NDLI: Morphology-controlled $MnO_{2}–graphene$ oxide–diatomaceous earth 3-dimensional (3D) composites for high-performance supercapacitors

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Kumeria, Tushar Zhu, Shi Jin Wen, Zhong Quan Li, Min Zhang, Wei He, Shi Xuan Gao, Yang Liu, Xiao Ying Li, Fei Zhang, Yu Xin Losic, Dusan
Description	Author Affiliation: Wen ZQ ( College of Optoelectronic Engineering, Key Laboratory of Fundamental Science of Micro/Nano-Devices and System Technology, Chongqing University, Chongqing 400044, PR China. wenzq@cqu.edu.cn zhangyuxin@cqu.edu.cn.); Li M ( College of Optoelectronic Engineering, Key Laboratory of Fundamental Science of Micro/Nano-Devices and System Technology, Chongqing University, Chongqing 400044, PR China. wenzq@cqu.edu.cn zhangyuxin@cqu.edu.cn.); Li F ( College of Materials Science and Engineering, Chongqing University, Chongqing 400044, PR China.); Zhu SJ ( College of Materials Science and Engineering, Chongqing University, Chongqing 400044, PR China.); Liu XY ( College of Materials Science and Engineering, Chongqing University, Chongqing 400044, PR China.); Zhang YX ( College of Optoelectronic Engineering, Key Laboratory of Fundamental Science of Micro/Nano-Devices and System Technology, Chongqing University, Chongqing 400044, PR China. wenzq@cqu.edu.cn zhangyuxin@cqu.edu.cn and College of Materials Science and Engineering, Chongqing University, Chongqing 400044,); Kumeria T ( School of Chemical Engineering, The University of Adelaide, Adelaide, SA 5005, Australia. dusan.losic@adelaide.edu.au.); Losic D ( School of Chemical Engineering, The University of Adelaide, Adelaide, SA 5005, Australia. dusan.losic@adelaide.edu.au.); Gao Y ( Institute of Electronic Engineering, China Academy of Engineering Physics, Mianyang 621900, PR China.); Zhang W ( Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 400714, PR China.); He SX ( Chongqing Institute of Green and Intelligent Technology, Chinese Academy of Sciences, Chongqing 400714, PR China.)
Abstract	3-Dimensional (3D) composites based on a unique combination of $MnO_{2}-nanostructures,$ graphene oxide nanosheets and porous Diatomaceous Earth (DE) microparticles $(GO–DE@MnO_{2})$ were synthesized and explored for application in high-performance supercapacitors. To explore the influence of the structural properties of $MnO_{2}$ nanostructures on supercapacitor performances, several $MnO_{2}$ structures with nanosheet and nanowire morphologies were synthesized and characterized. The prepared $GO–DE@MnO_{2}$ composites with $MnO_{2}$ nanosheets due to their higher conductivity and higher surface area showed a larger specific capacitance of 152.5 F $g^{−1}$ and a relatively better cycle stability (83.3% capacitance retention after 2000 cycles at a scan rate of 2 A $g^{−1}),$ indicating great potential for application in supercapacitors.
ISSN	14779226
Issue Number	3
Journal	Dalton Trans.
Volume Number	45
e-ISSN	13645447
Language	English
Publisher	Royal Society of Chemistry
Publisher Date	2016-01-21
Publisher Place	Great Britain (UK)
Access Restriction	Subscribed
Subject Keyword	Chemistry
Content Type	Text
Resource Type	Article
Subject	Inorganic Chemistry

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