Nanotube high performance capacitors
High-performance Supercapacitors Based on Electrochemical-induced Vertical-aligned Carbon Nanotubes and Polyaniline Nanocomposite Electrodes …
Fabrication and characterization of PANI/VA-CNTs The designed structure of supercapacitor electrode was shown in Fig. 1a.Normally, disordered CNTs (D-CNTs) were randomly aggregated and the charges ...
Synthesis of novel bimetallic nickel cobalt telluride nanotubes on nickel foam for high-performance hybrid supercapacitors
To improve the energy density of a supercapacitor while maintaining its high power density, novel bimetallic nickel cobalt telluride nanotubes are synthesized on nickel foam by a facile solvothermal synthesis followed by an ion-exchange reaction for constructing self-standing hybrid supercapacitor electrodes
Nanotube-like hard carbon as high-performance anode material for sodium ion hybrid capacitors …
Sodium ion hybrid capacitors (SIHCs) are of great concern in large-scale energy storage applications due to their good energy-and-power characteristic, as well as abundant reserves and low cost of sodium. However, the sluggish faradaic kinetics of anode materials severely limit the overall electrochemical performance of SIHC devices. Herein, we …
Controlled growth of nanostructured MnO2 on carbon nanotubes for high-performance electrochemical capacitors …
Nanostructured MnO 2 with controllable densities is successfully deposited on carbon nanotubes through a facile and straightforward redox approach. The as-prepared MnO 2-carbon nanotube hybrids exhibit outstanding capacitive properties including high specific capacitances, good rate capability and excellent cyclic stability. ...
Reduced graphene oxide doped tellurium nanotubes for high performance supercapacitor …
Citation: Rani P, Alegaonkar AP, Biswas R, Jewariya Y, Kanta Haldar K and Alegaonkar PS (2022) Reduced graphene oxide doped tellurium nanotubes for high performance supercapacitor. Front. Chem. 10:1027554. …
Directly Grown Multiwall Carbon Nanotube and Hydrothermal MnO2 Composite for High-Performance Supercapacitor Electrodes
MnO2–MWNT–Ni foam supercapacitor electrodes were developed based on directly grown multiwalled carbon nanotubes (MWNTs) and hydrothermal MnO2 nanostructures on Ni foam substrates. The electrodes demonstrated excellent electrochemical and battery properties. The charge transfer resistance dropped 88.8% …
Zinc oxide/carbon nanotube nanocomposite for high-performance …
Carbon nanotubes (CNTs) is one of the most widely used materials for supercapacitor electrode application due to their unique advantages such as high …
One dimensional MnO 2 /titanium nitride nanotube coaxial arrays for high performance electrochemical capacitive energy storage …
One dimensional MnO2/titanium nitride nanotube coaxial arrays have been designed for a high performance electrochemical capacitive energy storage system based on the concept of fabricating an efficient, fast charge separation network. This nanostructured composite material was prepared by electrodepositing m
Functionalized and tip-open carbon nanotubes for …
Carbon nanotubes (CNTs) have been widely studied for use in supercapacitor electrodes because of their excellent conductivity, high …
Covalently Aligned Molybdenum Disulfide–Carbon Nanotubes Heteroarchitecture for High-Performance Electrochemical Capacitors …
Advanced two-dimensional nanosheets that promote the dynamic transportation and storage capacity of ions are significant for high-performance electrochemical capacitors (ECs). However, such materials often possess a low energy density. We have developed an ...
Nitrogen–Oxygen Co-Doped Carbon-Coated Porous Silica/Carbon Nanotube Composites: Implications for High-Performance Capacitors
In this study, a simple in situ growth method is used to directly synthesize nitrogen–oxygen co-doped carbon-coated porous silica@CNT (CNT@mSiO2@NC) composites with open-tip and multilayer sandwich tubular structures. As the sacrificial template method is used to etch most of the porous SiO2 layer, the obtained nanotube …
Binder-free 2D titanium carbide (MXene)/carbon nanotube composites for high-performance lithium-ion capacitors
Two-dimensional (2D) MXenes have a very good application prospect in the field of electrochemical energy storage due to their metallic conductivity, high volumetric capacity, mechanical and thermal stability. Herein, we report the preparation of titanium carbide (Ti3C2Tx)/carbon nanotube (CNT) flexi …
Carbon Nanotube-Based Supercapacitors with Excellent ac Line …
We report the fabrication of high-performance, self-standing composite sp 2-carbon supercapacitor electrodes using single-walled carbon nanotubes (CNTs) as …
High-performance electrochemical capacitors using electrodeposited MnO2 on carbon nanotube …
Carbon fabric (CF)-carbon nanotube array (CNTA)/MnO 2 composites with a 3D porous structure are prepared by the electrochemical deposition for high-performance electrochemical capacitors. MnO 2 nanoflowers assembled with the petal-like nanosheets uniformly attach on the surface of CNTs. ...
