Solvation of the fluorine containing anions and their lithium salts in propylene carbonate and dimethoxyethane

Verfasser / Beitragende:
[Vitaly Chaban]
Ort, Verlag, Jahr:
2015
Enthalten in:
Journal of Molecular Modeling, 21/7(2015-07-01), 1-8
Format:
Artikel (online)
ID: 605511543
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024 7 0 |a 10.1007/s00894-015-2717-y  |2 doi 
035 |a (NATIONALLICENCE)springer-10.1007/s00894-015-2717-y 
100 1 |a Chaban  |D Vitaly  |u Instituto de Ciência e Tecnologia, Universidade Federal de São Paulo, 12231-280, São José dos Campos, SP, Brazil  |4 aut 
245 1 0 |a Solvation of the fluorine containing anions and their lithium salts in propylene carbonate and dimethoxyethane  |h [Elektronische Daten]  |c [Vitaly Chaban] 
520 3 |a Electrolyte solutions based on the propylene carbonate (PC)-dimethoxyethane (DME) mixtures are of significant importance and urgency due to emergence of lithium-ion batteries. Solvation and coordination of the lithium cation in these systems have been recently attended in detail. However, analogous information concerning anions (tetrafluoroborate, hexafluorophosphate) is still missed. This work reports PM7-MD simulations (electronic-structure level of description) to include finite-temperature effects on the anion solvation regularities in the PC-DME mixture. The reported result evidences that the anions appear weakly solvated. This observation is linked to the absence of suitable coordination sites in the solvent molecules. In the concentrated electrolyte solutions, both BF4 − and PF6 − prefer to exist as neutral ion pairs (LiBF4, LiPF6). 
540 |a Springer-Verlag Berlin Heidelberg, 2015 
690 7 |a Propylene carbonate  |2 nationallicence 
690 7 |a Dimethoxyethane  |2 nationallicence 
690 7 |a Hexafluorophosphate  |2 nationallicence 
690 7 |a Molecular dynamics  |2 nationallicence 
690 7 |a PM7-MD  |2 nationallicence 
690 7 |a Semiempirical  |2 nationallicence 
690 7 |a Structure  |2 nationallicence 
690 7 |a Tetrafluoroborate  |2 nationallicence 
773 0 |t Journal of Molecular Modeling  |d Springer Berlin Heidelberg  |g 21/7(2015-07-01), 1-8  |x 1610-2940  |q 21:7<1  |1 2015  |2 21  |o 894 
856 4 0 |u https://doi.org/10.1007/s00894-015-2717-y  |q text/html  |z Onlinezugriff via DOI 
898 |a BK010053  |b XK010053  |c XK010000 
900 7 |a Metadata rights reserved  |b Springer special CC-BY-NC licence  |2 nationallicence 
908 |D 1  |a research-article  |2 jats 
949 |B NATIONALLICENCE  |F NATIONALLICENCE  |b NL-springer 
950 |B NATIONALLICENCE  |P 856  |E 40  |u https://doi.org/10.1007/s00894-015-2717-y  |q text/html  |z Onlinezugriff via DOI 
950 |B NATIONALLICENCE  |P 100  |E 1-  |a Chaban  |D Vitaly  |u Instituto de Ciência e Tecnologia, Universidade Federal de São Paulo, 12231-280, São José dos Campos, SP, Brazil  |4 aut 
950 |B NATIONALLICENCE  |P 773  |E 0-  |t Journal of Molecular Modeling  |d Springer Berlin Heidelberg  |g 21/7(2015-07-01), 1-8  |x 1610-2940  |q 21:7<1  |1 2015  |2 21  |o 894