碳纳米管/Ni/聚苯胺纤维状超级电容器的制备及其电化学性能

doi:10.13475/j.fzxb.20211111206

纺织学报 ›› 2022, Vol. 43 ›› Issue (11): 35-40.doi: 10.13475/j.fzxb.20211111206

碳纳米管/Ni/聚苯胺纤维状超级电容器的制备及其电化学性能

娄辉清¹^,²^,³(), 朱斐超⁴, 李磊磊², 丁会龙², 普丹丹², 王相飞²

1.浙江省服装工程技术研究中心, 浙江杭州 310018
2.河南工程学院纺织工程学院, 河南郑州 450007
3.神马实业股份有限公司, 河南平顶山 467021
4.浙江理工大学纺织科学与工程学院 (国际丝绸学院), 浙江杭州 310018

收稿日期:2021-11-30 修回日期:2022-08-10 出版日期:2022-11-15 发布日期:2022-12-26
作者简介:娄辉清(1985—),女,讲师,博士。主要研究方向为产业用和功能服装用纤维及纺织品。E-mail:huiqinglou@126.com。
基金资助:
河南省科技攻关计划项目(212102310014);河南工程学院博士基金项目(Dkj2018023);浙江省服装工程技术研究中心开放基金项目(2021FZKF08);国家级大学生创新创业训练计划项目(202111517010)

Preparation and electrochemical performance of composite carbon nanotube/Ni/polyaniline fibrous supercapacitor

LOU Huiqing¹^,²^,³(), ZHU Feichao⁴, LI Leilei², DING Huilong², PU Dandan², WANG Xiangfei²

1. Clothing Engineering Research Center of Zhejiang Province, Hangzhou, Zhejiang 310018, China
2. School of Textiles Engineering, Henan University of Engineering, Zhengzhou, Henan 450007, China
3. Shenma Industrial Co., Ltd., Pingdingshan, Henan 467021, China
4. College of Textile Science and Engineering (International Institute of Silk), Zhejiang Sci-Tech University, Hangzhou, Zhejiang 310018, China

Received:2021-11-30 Revised:2022-08-10 Published:2022-11-15 Online:2022-12-26

摘要/Abstract

摘要：

为提高纤维状超级电容器的电容性能,将碳纳米管(CNT)纤维进行阳极氧化预处理、金属化处理和电沉积聚苯胺后得到不同的电极材料,分别将CNT、CNT/聚苯胺(CNT-PANI)、CNT/阳极氧化/聚苯胺(CNT-O-PANI)、CNT/阳极氧化/金属化/聚苯胺(CNT-O-Ni-PANI)这4种电极材料组装纤维状超级电容器,并对其结构和电化学性能进行研究。结果表明:经过阳极氧化和金属化处理后,聚苯胺均匀、紧密地分散在碳纳米管纤维表面,并且无团聚、结块等现象;CNT-O-Ni-PANI电极材料制备的超级电容器具有优异的储能性能,其比电容和能量密度远高于其他3种电极材料;在1 A/g的电流密度下,其比电容和能量密度分别为357.8 F/g和178.9 W·h/kg;在10 mV/s的扫速下,其比电容高达1 246.3 F/g;采用CNT-O-Ni-PANI所制备的超级电容器稳定性能较好,在5 A/g的电流密度下,经过10 000次恒流充放电循环后,其电容保持率仍高达99.7%。

关键词: 纤维状超级电容器, 碳纳米管纤维, 阳极氧化, 聚苯胺, 比电容

Abstract:

In order to improve the capacitance performance of fibrous supercapacitors, carbon nanotube (CNT) fibers were subjected to anodizing pretreatment, metallization treatment and electrodeposition of polyaniline to obtain different electrode materials. CNT, CNT/polyaniline (CNT-PANI), CNT/anodization/polyaniline (CNT-O-PANI), CNT/anodization/metallization/polyaniline (CNT-O-Ni-PANI) was used to assemble the fibrous supercapacitor separately, and its structure and electrochemical performance were studied. The results show that after anodic oxidation and metallization, polyaniline was uniformly and tightly dispersed on the surface of the CNT fibers, and there was no agglomeration phenominon. The supercapacitor prepared by CNT-O-Ni-PANI electrode material has excellent energy storage performance, and its specific capacitance and energy density are much higher than the other three electrode materials. At a current density of 1 A/g, its specific capacitance and energy density are 357.8 F/g and 178.9 W·h/kg respectively, and at a scanning speed of 10 mV/s, its specific capacitance is as high as 1 246.3 F/g. The CNT-O-Ni-ANI supercapacitors have better stability performance, and at a current density of 5 A/g, the capacitance retention rate is still as high as 99.7% after 10 000 constant current charge and discharge cycles.

Key words: fibrous supercapacitor, carbon nanotube fiber, anodization, polyaniline, specific capacitance

中图分类号:

TS102.6

娄辉清, 朱斐超, 李磊磊, 丁会龙, 普丹丹, 王相飞. 碳纳米管/Ni/聚苯胺纤维状超级电容器的制备及其电化学性能[J]. 纺织学报, 2022, 43(11): 35-40.

LOU Huiqing, ZHU Feichao, LI Leilei, DING Huilong, PU Dandan, WANG Xiangfei. Preparation and electrochemical performance of composite carbon nanotube/Ni/polyaniline fibrous supercapacitor[J]. Journal of Textile Research, 2022, 43(11): 35-40.

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电容器类型	比容量/ (F·g^-1)	能量密度/ (W·h·kg^-1)	功率密度/ (kW·kg^-1)
CNT	22.1	11.1	1.47
CNT-PANI	73.7	36.9	1.66
CNT-O-PANI	173.0	86.5	1.75
CNT-O-Ni-PANI	357.8	178.9	1.80

碳纳米管/Ni/聚苯胺纤维状超级电容器的制备及其电化学性能

Preparation and electrochemical performance of composite carbon nanotube/Ni/polyaniline fibrous supercapacitor

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