2015
DOI: 10.1021/jp509057w
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Electrochemical Performance of Chemically and Solid State-Derived Chevrel Phase Mo6T8 (T = S, Se) Positive Electrodes for Sodium-Ion Batteries

Abstract: Chevrel phases, CPs (Mo 6 T 8 ; T = S, Se) can accommodate cations (Li + , Mg 2+ etc.) within the Mo 6 T 8 open framework at room temperature due to its unusually high electronic conductivity and ionic mobility and proposed as positive electrodes for secondary batteries. However, cations insertion into Mo 6 T 8 generate strong repulsion between cation-cation or cation-Mo atoms leads to partial charge trapping within the Mo 6 T 8 structure. The present work examine CPs as positive electrodes for sodium-ion batt… Show more

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Cited by 34 publications
(24 citation statements)
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“…within its crystal structure. [11,79,80] Recently a paper [29] was published wherein reversible electrochemical Al intercalation (three positive charges) was reported.…”
Section: Mo 6 S 8 (Chevrel Phase Molybdenum Sulfide)mentioning
confidence: 99%
“…within its crystal structure. [11,79,80] Recently a paper [29] was published wherein reversible electrochemical Al intercalation (three positive charges) was reported.…”
Section: Mo 6 S 8 (Chevrel Phase Molybdenum Sulfide)mentioning
confidence: 99%
“…Transition metal chalcogenides (metal sulfides, selenides, and tellurides) have attracted considerable attention owing to their excellent properties and wide applications in various application fields including energy storage 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 . Transition metal sulfides with various compositions have been studied as efficient anode and cathode materials for lithium- and sodium-ion batteries 10 11 12 13 14 .…”
mentioning
confidence: 99%
“…Figure 6 shows the Mn 2p This trend is clearly observed by examining the value of R e and R i shown in Table 1. R e , the electrode resistance is a measure of the ease of charge transfer across the electrochemical interface, while R i , the interfacial resistance is a result of the solid electrolyte interphase (SEI)type layer formation [31][32][33][34]. The circuit shown in Figure 7 was used for modeling of the equivalent circuit to obtain the values of these resistances given in Table 1.…”
Section: Resultsmentioning
confidence: 99%