|Table of Contents|

Preparation of Graphene/Polyaniline Hydrogels for Supercapacitor(PDF)

南京师范大学学报（工程技术版）[ISSN:1006-6977/CN:61-1281/TN]

Issue:
2019年03期
Page:
80-
Research Field:
化学工程
Publishing date:

Info

Title:
Preparation of Graphene/Polyaniline Hydrogels for Supercapacitor
Author(s):
Preparation of Graphene/Polyaniline Hydrogels for Supercapacitor
(1.School of Chemistry and Materials Science,Nanjing Normal University,Nanjing 210023,China)(2.School of Teacher Education,Nanjing Normal University,Nanjing 210023,China)
Keywords:
graphene; polyaniline; hydrogel; supercapacitor
PACS:
O64
DOI:
10.3969/j.issn.1672-1292.2019.03.012
Abstract:
Recently,graphene nanosheets,as one kind of two-dimensional nano-material with various superior performance,have attracted many attentions. In order to avoid the restacking and gathering of the two-dimensional materials during the application,the researchers have attempted different methods,including formation of hydrogels with three-dimensional structure and preparation of nano-composites. Herein,following these ideas,a graphene hydrogel(GH)is prepared via the π-π interaction,oxygen-containing functional groups or hydrogen bonds between interlayers of graphene oxide(GO). Then polyaniline(PANI)is added after chemical oxidation in situ polymerization in order to prepare a three-dimensional graphene/polyaniline composite hydrogel(GPH)with properties of both graphene and PANI. This hydrogel with good capacitance has been used as electrode materials of supercapacitors. The specific capacitance of GPH reaches 390.9 F/g,which is nearly 60% higher than GH,within ice bath that lengthens the chain of PANI.

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Last Update: 2019-09-30