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Themed collection Supercapacitors

23 items
Open Access Minireview

Metal oxide-based supercapacitors: progress and prospectives

We investigate the principal elements affecting the properties of bimetallic oxide electrodes to reveal the relevant energy storage mechanisms.

Graphical abstract: Metal oxide-based supercapacitors: progress and prospectives
From the themed collection: Supercapacitors
Open Access Minireview

Current progress achieved in novel materials for supercapacitor electrodes: mini review

This mini-review presents a summary of recent developments in supercapacitor research and technology, including all kinds of supercapacitor design techniques using various electrode materials and production methods for addressing energy storage and harvesting issues.

Graphical abstract: Current progress achieved in novel materials for supercapacitor electrodes: mini review
From the themed collection: Supercapacitors
Open Access Review Article

Progress in supercapacitors: roles of two dimensional nanotubular materials

Overcoming the global energy crisis due to vast economic expansion with the advent of human reliance on energy-consuming labor-saving devices necessitates the demand for next-generation technologies in the form of cleaner energy storage devices.

Graphical abstract: Progress in supercapacitors: roles of two dimensional nanotubular materials
From the themed collection: Supercapacitors
Open Access Review Article

Birnessite based nanostructures for supercapacitors: challenges, strategies and prospects

In the past few years, intensive attention has been focused on birnessite based electrodes for supercapacitors.

Graphical abstract: Birnessite based nanostructures for supercapacitors: challenges, strategies and prospects
From the themed collection: Supercapacitors
Open Access Communication

Engineering doping-vacancy double defects and insights into the conversion mechanisms of an Mn–O–F ultrafine nanowire anode for enhanced Li/Na-ion storage and hybrid capacitors

Doping-vacancy double-defective Mn–O–F ultrafine nanowires power advanced Li/Na-ion capacitors with dominant conversion mechanisms.

Graphical abstract: Engineering doping-vacancy double defects and insights into the conversion mechanisms of an Mn–O–F ultrafine nanowire anode for enhanced Li/Na-ion storage and hybrid capacitors
From the themed collection: Supercapacitors
Open Access Communication

Predicting the capacitance of carbon-based electric double layer capacitors by machine learning

Machine learning (ML) methods were applied to predict the capacitance of carbon-based supercapacitors.

Graphical abstract: Predicting the capacitance of carbon-based electric double layer capacitors by machine learning
From the themed collection: Supercapacitors
Open Access Paper

Phytic acid controlled in situ synthesis of amorphous cobalt phosphate/carbon composite as anode materials with a high mass loading for symmetrical supercapacitor: amorphization of the electrode to boost the energy density

Phytic acid (PA) mediates the controlled synthesis of amorphous cobalt phosphate/carbon (CoPi/C) composite which works in both the positive and negative potential ranges, making it possible to assemble a symmetrical supercapacitor (SSC) device.

Graphical abstract: Phytic acid controlled in situ synthesis of amorphous cobalt phosphate/carbon composite as anode materials with a high mass loading for symmetrical supercapacitor: amorphization of the electrode to boost the energy density
From the themed collection: Supercapacitors
Open Access Paper

Fabrication of a vanadium nitride/N-doped carbon hollow nanosphere composite as an efficient electrode material for asymmetric supercapacitors

N-doped carbon covering on the surface of VN inhibits the oxidation of VN in alkaline electrolyte and increases the electrical conductivity of composite. Therefore, favorable electrochemical behaviors of the V2O3/C//VN/NCS device are exhibited.

Graphical abstract: Fabrication of a vanadium nitride/N-doped carbon hollow nanosphere composite as an efficient electrode material for asymmetric supercapacitors
From the themed collection: Nanoscale Advances HOT Article Collection
Open Access Paper

A hierarchical porous P-doped carbon electrode through hydrothermal carbonization of pomelo valves for high-performance supercapacitors

Porous carbon materials are synthesized from pomelo valves by the hydrothermal activation of H3PO4 followed by simple carbonization.

Graphical abstract: A hierarchical porous P-doped carbon electrode through hydrothermal carbonization of pomelo valves for high-performance supercapacitors
From the themed collection: Nanoscale Advances HOT Article Collection
Open Access Paper

Facile hydrothermal synthesis of porous MgCo2O4 nanoflakes as an electrode material for high-performance asymmetric supercapacitors

A simple hydrothermal route with a post annealing treatment was used to prepare MgCo2O4 porous nanoflakes with excellent electrochemical performances.

Graphical abstract: Facile hydrothermal synthesis of porous MgCo2O4 nanoflakes as an electrode material for high-performance asymmetric supercapacitors
From the themed collection: Nanoscale Advances HOT Article Collection
Open Access Paper

A poly(3,4-propylenedioxythiophene)/carbon micro-sphere-bismuth nanoflake composite and multifunctional Co-doped graphene for a benchmark photo-supercapacitor

Efficient storage of sunlight in the form of charge is accomplished by designing and implementing a photo-supercapacitor (PSC) with a novel, cost-effective architecture.

Graphical abstract: A poly(3,4-propylenedioxythiophene)/carbon micro-sphere-bismuth nanoflake composite and multifunctional Co-doped graphene for a benchmark photo-supercapacitor
From the themed collection: Supercapacitors
Open Access Paper

3D hierarchical self-supported NiO/Co3O4@C/CoS2 nanocomposites as electrode materials for high-performance supercapacitors

Multi-dimensional nanomaterials have drawn great interest for application in supercapacitors due to their large accessible surface area.

