Graphene-metal oxide hybrid materials with 2D and 3D morphologies for advanced supercapacitor electrodes: status, challenges and prospects

R Kumar, S Sahoo, E Joanni, RK Singh, RM Yadav - Materials Today Nano, 2023 - Elsevier
There is a strong worldwide effort towards environmentally clean and renewable energy
sources. Supercapacitors are among the most promising devices for storing the electric …

Ni(OH)2 and NiO Based Composites: Battery Type Electrode Materials for Hybrid Supercapacitor Devices

AL Brisse, P Stevens, G Toussaint, O Crosnier… - Materials, 2018 - mdpi.com
Nanocomposites of Ni (OH) 2 or NiO have successfully been used in electrodes in the last
five years, but they have been falsely presented as pseudocapacitive electrodes for …

Hierarchical shell-core structures of concave spherical NiO nanospines@ carbon for high performance supercapacitor electrodes

P Liu, M Yang, S Zhou, Y Huang, Y Zhu - Electrochimica Acta, 2019 - Elsevier
The inherent electrochemical performance of supercapacitor electrodes is highly depends
on their structures, therefore, numerous efforts are focus on rationally designing and …

Rational construction of bowl-like MnO2 nanosheets with excellent electrochemical performance for supercapacitor electrodes

P Liu, Y Zhu, X Gao, Y Huang, Y Wang, S Qin… - Chemical Engineering …, 2018 - Elsevier
Rational construction of unique hierarchical nanostructured electrodes with excellent
electrochemical performance is a promising solution to satisfy the increasing demand of …

Amorphous nickel oxide and crystalline manganese oxide nanocomposite electrode for transparent and flexible supercapacitor

X Liu, J Wang, G Yang - Chemical Engineering Journal, 2018 - Elsevier
Among numerous active electrode materials, transition metal oxides are promising electrode
materials in supercapacitors. Here, we fabricated amorphous nickel oxide and crystalline …

Fabrication of 3D graphene-CNTs/α-MoO3 hybrid film as an advance electrode material for asymmetric supercapacitor with excellent energy density and cycling life

G Saeed, S Kumar, NH Kim, JH Lee - Chemical Engineering Journal, 2018 - Elsevier
Abstract Recently, three-dimensional (3D) architectures of graphene-carbon nanotubes
(CNTs) have attracted a lot of attention due to their multifunctional properties. In this study …

Polyaniline based charcoal/Ni nanocomposite material for high performance supercapacitors

E Elanthamilan, A Sathiyan, S Rajkumar… - Sustainable Energy & …, 2018 - pubs.rsc.org
A facile wet chemical method was developed to synthesize a PANI/charcoal/Ni
nanocomposite (PANI/AC/Ni), which was found to show significant electrochemical …

Application of graphene-metal/conductive polymer based composites in supercapacitors✰

R Zhang, H Pang - Journal of Energy Storage, 2021 - Elsevier
There is a need to discover an increasing number of new, clean, and renewable materials
and devices to ease the tension caused by environmental changes and energy problems. A …

Synthesis of freestanding 2D CuO nanosheets at room temperature through a simple surfactant free co-precipitation process and its application as electrode material …

A Ghosh, M Miah, A Bera, SK Saha, B Ghosh - Journal of Alloys and …, 2021 - Elsevier
In this report, freestanding two dimensional copper oxide nanosheets (2D CuO NS) of size
0.9–1.3 µm and thickness 3–4 nm has been synthesized at room temperature by a surfactant …

A redox-additive electrolyte and nanostructured electrode for enhanced supercapacitor energy density

VT Nguyen, JM Ting - ACS Sustainable Chemistry & Engineering, 2020 - ACS Publications
We demonstrate an ultrahigh energy density asymmetric supercapacitor (ASC) having a
novel NiCo (CO3)(OH) 2 nanoneedle positive electrode, Fe2O3/rGO nanocomposite …