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Supercapacitors - Materials

Miniaturized supercapacitors: key materials and structures towards autonomous and sustainable devices and systems

Miniaturized supercapacitors: key materials and structures towards autonomous and sustainable devices and systems

... conductive materials with high surface area that coincide with the needs of ...3D materials in order to accommodate electroactive bio fi lm and enhance the electrode/ bacteria interaction [43] and their ...

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Nitrogen Self-Doped Porous Carbon Materials Derived from a New Biomass Source for Highly Stable Supercapacitors

Nitrogen Self-Doped Porous Carbon Materials Derived from a New Biomass Source for Highly Stable Supercapacitors

... carbon materials, and heteroatoms (such as N, O, S and B) have been introduced into carbon materials to enhance the electrochemical performance ...carbon materials with high capacitance and long ...

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Novel Mesoporous Carbon-Carbonaceous Materials Nanostructures Decorated with MnO2 Nanosheets for Supercapacitors

Novel Mesoporous Carbon-Carbonaceous Materials Nanostructures Decorated with MnO2 Nanosheets for Supercapacitors

... approach. Results after a series of electrochemical measurements demonstrated that as-synthesized nanostructures realized the larger specific capacitance of 326 F g -1 and an increase specific capacitance was found after ...

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Rice Husk Derived Activated Carbon/Polyaniline Composites As Active Materials For Supercapacitors

Rice Husk Derived Activated Carbon/Polyaniline Composites As Active Materials For Supercapacitors

... Stability of an electrode material during long-term use is one of key parameters that determine its prospects for the use in supercapacitors. Figure 7B shows data on stability of AC, polyaniline and composite ...

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Porous Biomass Carbon Derived from Peanut Shells as Electrode Materials with Enhanced Electrochemical Performance for Supercapacitors

Porous Biomass Carbon Derived from Peanut Shells as Electrode Materials with Enhanced Electrochemical Performance for Supercapacitors

... The products were characterized by XRD, SEM, Raman and Brunauer Emmett-Teller (BET) tests. The electrochemical performance was explored by cyclic voltammetry, galvanostatic charge-discharge and electrochemical impedance ...

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Self-assembled MnO2/Reduced Graphene Oxide Hybrid Fibers as Electrode Materials for Supercapacitors

Self-assembled MnO2/Reduced Graphene Oxide Hybrid Fibers as Electrode Materials for Supercapacitors

... The results demonstrate the good electrochemical stability of MGFs as electrode materials for supercapacitors. Fig. 7a shows the galvanostatic charge-discharge curves for the MGF electrode at different ...

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Electrochemical Synthesis of Nickel Oxide Nanoparticulate Films on Nickel Foils for High-performance Electrode Materials of Supercapacitors

Electrochemical Synthesis of Nickel Oxide Nanoparticulate Films on Nickel Foils for High-performance Electrode Materials of Supercapacitors

... A loosely packed nickel oxide film composed of nanoparticles was prepared by using the simple electrochemical strategy. The electrodeposited nickel hydroxide is easy to be transformed into nickel oxide at lower ...

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Mesoporous Carbon Materials as Electrodes for Electrochemical Supercapacitors

Mesoporous Carbon Materials as Electrodes for Electrochemical Supercapacitors

... carbon materials were characterized by a highly ordered hexagonal structure with a rod-like domain and by a main pore size of about ...The supercapacitors using the mesoporous nano-structured carbon ...

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Elliptical Fe2O3 Particles / Reduced Graphene Oxide Composite Materials for Supercapacitors and Their Electrochemical Properties in Different Electrolytes

Elliptical Fe2O3 Particles / Reduced Graphene Oxide Composite Materials for Supercapacitors and Their Electrochemical Properties in Different Electrolytes

... of supercapacitors is closely related to the electrode materials ...electrode materials are divided into three categories, i.e., carbon materials, conducting polymers and transition metal ...

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Novel Three-dimensional Hierarchical Flower-like NiO-Co3O4 Composites as High-performance Electrode Materials for Supercapacitors

Novel Three-dimensional Hierarchical Flower-like NiO-Co3O4 Composites as High-performance Electrode Materials for Supercapacitors

... of supercapacitors, combining different TMOs to form multi-component materials, which have two orders higher than all individual constituents, has been widely explored ...electrode materials also ...

