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@ARTICLE{Weber:1005795,
author = {Weber, Felix M. and Graff, Karl Martin and Kohlhaas, Ina
and Figgemeier, Egbert},
title = {{E}ffective {L}ithium {P}assivation through {G}raphite
{C}oating for {L}ithium {M}etal {B}atteries},
journal = {ACS applied energy materials},
volume = {6},
number = {6},
issn = {2574-0962},
address = {Washington, DC},
publisher = {ACS Publications},
reportid = {FZJ-2023-01640},
pages = {3413 - 3421},
year = {2023},
abstract = {Metallic lithium reacts with organic solvents, resulting in
their decomposition. The prevention of these decomposition
reactions is a key aspect enabling the use of metallic
lithium as an anode in lithium metal batteries. Scanning
electrochemical microscopy (SECM), laser microscopy, and
Fourier transform infrared (FT-IR) spectroscopy were used to
analyze the effect of a graphite coating on metallic
lithium. The graphite layer successfully prevents the
agglomeration of decomposition products on the surface. SECM
data show that the surface of untreated lithium metal in
electrolyte is insulating, but the surface of the graphite
coated lithium appears conducting and is therefore not
covered by any layer of decomposition products. The
protective properties of the graphite layer were proofed
using FT-IR data. No significant differences in the spectra
evolved during immersion of the sample in the electrolyte.
Electrochemical plating experiments and post-mortem analysis
revealed that the graphite layer did not result in
homogeneous lithium plating depending on the current
density. At high currents, no fully covering layer of
decomposition products was formed on the surface during
plating experiments, indicating a more complex mechanism of
solid–electrolyte interface formation.},
cin = {IEK-12},
ddc = {540},
cid = {I:(DE-Juel1)IEK-12-20141217},
pnm = {1221 - Fundamentals and Materials (POF4-122) / Lillint -
Thermodynamic and kinetic stability of the Lithium-Liquid
Electrolyte Interface (13XP0225B)},
pid = {G:(DE-HGF)POF4-1221 / G:(BMBF)13XP0225B},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000959225800001},
doi = {10.1021/acsaem.2c04128},
url = {https://juser.fz-juelich.de/record/1005795},
}