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@ARTICLE{Windmller:824755,
author = {Windmüller, Anna and Tsai, Chih-Long and Möller, Sören
and Balski, Matthias and Sohn, Yoo Jung and Uhlenbruck, Sven
and Guillon, Olivier},
title = {{E}nhancing the performance of high-voltage
{L}i{C}o{M}n{O}$_{4}$ spinel electrodes by fluorination},
journal = {Journal of power sources},
volume = {341},
issn = {0378-7753},
address = {New York, NY [u.a.]},
publisher = {Elsevier},
reportid = {FZJ-2016-07310},
pages = {122 - 129},
year = {2017},
abstract = {With the aim of improving the electrochemical properties of
the LiCoMnO4 high-voltage spinel for lithium ion battery
applications, LiCoMnO4-yFy (y = 0, 0.05, 0.1) compounds were
synthesized by a two-step solid-state reaction at 800 °C.
The stoichiometry of the samples was verified by nuclear
reaction analysis for the fluorine stoichiometry, inert gas
fusion analysis for the oxygen stoichiometry, and
inductively coupled plasma optical emission spectroscopy for
the cation stoichiometry. X-ray diffraction analysis and
scanning electron microscopy revealed increasing phase
purity and changing microstructure upon fluorine
incorporation. Electrochemical characterizations were
carried out in battery test cells using a liquid
electrolyte. The samples show poor coulombic efficiency, due
to liquid electrolyte decomposition. However, fluorinated
spinels demonstrated significantly improved capacities of up
to $18\%$ and improved cycling stability of up to $20\%,$
compared to their non-fluorinated counterparts.},
cin = {IEK-1 / JARA-ENERGY / IEK-4 / ZEA-3},
ddc = {620},
cid = {I:(DE-Juel1)IEK-1-20101013 / $I:(DE-82)080011_20140620$ /
I:(DE-Juel1)IEK-4-20101013 / I:(DE-Juel1)ZEA-3-20090406},
pnm = {131 - Electrochemical Storage (POF3-131)},
pid = {G:(DE-HGF)POF3-131},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000393003400015},
doi = {10.1016/j.jpowsour.2016.11.100},
url = {https://juser.fz-juelich.de/record/824755},
}