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@ARTICLE{Jiang:904167,
author = {Jiang, Ming and Zhang, Qian and Danilov, Dmitri and Eichel,
Rüdiger-A. and Notten, Peter H. L.},
title = {{F}ormation of a {S}table {S}olid-{E}lectrolyte
{I}nterphase at {M}etallic {L}ithium {A}nodes {I}nduced by
{L}i{N}b{O} 3 {P}rotective {L}ayers},
journal = {ACS applied energy materials},
volume = {4},
number = {9},
issn = {2574-0962},
address = {Washington, DC},
publisher = {ACS Publications},
reportid = {FZJ-2021-05737},
pages = {10333 - 10343},
year = {2021},
abstract = {The stability of solid-electrolyte interphase (SEI) surface
films at Li-metal anodes is crucial for the safe and durable
operation of lithium-metal batteries (LMBs). By combining
Li-metal anodes with high-performance Ni-rich
transition-metal oxide cathodes, LMBs can meet the goal of a
high specific energy density of more than 500 Wh kg–1.
However, Li-metal anodes suffer from serious problems,
especially the nonuniform lithium deposition and
uncontrollable SEI formation. In this work, Li-metal anodes
were protected by thin-film LiNbO3 coatings. Full cells
composed of protected Li-metal anodes and
LiNi0.6Co0.2Mn0.2O2 cathodes were examined electrochemically
and by physical characterization methods. Postmortem
analyses of pristine and prolonged cycled Li-metal anodes
were performed. The results revealed the formation of more
stable SEI films at the protected Li-metal anodes in
comparison to unprotected electrodes. Consequently, the
LiNbO3 layers improved the cycle-life performance of
Li-metal anodes in LMBs. Furthermore, X-ray photoelectron
spectroscopy (XPS) analyses showed that the reduction of
metallic ions stemming from the Ni-rich cathodes was also
inhibited by the protective LiNbO3 layers, thereby further
controlling the degradation of Li-metal anodes.},
cin = {IEK-9},
ddc = {540},
cid = {I:(DE-Juel1)IEK-9-20110218},
pnm = {1223 - Batteries in Application (POF4-122)},
pid = {G:(DE-HGF)POF4-1223},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000703338600168},
doi = {10.1021/acsaem.1c02278},
url = {https://juser.fz-juelich.de/record/904167},
}