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Enhanced Capacitance and Rate Capability of Nanocrystalline VN as Electrode Materials for Supercapacitors

Enhanced Capacitance and Rate Capability of Nanocrystalline VN as Electrode Materials for Supercapacitors

... mode, supercapacitors are classified into two major types: electrical double-layer capacitors (EDLCs), which utilize the charge storage by adsorption of ions at the surface of electrodes, and pseudocapacitors, ...

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Synthesis and Characterization of Hierarchical NiO/Ni-Co-Mn Oxide Nanocomposite Materials for High Performance Supercapacitors

Synthesis and Characterization of Hierarchical NiO/Ni-Co-Mn Oxide Nanocomposite Materials for High Performance Supercapacitors

... the materials mainly used to prepare supercapacitors are carbon-based materials, transition metal oxides and conductive polymers ...carbon-based materials and conductive polymers, diversified ...

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Electrochemical Performance of Mn3O4/G/CB Composite Materials for Supercapacitors

Electrochemical Performance of Mn3O4/G/CB Composite Materials for Supercapacitors

... high electrical conductivity and cycle stability to synthesize the composite materials with good electrochemical performance [5]. Graphene with high conductivity, large surface area and good chemical stability has ...

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Recent Advancements in Electrode Materials for the High-performance Electrochemical Supercapacitors: A Review

Recent Advancements in Electrode Materials for the High-performance Electrochemical Supercapacitors: A Review

... electrode materials. The electrode materials which have unique structural and electrochemical capacitance properties, such as high capacity and cyclic stability showed great supercapacitors ...

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Carbon Xerogel and Manganese Oxide Capacitive Materials for Advanced Supercapacitors

Carbon Xerogel and Manganese Oxide Capacitive Materials for Advanced Supercapacitors

... porous materials that are highly sensitive to the conditions in which they are ...in supercapacitors than traditional activated ...carbon materials are composed of interconnected sphere-like nodules, ...

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Nickel oxide Nano-Rods/Plates as a High Performance Electrode Materials for Supercapacitors; Electrosynthesis and Evolution of Charge Storage Ability

Nickel oxide Nano-Rods/Plates as a High Performance Electrode Materials for Supercapacitors; Electrosynthesis and Evolution of Charge Storage Ability

... by Eq. (4), the specific capacitances of NiO nanoplates were calculated to be 1720, 1541, 1365, 1172, 1006, 853 and 740 F g –1 at the scan rates of 2, 5, 10, 25, 50, 75 and 100 mV s –1 , respectively (Fig. 7b). The ...

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Production of an Activated Carbon from a Banana Stem and its application as electrode materials for Supercapacitors

Production of an Activated Carbon from a Banana Stem and its application as electrode materials for Supercapacitors

... fabricated without the addition of adhesive materials. The density, degree of crystallinity, surface morphology, elemental content and surface area of the electrodes were analyzed. The study of electrochemical ...

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Nitrogen-rich Porous Carbon Derived from Biomass as High Performance Electrode Materials for Supercapacitors

Nitrogen-rich Porous Carbon Derived from Biomass as High Performance Electrode Materials for Supercapacitors

... carbon materials, the introduction of heteroatoms in biomass carbon materials makes the pseudostructure effect of materials an effective way to increase the specific capacitance of the ...

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Study of Ruthenium Oxide, Manganese Oxide and Composite (Ru:Mn)O2 Thin Film Electrodes Assembled by Layer by Layer Spin Coating Method

Study of Ruthenium Oxide, Manganese Oxide and Composite (Ru:Mn)O2 Thin Film Electrodes Assembled by Layer by Layer Spin Coating Method

... composite materials have been prepared by combining ruthenium oxide with cheap metal oxides, such as MnO 2 ...for supercapacitors because of low price, natural profusion along with good electrochemical ...

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Simple Capacitors to Supercapacitors - An Overview

Simple Capacitors to Supercapacitors - An Overview

... [53], nanostructured mesoporous carbon [5448], carbon nanotube/felt composite electrode [55], cresol- formaldehyde based carbon aerogel [56], mesoporous carbon composite (carbon nanofibres/porous carbon) [57], porous ...

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