Graphical abstract: 3D hierarchical self-supported NiO/Co3O4@C/CoS2 nanocomposites as electrode materials for high-performance supercapacitors
From the themed collection: Nanoscale Advances HOT Article Collection
Open Access Paper

In situ carbon-supported titanium dioxide (ICS-TiO2) as an electrode material for high performance supercapacitors

Supercapacitors have attracted significant attention in the last few years as they have the capability to fulfill the demand for both power and energy density in many energy storage applications.

Graphical abstract: In situ carbon-supported titanium dioxide (ICS-TiO2) as an electrode material for high performance supercapacitors
From the themed collection: Nanoscale Advances HOT Article Collection
Open Access Paper

One-step facile synthesis of nickel–chromium layered double hydroxide nanoflakes for high-performance supercapacitors

Rational design and synthesis of efficient electrodes with pronounced energy storage properties are crucial for supercapacitors.

Graphical abstract: One-step facile synthesis of nickel–chromium layered double hydroxide nanoflakes for high-performance supercapacitors
From the themed collection: Supercapacitors
Open Access Paper

Hierarchical structure N, O-co-doped porous carbon/carbon nanotube composite derived from coal for supercapacitors and CO2 capture

The energy and environmental crises have forced us to search for a new green energy source and develop energy storage and environmental restoration technologies.

Graphical abstract: Hierarchical structure N, O-co-doped porous carbon/carbon nanotube composite derived from coal for supercapacitors and CO2 capture
From the themed collection: Supercapacitors
Open Access Paper

Three-step-in-one synthesis of supercapacitor MWCNT superparamagnetic magnetite composite material under flow

Composites of multi-walled carbon nanotubes (MWCNTs) and superparamagnetic magnetite nanoparticles, Fe3O4@MWCNT, were synthesized in DMF in a vortex fluidic device (VFD).

Graphical abstract: Three-step-in-one synthesis of supercapacitor MWCNT superparamagnetic magnetite composite material under flow
From the themed collection: Supercapacitors
Open Access Paper

Facile synthesis of carbon nanobranches towards cobalt ion sensing and high-performance micro-supercapacitors

A facile strategy is developed for fabrication of carbon nanobranches (CNBs) via in situ pyrolysis of starch.

Graphical abstract: Facile synthesis of carbon nanobranches towards cobalt ion sensing and high-performance micro-supercapacitors
From the themed collection: Supercapacitors
Open Access Paper

In situ construction of dual-morphology ZnCo2O4 for high-performance asymmetric supercapacitors

The morphologies of ZnCo2O4 were controlled by an ultrasonic treatment to achieve high-performance supercapacitors.

Graphical abstract: In situ construction of dual-morphology ZnCo2O4 for high-performance asymmetric supercapacitors
From the themed collection: Supercapacitors
Open Access Paper

Superbat: battery-like supercapacitor utilized by graphene foam and zinc oxide (ZnO) electrodes induced by structural defects

The current work presents a hybrid type of energy storage device composed of both graphene foam and zinc oxide electrodes, which exhibits both the electrochemical performance of a supercapacitor with a relatively higher power density, and a battery with a relatively higher energy density as compared to each individual component as single devices.

Graphical abstract: Superbat: battery-like supercapacitor utilized by graphene foam and zinc oxide (ZnO) electrodes induced by structural defects
From the themed collection: Supercapacitors
Open Access Paper

Three-dimensional nickel vanadium layered double hydroxide nanostructures grown on carbon cloth for high-performance flexible supercapacitor applications

The electrochemical performance of the flexible solid-state supercapacitor device comprising ultrathin Ni–V layered double hydroxide nanosheets grown on carbon cloth showed a negligible change upon bending and twisting of the device.

Graphical abstract: Three-dimensional nickel vanadium layered double hydroxide nanostructures grown on carbon cloth for high-performance flexible supercapacitor applications
From the themed collection: Supercapacitors
Open Access Paper

A high-energy sodium-ion capacitor enabled by a nitrogen/sulfur co-doped hollow carbon nanofiber anode and an activated carbon cathode

Hierarchically nanostructured N/S-co-doped hollow carbon nanofibers are fabricated as anodes for high-energy Na-ion capacitors.

Graphical abstract: A high-energy sodium-ion capacitor enabled by a nitrogen/sulfur co-doped hollow carbon nanofiber anode and an activated carbon cathode
From the themed collection: Supercapacitors
Open Access Paper

Heterostructure of two different 2D materials based on MoS2 nanoflowers@rGO: an electrode material for sodium-ion capacitors

A MoS2 nanoflower@rGO composite has been prepared using a simple and scalable hydrothermal method followed by an ultra sonication process.

Graphical abstract: Heterostructure of two different 2D materials based on MoS2 nanoflowers@rGO: an electrode material for sodium-ion capacitors
From the themed collection: Supercapacitors
Open Access Paper

Silver nanowire/nickel hydroxide nanosheet composite for a transparent electrode and all-solid-state supercapacitor

Silver nanowire (Ag NW) based composites have shown a great potential not just in transparent electrodes but in diverse functional applications.

Graphical abstract: Silver nanowire/nickel hydroxide nanosheet composite for a transparent electrode and all-solid-state supercapacitor
From the themed collection: Supercapacitors
23 items

About this collection

This topical collection highlights nanoscale-based approaches to supercapacitors published so far in Nanoscale Advances. It includes reviews on the progress made so far, and original research showcasing the latest thinking on electrodes, synthesis and performance.

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