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Carbon and Metal Oxides Based Nanomaterials for Flexible High Performance Asymmetric Supercapacitors

Part of the Springer Theses Book Series

DOI: 10.1007/978-981-10-8342-6

ISBN: 978-981-10-8341-9

Publisher: Springer Singapore - Springer Journals

Jun 24, 2018

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Chapter 1Introduction

Hu, Yating

Pages: 1 –29

[ Supercapacitors is a promising class of efficiency energy storage devices for resolving a key part of the energy crisis. However, critical technical issues, such as the low energy density and reliability, need to be addressed, before they could be extended to a wide range of applications with...
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Chapter 2Experimental Section

Hu, Yating

Pages: 31 –33

[This chapter describes the materials, experimental methodologies, and characterization techniques used in this thesis. Chemicals involved in all experiments are introduced in Sect. 2.1. Materials synthesis methods are described in Sect. 2.2, followed by the characterization techniques presented...
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Chapter 3Nitrogen Doping of Mesoporous Carbon Materials

Hu, Yating

Pages: 35 –47

[ Mesoporous carbons doped with different amounts of nitrogen are developed via a soft-templated hydrothermal route. Tuneable porosity and electrical conductivity is achieved through varying the amount of N-doping level, which helps to understand the effect of N-doping level on the...
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Chapter 4Improving the Surface Area and Loading Mass of MnOx Based Electrode Materials

Hu, Yating

Pages: 49 –61

[ A new bilayer structure for the MnOx growing on Ni foam have been developed, aimed to improve the surface area and loading mass of the free standing type of MnOx based supercapacitor electrode materials. As such, high specific capacitance is obtained with much higher mass loading and improved...
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Chapter 5Mn3O4 Nanomaterials with Controllable Morphology and Particle Sizes

Hu, Yating

Pages: 63 –73

[Mn3O4 nanomaterials of different morphologies and crystal structures are successfully developed by tuning the hydrothermal temperature and controllable crystallite sizes for Mn3O4 with the help of surfactant. These Mn3O4 nanomaterials are then assembled with rGO sheets into a flexible hybrid...
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Chapter 6Optimized Hybrid Mn3O4 Nanofiber/rGO Paper for High Performance Flexible ASCs

Hu, Yating

Pages: 75 –90

[Mn3O4 nanofibers are successfully assembled into 2D rGO paper. Firstly, a facile hydrothermal process is used to obtain the Mn3O4 gel. The as obtained gel could then be easily blended with GO suspension and the hybrid Mn3O4/rGO paper could be obtained. The electrochemically reduced hybrid paper...
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Chapter 7Hybrid Fe2O3 Nanoparticle Clusters/rGO Paper for Flexible Supercapacitors

Hu, Yating

Pages: 91 –104

[This chapter reports a new strategy to enhance the volumetric capacitance for the negative electrode, which is by developing a class of hybrid Fe2O3 nanoparticle clusters/rGO papers via a facile hydrothermal route and electrochemical reduction. The hybrid structure gave rise to the high...
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Chapter 8Conclusions and Recommendations

Hu, Yating

Pages: 105 –108

[Mechanically flexible ASCs are promising next generation energy storage devices, as they provide much higher energy density and better overall performances than symmetric or non-flexible supercapacitors. This thesis focuses on the selection, design and synthesis of the suitable candidates for...

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