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A Computational Study on the Some Small Graphene-Like Nanostructures as the Anodes in Na−Ion Batteries

Fatemeh Alipour, Mirzaagha Babazadeh, Esmail Vessally, Akram Hosseinian, Parvaneh Delir Kheirollahi Nezhad

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Abstract

In this work, the interactions between the Na neutral atom and Na+ ion and three nanostructures such as sumanene (SM), corannulene (CN), and nanosheet were investigated. The main goal of this work is to calculate the cell voltage (V) for Na−ion batteries, NIBs. The total energies, geometry optimizations, and density of states (DOS) diagrams were studied by using M06−2X level and 6−31+G(d,p) basis set. The DFT calculations indicated that the energy adsorption between Na+ ion and nanostructures, Ead,were increased in the order:SM-i > Sheet > CN-i > CN > SM. Nevertheless, the Vcell for SM has obtained the highest value. The Vcell of NABs are increased in the order: SM > CN > Sheet > SM-i > CN-i.This research theoretically described the possible uses of the mentioned nanostructures as anode the anodes in Na−ion Batteries.

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What this paper is about

In this work, the interactions between the Na neutral atom and Na+ ion and three nanostructures such as sumanene (SM), corannulene (CN), and nanosheet were investigated. The main goal of this work is to calculate the cell voltage (V) for Na−ion batteries, NIBs. The total energies, geometry optimizations, and density of states (DOS) diagrams were studied by using M06−2X level and 6−31+G(d,p) basis set. The DFT calculations indicated that the energy adsorption between Na+ ion and nanostructures, Ead,were increased in the order:SM-i > Sheet > CN-i > CN > SM. Nevertheless, the Vcell for SM has obtained the highest value. The Vcell of NABs are increased in the order: SM > CN > Sheet > SM-i > CN-i.This research theoretically described the possible uses of the mentioned nanostructures as anode the anodes in Na−ion Batteries.

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Available abstract

In this work, the interactions between the Na neutral atom and Na+ ion and three nanostructures such as sumanene (SM), corannulene (CN), and nanosheet were investigated. The main goal of this work is to calculate the cell voltage (V) for Na−ion batteries, NIBs. The total energies, geometry optimizations, and density of states (DOS) diagrams were studied by using M06−2X level and 6−31+G(d,p) basis set. The DFT calculations indicated that the energy adsorption between Na+ ion and nanostructures, Ead,were increased in the order:SM-i > Sheet > CN-i > CN > SM. Nevertheless, the Vcell for SM has obtained the highest value. The Vcell of NABs are increased in the order: SM > CN > Sheet > SM-i > CN-i.This research theoretically described the possible uses of the mentioned nanostructures as anode the anodes in Na−ion Batteries.

Key concepts: Nanosheet, Anode, Graphene, Nanostructure, Ion, Corannulene, Materials science, Nanotechnology

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