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@ARTICLE{Stuckenberg:1024896,
author = {Stuckenberg, Silvan and Bela, Marlena Maria and
Lechtenfeld, Christian-Timo and Mense, Maximilian and
Küpers, Verena and Ingber, Tjark Thorben Klaus and Winter,
Martin and Stan, Marian Cristian},
title = {{I}nfluence of {L}i{NO} 3 on the {L}ithium {M}etal
{D}eposition {B}ehavior in {C}arbonate‐{B}ased {L}iquid
{E}lectrolytes and on the {E}lectrochemical {P}erformance in
{Z}ero‐{E}xcess {L}ithium {M}etal {B}atteries},
journal = {Small},
volume = {20},
number = {6},
issn = {1613-6810},
address = {Weinheim},
publisher = {Wiley-VCH},
reportid = {FZJ-2024-02547},
pages = {2305203},
year = {2024},
note = {Unterstützt durch BMBF Grant: ProLiFest (03XP0253A)},
abstract = {Continuous lithium (Li) depletion shadows the increase in
energy density and safety properties promised by zero-excess
lithium metal batteries (ZELMBs). Guiding the Li deposits
toward more homogeneous and denser lithium morphology
results in improved electrochemical performance. Herein, a
lithium nitrate (LiNO3) enriched separator that improves the
morphology of the Li deposits and facilitates the formation
of an inorganic-rich solid–electrolyte interphase (SEI)
resulting in an extended cycle life in Li||Li-cells as well
as an increase of the Coulombic efficiency in Cu||Li-cells
is reported. Using a LiNi0.6Co0.2Mn0.2O2 positive electrode
in NCM622||Cu-cells, a carbonate-based electrolyte, and a
LiNO3 enriched separator, an extension of the cycle life by
more than 50 cycles with a moderate capacity fading compared
to the unmodified separator is obtained. The relative
constant level of LiNO3 in the electrolyte, maintained by
the LiNO3 enriched separator throughout the cycling process
stems at the origin of the improved performance. Ion
chromatography measurements carried out at different cycles
support the proposed mechanism of a slow and constant
release of LiNO3 from the separator. The results indicate
that the strategy of using a LiNO3 enriched separator
instead of LiNO3 as a sacrificial electrolyte additive can
improve the performance of ZELMBs further by maintaining a
compact and thus stable SEI layer on Li deposits.},
cin = {IEK-12},
ddc = {620},
cid = {I:(DE-Juel1)IEK-12-20141217},
pnm = {1221 - Fundamentals and Materials (POF4-122) / MEET HiEnD
III - Materials and Components to Meet High Energy Density
Batteries (13XP0258B) / DFG project 509322222 - Struktur,
Dynamik und elektrochemische Stabilität von konzentrierten
Elektrolyten in begrenzten Umgebungen (509322222)},
pid = {G:(DE-HGF)POF4-1221 / G:(BMBF)13XP0258B /
G:(GEPRIS)509322222},
typ = {PUB:(DE-HGF)16},
pubmed = {37797185},
UT = {WOS:001080896600001},
doi = {10.1002/smll.202305203},
url = {https://juser.fz-juelich.de/record/1024896},
}