High-Performance Thienothiophene and Single Wall Carbon …
Here we report a high-performance supercapacitor based on polyaniline/vertical-aligned carbon nanotubes (PANI/VA-CNTs) nanocomposite electrodes where the vertical …
High performance solid-state flexible supercapacitor based on Fe3O4/carbon nanotube…
A novel flexible nanoarchitecture was fabricated via the facile electropolymerization of a polyaniline (PANI) network on Fe3O4 particles grown axially on carbon nanotubes (CNTs) of a CNT film for supercapacitor electrode applications. The PANI chains serve as a protective shell to improve the structural stab
Review article Carbon nanotube
The use of carbon nanotube- and graphene-based nanomaterials as a high-performance electrode is one of the promising directions when it comes to …
High performance ordered mesoporous carbon/carbon nanotube composite electrodes for capacitive …
In this study, a novel ordered mesoporous carbon/carbon nanotube (OMC/CNT) composite electrode was proposed and its capacitive deionization properties were investigated in aqueous solution. The OMC/CNT composites were obtained by an organic–inorganic self-assembly route. SEM and TEM observations show the 2D
From carbon nanotubes to functional graphene nanoribbons for high performance supercapacitors …
Therefore, utilizing carbon nanotubes to prepare graphene nanoribbons with high specific capacitance without sacrificing conductivity and rate performance remains a major challenge. Herein, we developed a facile strategy to prepare functional GNRs by the oxidation unzipping of CNTs with followed by low temperature heat reduction.
Polypyrrole directly bonded to air-plasma activated carbon nanotube as electrode materials for high-performance supercapacitor …
The compositions of CNT and plasma activated CNT (P-CNT) analyzed via XPS are shown in Fig. 1 (a) om the inserted table in Fig. 1 (a), it was found that oxygen and nitrogen content (atom %) was 5.6% and 0% in CNT, and 10.1% and 1.8% in P-CNT, respectively, indicating that CNT surface was effectively functionalized with oxygen …
Three-dimensional nanobranched TiO2-carbon nanotube for high performance supercapacitors …
Developing high capacity solid-state super capacitors and exploring their storage mechanism is one of the ongoing scientific topics. Here a novel TiO 2-carbon nanotube (CNT) electrode is prepared by electrochemical deposition of TiO 2 nanostructures on the CNT film. nanostructures on the CNT film.
High-performance symmetric supercapacitors based …
This work reports the nanocomposites of graphitic nanofibers (GNFs) and carbon nanotubes (CNTs) as the electrode …
Metal-organic frameworks-derived porous carbon nanotube for high performance supercapacitor …
The specific capacitance of N-C electrode can reach 252 F g −1 at 0.5 A g −1 and maintain 98.5% of the original specific capacitance after 5000 cycles. Furthermore, a symmetrical supercapacitor based on porous N-C nanotube electrodes demonstrated high −1.
Carbon Nanotube Reinforced Structural Composite Supercapacitor
Carbon nanotubes exhibit mechanical properties ideally suited for reinforced structural composites and surface area and conductivity attractive for …
Carbon nanotube bridged nickel hexacyanoferrate architecture for high-performance hybrid capacitive …
High-loading Co-doped NiO nanosheets on carbon-welded carbon nanotube framework enabling rapid charge kinetic for enhanced supercapacitor performance J. Energy Chem., 50 ( 2020 ), pp. 240 - 247 View PDF View article View in Scopus Google Scholar
Nb2O5 nanotubes on carbon cloth for high performance sodium-ion capacitors …
Hybrid sodiumion capacitors (SICs) bridge the gap between the supercapacitors (SCs) and batteries and have huge potential applications in large-scale energy storage. However, designing appropriate anode materials with fast kinetics behavior as well as long cycle life to match with the cathode electrodes remains a crucial …
Spaced TiO 2 nanotube arrays allow for a high performance hierarchical supercapacitor structure …
In this work, we describe the synthesis and electrochemical properties of nitridated hierarchical TiO2 nanotubes as an electrode for supercapacitors. The hierarchical TiO2 nanostructures are formed by a controlled layer-by-layer TiO2 nanoparticle decoration on self-organized spaced TiO2 nanotubes. These stru
Sonochemically exfoliated polymer-carbon nanotube interface for high performance supercapacitors …
Carbon nanotubes interpenetrating MOFs- derived Co-Ni-S composite spheres with interconnected architecture for high performance hybrid supercapacitor J. Colloid and Interface Sci., 602 ( 2021 ), pp. 627 - 635
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