Abstract
We study the rechargeable Li and Na ion battery characteristics of tin sulfide (SnS) and tin phosphate (Sn4P3) as negative electrodes by first-principles calculations.
Highlights
In the last decades, the invention of the lithium-ion battery has dramatically changed our lives and has led to various developments through the storages and efficient uses of electrical energies
The first-principles calculations are performed with the VASP code,[48,49] which is based on the density functional theory (DFT) within the generalized gradient approximation (GGA) by Perdew, Burke, and Ernzerhof.[50]
We investigate the battery characteristics of the SnS and Sn4P3 materials as negative electrodes for both Li- and Na-ion rechargeable batteries by the first-principles calculations
Summary
The invention of the lithium-ion battery has dramatically changed our lives and has led to various developments through the storages and efficient uses of electrical energies. The environmental destruction caused by industrial developments has become a global concern, so the effective uses of power generation systems using natural energies including solar powers have been promoted. One of the reasons why renewable energy power generations has not been mainstream is the disadvantage that the amount of power supply is not constant. The amount of power supply from renewable energy sources increases or decreases due to the environmental factors on which the system depends (such as day or night, and weather). A stationary large power supply with high energy densities is useful for reducing the difference in electricity consumption between day and night
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