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@ARTICLE{Borzutzki:906508,
author = {Borzutzki, Kristina and Nair, Jijeesh Ravi and Winter,
Martin and Brunklaus, Gunther},
title = {{D}oes {C}ell {P}olarization {M}atter in {S}ingle-{I}on
{C}onducting {E}lectrolytes?},
journal = {ACS applied materials $\&$ interfaces},
volume = {14},
number = {4},
issn = {1944-8244},
address = {Washington, DC},
publisher = {Soc.},
reportid = {FZJ-2022-01487},
pages = {5211 - 5222},
year = {2022},
abstract = {Single-ion conducting polymer electrolytes (SIPE) are
particularly promising electrolyte materials in lithium
metal-based batteries since theoretical considerations
suggest that the immobilization of anions avoids
polarization phenomena at electrode|electrolyte interfaces.
SIPE in principle could allow for fast charging while
preventing cell failure induced by short circuits arising
from the growth of inhomogeneous Li depositions provided
that SIPE membranes possess sufficient mechanical stability.
To date, different chemical structures are developed for
SIPE, where new compounds are often reported through
electrochemical characterization at low current rates.
Experimental counterparts to model-based assumptions and
determination of system limitations by correlating both
models and experiments are rare in the literature. Herein,
Chazalviel’s model, which is derived from ion
concentration gradients, is applied to theoretically
determine the limiting current density (JLim) of a SIPE.
Comparison with the experimentally obtained JLim reveals a
large deviation between the theoretical and practical
values. Beyond that, charge–discharge profiles show a
distinct arcing behavior at moderate current densities (0.5
to 1 mA cm–2), indicating polarization of the cell, which
is not so far reported for SIPE. In this context, by
application of various electrochemical and physiochemical
methods, the details of cell polarization and the role of
the solid electrolyte interphase in producing arcing
behavior in the voltage profiles in stripping/plating
experiments are revealed, which eventually also elucidate
the inconsistency of JLim.},
cin = {IEK-12},
ddc = {600},
cid = {I:(DE-Juel1)IEK-12-20141217},
pnm = {1221 - Fundamentals and Materials (POF4-122)},
pid = {G:(DE-HGF)POF4-1221},
typ = {PUB:(DE-HGF)16},
pubmed = {pmid:35072445},
UT = {WOS:000757815700001},
doi = {10.1021/acsami.1c19097},
url = {https://juser.fz-juelich.de/record/906508},
}