100102 | 100102 | | 彭新文* | 1华南理工大学轻工科学与工程学院,广东广州,510640 | 510640 |
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| 摘要:本研究以竹浆纤维素为柔性骨架，以苯胺、过硫酸铵为原料进行聚合，利用纤维素对金属离子（Fe3+、Cu2+、Co2+、Mn2+、Zn2+）的螯合作用，促进苯胺在纤维网络中均匀聚合；采用分步负载策略，在原位聚合的基础上，通过苯胺单体的二次浸渍聚合，实现对沉积形貌和导电网络的精准调控，最终制得PANI/纤维素基导电材料，并对其进行导电性能、力学性能和电化学性能表征。结果表明，该PANI/纤维素基导电材料的电导率从对照竹纤维纸的0.12 S/cm提升至1.55 S/cm，抗张指数达8.70 N·m/g，在1 mA/cm2电流密度下面积比电容高达5 639 mF/cm2。该材料兼具高导电性、良好力学性能和优异电化学性能，可应用于柔性超级电容器电极。 |
| Abstract:In this study， using bamboo pulp cellulose as a flexible scaffold and aniline and ammonium persulfate as raw materials for polymerization， the chelating effect of cellulose on metal ions (Fe3+， Cu2+， Co2+， Mn2+， Zn2+) was utilized to promote the uniform polymerization of aniline within the fiber network. A stepwise loading strategy was adopted， based on in-situ polymerization involving secondary impregnation polymerization of aniline monomers， to precisely control the deposition morphology and conductive network. The PANI/cellulose-based conductive material was characterized in terms of conductivity， mechanical properties， and electrochemical performance. The results showed that the PANI/cellulose-based conductive material exhibited a significant increase in conductivity from 0.12 S/cm of reference bamboo paper to 1.55 S/cm， a tensile index of 8.70 N·m/g， and a high areal specific capacitance of 5 639 mF/cm² at a current density of 1 mA/cm². The material combined high conductivity， good mechanical properties， and excellent electrochemical performance， making it suitable for application in flexible supercapacitor electrodes. |
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