PANI/煤基石墨烯宏观体复合材料的制备及其电化学性能

doi:10.11949/j.issn.0438-1157.20170332

化工学报 ›› 2017, Vol. 68 ›› Issue (11): 4316-4322.DOI: 10.11949/j.issn.0438-1157.20170332

• 材料化学工程与纳米技术 • 上一篇下一篇

PANI/煤基石墨烯宏观体复合材料的制备及其电化学性能

张亚婷¹, 任绍昭¹, 李景凯¹, 李可可¹, 党永强¹, 刘国阳¹, 邱介山²

1 西安科技大学化学与化工学院, 陕西西安 710054;
2 西安交通大学化学工程与技术学院, 陕西西安 710049

收稿日期:2017-03-30 修回日期:2017-07-21 出版日期:2017-11-05 发布日期:2017-11-05
通讯作者: 邱介山
基金资助:
国家自然科学基金项目（21276207，U1203292）。

Fabrication and electrochemical capacitive performance of PANI/coal-based three-dimensional graphene

ZHANG Yating¹, REN Shaozhao¹, LI Jingkai¹, LI Keke¹, DANG Yongqiang¹, LIU Guoyang¹, QIU Jieshan²

1 College of Chemistry and Chemical Engineering, Xi'an University of Science and Technology, Xi'an 710054, Shaanxi, China;
2 School of Chemical Engineering and Technology, Xi'an Jiaotong University, Xi'an 710049, Shaanxi, China

Received:2017-03-30 Revised:2017-07-21 Online:2017-11-05 Published:2017-11-05
Supported by:
supported by the National Natural Science Foundation of China (21276207, U1203292).

摘要/Abstract

摘要：

以太西无烟煤为原料，采用催化热处理、改良Hummers氧化等方法，制备煤基氧化石墨烯（CGO），进而以CGO和聚苯胺（PANI）为前驱体，采用水热自组装法，制备得到PANI/石墨烯宏观体复合材料（3D-PCG）。采用FT-IR、XRD、Raman、SEM和TEM等技术，研究了材料的组成、结构和形貌，考察了3D-PCG的电化学性能。结果表明，PANI以纳米棒状形态均匀镶嵌在煤基石墨烯宏观体（3D-CG）的网状结构中；当PANI与CGO质量比为1：2时，3D-PCG的电化学性能优于PANI和3D-CG，其比电容可达663 F·g^-1。

关键词: 煤炭, 石墨烯宏观体, 聚苯胺, 复合材料, 纳米结构, 电化学

Abstract:

Graphene-based 3D functional materials hold promise as electrode materials for high performance supercapacitors due to their unique porous network structure, large specific surface area and excellent electrical and thermal properties. The coal-based graphene oxide (CGO) was prepared from Taixi anthracite by catalytic heat treatment and modified Hummers method. With polyaniline (PANI) and CGO as the starting materials, 3D PANI/coal-based graphene composites (3D-PCG) were further prepared by the hydrothermal method. The morphology and structure of the as-made materials were examined by the techniques including FT-IR, XRD, Raman, SEM, and TEM, with a focus on the interaction of polyaniline with the graphene. The electrochemical performance of 3D-PCG as electrode materials for supercapacitors was evaluated by electrochemical test methods. The results show that rod-like PANI is uniformly embedded into the network structure of 3D coal-based graphene (3D-CG), yielding 3D-PCG that has the highest specific capacitance in comparison with PANI and 3D-CG, and a specific capacitance of 663 F·g^-1 can be delivered in the case of 3D-PCG made at 1:2 mass ratio of PANI and CGO.

Key words: coal, 3D graphene, polyaniline, composites, nanostructure, electrochemistry

中图分类号:

TB322
O645.5

张亚婷, 任绍昭, 李景凯, 李可可, 党永强, 刘国阳, 邱介山. PANI/煤基石墨烯宏观体复合材料的制备及其电化学性能[J]. 化工学报, 2017, 68(11): 4316-4322.

ZHANG Yating, REN Shaozhao, LI Jingkai, LI Keke, DANG Yongqiang, LIU Guoyang, QIU Jieshan. Fabrication and electrochemical capacitive performance of PANI/coal-based three-dimensional graphene[J]. CIESC Journal, 2017, 68(11): 4316-4322.

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PANI/煤基石墨烯宏观体复合材料的制备及其电化学性能

Fabrication and electrochemical capacitive performance of PANI/coal-based three-dimensional graphene

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