2020
DOI: 10.1016/j.nanoen.2020.105097
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Tuning ionic conductivity and electrode compatibility of Li3YBr6 for high-performance all solid-state Li batteries

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Cited by 57 publications
(51 citation statements)
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“…[11] First cell studies show good stability of the halide SEs in contact with CAMs such as LiCoO 2 and LiNi 0.8 Co 0.1 Mn 0.1 O 2 ,a nd side reactions with the CAMs were not reported. [8][9][10][11]15] This is in accordance with theoretical predictions that suggest high oxidation stability of the halide anions. [7,14] According to theoretical predictions, the electrochemical stability windows (ESW) of Li 3 InCl 6 and Li 3 YCl 6 are 2.38-4.26 Vand 0.62-4.02 vs.L i + /Li, respectively, [14] showing that these electrolytes can be used in contact with most CAMs but that the anode interface may be unstable.D ue to the expected instability against the LMA, al ithium thiophosphate separator electrolyte is mostly used, and the halide SEs are primarily used as cathode electrolyte.…”
Section: Introductionsupporting
confidence: 91%
“…[11] First cell studies show good stability of the halide SEs in contact with CAMs such as LiCoO 2 and LiNi 0.8 Co 0.1 Mn 0.1 O 2 ,a nd side reactions with the CAMs were not reported. [8][9][10][11]15] This is in accordance with theoretical predictions that suggest high oxidation stability of the halide anions. [7,14] According to theoretical predictions, the electrochemical stability windows (ESW) of Li 3 InCl 6 and Li 3 YCl 6 are 2.38-4.26 Vand 0.62-4.02 vs.L i + /Li, respectively, [14] showing that these electrolytes can be used in contact with most CAMs but that the anode interface may be unstable.D ue to the expected instability against the LMA, al ithium thiophosphate separator electrolyte is mostly used, and the halide SEs are primarily used as cathode electrolyte.…”
Section: Introductionsupporting
confidence: 91%
“…24,25,35 The differences in conductivity may stem from the varying synthesis parameters and 16 annealing times that were applied, since it is known for the halide materials that synthesis conditions have a severe influence on structure and properties. 29,31,32,50 In addition, the small conductivity discrepancy may also be due to the known interlaboratory deviations in the ionic conductivity of these mechanically soft materials. 51 The activation energy determined by impedance spectroscopy reaches a minimum for Li2.6In0.6Zr0.4Cl6 which coincides with the optimum of the conductivity found here.…”
Section: Ionic Transportmentioning
confidence: 99%
“…29,31 Moreover, studies showed that the heat treatment conditions strongly influence the ionic conductivity. 31,32 Just recently, Kwak et al showed that a mechanochemical synthesis stabilizes the trigonal structure for Li2ZrCl6, while annealing resulted in a monoclinic structure exhibiting conductivities of 0.4 mS•cm -1 and 5.7 • 10 -3 mS•cm -1 , respectively. 33 The conductivity of mechanochemically prepared Li2ZrCl6 was further enhanced up to ~ 1 mS•cm -1 by Fe 3+ substitution.…”
Section: Introductionmentioning
confidence: 99%