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@ARTICLE{Chang:1049187,
author = {Chang, Chia-Yu and Wang, Chih-Chieh and Cheng, Cheng-Hung
and Lu, Yen-Lin and Lin, Shi-Hsin and Granwehr, Josef and
Windmüller, Anna and Tsai, Chih-Long and Eichel,
Rüdiger-A. and Chiu, Kuo-Feng},
title = {{E}nhanced stability and high rate capability of garnet
solid-state electrolyte interface through integration of
nanoscale {L}i4{T}i5{O}12 for {L}i battery applications},
journal = {Journal of power sources},
volume = {652},
issn = {0378-7753},
address = {New York, NY [u.a.]},
publisher = {Elsevier},
reportid = {FZJ-2025-05270},
pages = {237593 -},
year = {2025},
note = {Bitte Postprint ergänzen!},
abstract = {Garnet-type solid-state electrolytes (SSE) have garnered
considerable interest because of their high ionic
conductivity and broad electrochemical window. However, poor
interfacial contact with lithium metal remains a persistent
challenge, leading to insufficient interfacial stability and
low rate performances of the SSE. In this study, the surface
of the garnet LLZTO (Li6.45Al0.05La3Zr1.6Ta0.4O12) SSE
pellet is integrated with a nanoscale Li4Ti5O12 (LTO)
through application of TiO2 using atomic layer deposition
(ALD). The 2.5 nm TiO2 layer reacts with Li2CO3 on the
surface and grain boundaries of LLZTO pellet to form the
nanoscale Li4Ti5O12 (LTO) during the sintering process. The
integrated nanoscale LTO enhances the wettability of LLZTO
SSE with lithium metal and reduces the grain boundary
resistance, providing a stable and zero-strain channel for
lithium deposition and stripping. These features promote
uniform lithium deposition and rapid lithium ion migration
through LLZTO, thereby suppressing lithium dendrite
formation and achieving high rate performance. These
findings offer new insights into the surface modification
strategies for garnet-type SSE aimed at improving their
wettability, interfacial stability, and rate capability in
lithium battery.},
cin = {IET-1},
ddc = {620},
cid = {I:(DE-Juel1)IET-1-20110218},
pnm = {1223 - Batteries in Application (POF4-122) / AdamBatt -
Fortschrittliche Materialien für die Anwendung in Hybriden
Festkörperbatterien (13XP0305A) / HIPSTER - Deployment of
high pressure and temperature food processing for
sustainable, safe and nutritious foods with fresh-like
quality (635643)},
pid = {G:(DE-HGF)POF4-1223 / G:(BMBF)13XP0305A /
G:(EU-Grant)635643},
typ = {PUB:(DE-HGF)16},
doi = {10.1016/j.jpowsour.2025.237593},
url = {https://juser.fz-juelich.de/record/1049187},
}