Next Article in Journal
The Role of Surface Chemistry and Polyethylenimine Grafting in the Removal of Cr (VI) by Activated Carbons from Cashew Nut Shells
Next Article in Special Issue
Investigation of the Effects of Multi-Wall and Single-Wall Carbon Nanotubes Concentration on the Properties of ABS Nanocomposites
Previous Article in Journal
Selection of Mixed Amines in the CO2 Capture Process
Previous Article in Special Issue
Anisotropic Magnetism in Gradient Porous Carbon Composite Aerogels
Open AccessArticle

A New Composite Material on the Base of Carbon Nanotubes and Boron Clusters B12 as the Base for High-Performance Supercapacitor Electrodes

1
Department of Physics, Saratov State University, Astrakhanskaya 83, 410012 Saratov, Russia
2
Laboratory of Biomedical Nanotechnology, I.M. Sechenov First Moscow State Medical University, Bolshaya Pirogovskaya Street 2-4, 119991 Moscow, Russia
*
Author to whom correspondence should be addressed.
Received: 28 January 2021 / Revised: 19 February 2021 / Accepted: 23 February 2021 / Published: 25 February 2021
(This article belongs to the Special Issue Carbon-Rich Compounds: From Molecules to Materials)
We explore the quantum capacitance, stability, and electronic properties of single-walled carbon nanotubes decorated with B12 icosahedral boron clusters by first-principle calculation methods implemented in the SIESTA code. After the optimization of the built supercells, the B12 clusters formed bonds with the walls of the carbon nanotubes and demonstrated metallic properties in all cases. The network of carbon nanotubes with its large area and branched surface is able to increase the capacity of the electric double-layer capacity, but the low quantum capacity of each nanotube in this network limits its application in supercapacitors. We found that the addition of boron clusters to both the outer and inner walls increased the quantum capacitance of carbon nanotubes. The calculation of the transmission function near the Fermi energy showed an increase in the conductivity of supercells. It was also found that an increase in the concentration of boron clusters in the structure led to a decrease in the heat of formation that positively affects the stability of supercells. The calculation of the specific charge density showed that with an increase in the boron concentration, the considered material demonstrated the properties of an asymmetric electrode. View Full-Text
Keywords: quantum capacitance; single-walled carbon nanotubes; supercapacitors; charge transport quantum capacitance; single-walled carbon nanotubes; supercapacitors; charge transport
Show Figures

Figure 1

MDPI and ACS Style

Kolosov, D.A.; Glukhova, O.E. A New Composite Material on the Base of Carbon Nanotubes and Boron Clusters B12 as the Base for High-Performance Supercapacitor Electrodes. C 2021, 7, 26. https://0-doi-org.brum.beds.ac.uk/10.3390/c7010026

AMA Style

Kolosov DA, Glukhova OE. A New Composite Material on the Base of Carbon Nanotubes and Boron Clusters B12 as the Base for High-Performance Supercapacitor Electrodes. C. 2021; 7(1):26. https://0-doi-org.brum.beds.ac.uk/10.3390/c7010026

Chicago/Turabian Style

Kolosov, Dmitry A.; Glukhova, Olga E. 2021. "A New Composite Material on the Base of Carbon Nanotubes and Boron Clusters B12 as the Base for High-Performance Supercapacitor Electrodes" C 7, no. 1: 26. https://0-doi-org.brum.beds.ac.uk/10.3390/c7010026

Find Other Styles
Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Article Access Map by Country/Region

1
Search more from Scilit
 
Search
Back to TopTop