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@ARTICLE{Davaasuren:863247,
author = {Davaasuren, Bambar and Tietz, Frank},
title = {{I}mpact of sintering temperature on phase formation,
microstructure, crystallinity and ionic conductivity of
{L}i1.5{A}l0.5{T}i1.5({PO}4)3},
journal = {Solid state ionics},
volume = {338},
issn = {0167-2738},
address = {Amsterdam [u.a.]},
publisher = {Elsevier Science},
reportid = {FZJ-2019-03337},
pages = {144 - 152},
year = {2019},
abstract = {A systematic study was carried out to explore the impact of
sintering temperature on the densification, phase formation,
microstructure, crystallinity, and ionic conductivity of
Li1.5Al0.5Ti1.5(PO4)3 (LATP). There is clear evidence that
a) both the total conductivity and bulk conductivity
increase with increasing sintering temperature, and b) the
phase purity, crystallinity and compositional homogeneity
range of LATP are the key factors that influence the bulk
ionic conductivity. Furthermore, the influence of a
sintering aid (Li2B4O7) on the microstructure and ionic
conductivity of LATP was probed. The Li2B4O7 improved the
microstructural parameters of the LATP electrolyte and thus
remarkably reduced the grain boundary resistance of the
pristine LATP from 3500 Ω·cm to 1500 Ω·cm. The
sintering aid Li2B4O7 did not influence the stoichiometry or
the long-range order of LATP but rather acted as an
ion-conducting bridge between the LATP grains facilitating
the Li-ion transport.},
cin = {IEK-1 / IEK-12},
ddc = {530},
cid = {I:(DE-Juel1)IEK-1-20101013 / I:(DE-Juel1)IEK-12-20141217},
pnm = {131 - Electrochemical Storage (POF3-131)},
pid = {G:(DE-HGF)POF3-131},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000482515900021},
doi = {10.1016/j.ssi.2019.05.016},
url = {https://juser.fz-juelich.de/record/863247},
}