New Electrochemical Systems for Sodium-Ion Batteries

Two new electrochemical systems have been developed for sodium-ion batteries with a positive electrode based on manganese-doped sodium iron phosphate (NaFe 0.5 Mn 0.5 PO 4 ) and a negative electrode based on a CoGe 2 P 0.1 nanostructure, as well as with a positive electrode based on iron-doped sodiu...

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Published inRussian Journal of Physical Chemistry A Vol. 98; no. 4; pp. 771 - 776
Main Authors Kulova, T. L., Gavrilin, I. M., Skundin, A. M., Kovtushenko, E. V., Kudryashova, Yu. O.
Format Journal Article
LanguageEnglish
Published Moscow Pleiades Publishing 01.04.2024
Springer Nature B.V
Subjects
Chemistry
Chemistry and Materials Science
Electrochemistry. Generation and Storage of Energy from Renewable Sources
Electrodes
Iron
Manganese
Nanostructure
Physical Chemistry
Sodium-ion batteries
energy density
sodium vanadophosphate
germanium–cobalt–phosphorus nanostructures
sodium-ion battery
sodium iron phosphate
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Summary:Two new electrochemical systems have been developed for sodium-ion batteries with a positive electrode based on manganese-doped sodium iron phosphate (NaFe 0.5 Mn 0.5 PO 4 ) and a negative electrode based on a CoGe 2 P 0.1 nanostructure, as well as with a positive electrode based on iron-doped sodium vanadophosphate (Na 3 V 1.9 Fe 0.1 (PO 4 ) 3 ) and a negative electrode based on a CoGe 2 P 0.1 nanostructure. The results of cycling of battery models showed that the energy density of the NaFe 0.5 Mn 0.5 PO 4 /CoGe 2 P 0.1 and Na 3 V 1.9 Fe 0.1 (PO 4 ) 3 /CoGe 2 P 0.1 electrochemical systems is ~165 and 167 W h/kg, respectively.
ISSN:0036-0244
1531-863X
DOI:10.1134/S0036024424040150