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@ARTICLE{NarayananKirshnamoorthy:857734,
author = {Narayanan Kirshnamoorthy, Anand and Oldiges, Kristina and
Winter, Martin and Heuer, Andreas and Cekic-Laskovic,
Isidora and Holm, Christian and Smiatek, Jens},
title = {{E}lectrolyte solvents for high voltage lithium ion
batteries: ion correlation and specific anion effects in
adiponitrile},
journal = {Physical chemistry, chemical physics},
volume = {20},
number = {40},
issn = {1463-9084},
address = {Cambridge},
publisher = {RSC Publ.66479},
reportid = {FZJ-2018-06702},
pages = {25701 - 25715},
year = {2018},
abstract = {We studied dynamic and structural properties of two lithium
conducting salts in the aprotic organic solvent adiponitrile
by a combination of atomistic molecular dynamics (MD)
simulations, quantum chemical calculations, and experimental
findings. The outcomes of our simulations reveal significant
differences between both lithium salts, namely lithium
tetrafluoroborate (LiBF4) and lithium
bis(trifluoromethanesulfonyl)imide (LiTFSI) at various
concentrations, which can be mainly attributed to the
solvation behavior of the individual anions. The increased
tendency of ion complex formation for LiBF4 is reflected by
lower values regarding the measured and computed effective
ionic conductivities when compared to LiTFSI. All findings
highlight the crucial importance of specific anion effects
in combination with molecular details of solvation, and
advocate the use of adiponitrile as a beneficial solvent in
modern lithium ion battery technology with high voltage
electrodes.},
cin = {IEK-12},
ddc = {540},
cid = {I:(DE-Juel1)IEK-12-20141217},
pnm = {131 - Electrochemical Storage (POF3-131)},
pid = {G:(DE-HGF)POF3-131},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:30280151},
UT = {WOS:000448345800016},
doi = {10.1039/C8CP04102D},
url = {https://juser.fz-juelich.de/record/857734},
}