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@ARTICLE{Qian:828981,
author = {Qian, Yunxian and Schultz, Carola and Niehoff, Philip and
Schwieters, Timo and Nowak, Sascha and Schappacher, Falko M.
and Winter, Martin},
title = {{I}nvestigations on the electrochemical decomposition of
the electrolyte additive vinylene carbonate in {L}i metal
half cells and lithium ion full cells},
journal = {Journal of power sources},
volume = {332},
issn = {0378-7753},
address = {New York, NY [u.a.]},
publisher = {Elsevier},
reportid = {FZJ-2017-02798},
pages = {60 - 71},
year = {2016},
abstract = {In this study, the decomposition of vinylene carbonate (VC)
additive and its effect on the aging behavior is
investigated in Li metal half cells and lithium ion full
cells. Four electrolyte systems, the reference electrolyte
with three VC additive amounts, i.e., 1, 5 and 10 $vol\%$
are examined with commercial LiNi1/3Mn1/3Co1/3O2 (NMC 111)
cathode material and mesophase carbon microbeads (MCMB)
anode material. The thickness changes of the cathode
electrolyte interphase (CEI) and of the solid electrolyte
interphase (SEI) after 5 constant current cycles at 0.1C and
200 constant current/constant voltage (potential) cycles at
1C are investigated for cells containing different amounts
of VC. With the help of X-ray photoelectron spectroscopy
(XPS) and high-performance liquid chromatography (HPLC), a
correlation between CEI thickness change and electrolyte
decomposition is figured out. The addition of VC leads to a
thin CEI layer and a high capacity retention in a lithium
metal half cell. A strong dependence of the performance on
the VC concentration is found for half cells that results
from the continuous consumption of electrolyte and the
electrolyte additive at the Li metal counter electrode. In
contrast, for full cells, even 1 $vol\%$ of VC helps to form
both a stable CEI and SEI, while a larger amount of VC
increases the CEI thickness, electric contact loss and the
internal resistance.},
cin = {IEK-12},
ddc = {620},
cid = {I:(DE-Juel1)IEK-12-20141217},
pnm = {131 - Electrochemical Storage (POF3-131)},
pid = {G:(DE-HGF)POF3-131},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000386643000009},
doi = {10.1016/j.jpowsour.2016.09.100},
url = {https://juser.fz-juelich.de/record/828981},
}