Self-assembly of β-FeOOH/rGO/CNT for a high-performance supercapacitor

被引：26

作者：

Bokhari, Syeda Wishal ^{[1
]}

Pan, Hui ^{[1
]}

Siddique, Ahmad Hassan ^{[2
,3
]}

Imtiaz, Muhammad ^{[1
]}

Chen, Zhixin ^{[4
]}

Li, Yao ^{[1
]}

Zhu, Shenmin ^{[1
]}

机构：

[1] Shanghai Jiao Tong Univ, Sch Mat Sci & Engn, State Key Lab Met Matrix Composites, Shanghai 200240, Peoples R China

[2] Chinese Acad Sci, Ningbo Inst Mat Technol & Engn, Key Lab Graphene Technol & Applicat Zhejiang Prov, Ningbo 315201, Zhejiang, Peoples R China

[3] Univ Chinese Acad Sci, Beijing 100049, Peoples R China

[4] Univ Wollongong, Sch Mech Mat & Mechatron Engn, Wollongong, NSW 2522, Australia

来源：

MATERIALS LETTERS | 2018年 / 220卷

基金：

国家重点研发计划;

关键词：

Carbon materials; Nanocomposite; Asymmetric supercapacitor; GRAPHENE OXIDE; CHALLENGES;

D O I：

10.1016/j.matlet.2018.02.131

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

A self-assembled composite of bimorph 1-D akaganeite (beta-FeOOH) into 2-D graphene-carbon nanotube matrix (GC) is prepared via hydrothermal method. The well ordered, chemically bonded structure results in low resistance and improved ion diffusion which enables the composite to deliver a specific capacitance of 533 F g (1) at current density of 1 A g (1). An asymmetric supercapacitor has also been assembled using GC as cathode and GC-FeOOH as anode which exhibits a high energy density of 36.6 W h kg (1) at the power density of 1.2 kW kg (1). (C) 2018 Published by Elsevier B.V.

引用

页码：140 / 143

页数：4

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