Abstract

The results of the efficiency of using FexNi100−x nanotubes as anode materials for lithium-ion batteries have been obtained. In the course of research, it was found that an increase in the concentration of nickel in the structure to 40 and 60 at.% leads to a sharp increase in the resource number of cycles by more than two times in comparison with iron nanotubes. Such a difference in the resource lifetime is due to the higher stability of FexNi100−x nanotubes with a nickel concentration of more than 40 at.% to destruction, as well as resistance to oxidation.

Highlights

  • IntroductionOne of the most promising nanomaterials for microelectronics and power supplies are cylindrical nanostructures based on iron-nickel, 310 Eurasian Journal of Physics and Functional Materials, Vol.4(4)

  • In the modern world, one of the most promising nanomaterials for microelectronics and power supplies are cylindrical nanostructures based on iron-nickel, 310 Eurasian Journal of Physics and Functional Materials, Vol.4(4).which have a large number of free charge carriers, a developed active surface, high conductivity and magnetic characteristics [1,2,3,4,5]

  • In the course of research, it was found that an increase in the concentration of nickel in the structure to 40 and 60 at.% leads to a sharp increase in the resource number of cycles by more than two times in comparison with iron nanotubes

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Summary

Introduction

One of the most promising nanomaterials for microelectronics and power supplies are cylindrical nanostructures based on iron-nickel, 310 Eurasian Journal of Physics and Functional Materials, Vol.4(4). Electrochemical deposition of microstructures was carried out at an applied potentials difference of 1.75 V, the choice of which is based on the knowledge of the potentials of the reduction of iron and nickel ions from electrolyte solutions. The change in salt concentration resulted in five microstructure compositions in which the elemental nickel content ranged from 0 to 81 atom %. A detailed study of changes in structural parameters and phase composition in iron-nickel micro and nanostructures was previously investigated by us in works [14,15,16].

Fe20Ni80 2 Fe40Ni60 3 Fe60Ni40 4 Fe80Ni20 5 Fe100 Geometry of nanostructures
Results and discussion
Conclusion
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