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@ARTICLE{Yu:824774,
author = {Yu, Shicheng and Mertens, Andreas and Tempel, Hermann and
Eichel, Rüdiger-A. and Kungl, Hans and Schierholz, Roland},
title = {{M}orphology {D}ependency of
{L}i$_{3}${V}$_{2}$({PO}$_{4}$)$_{3}$/{C} {C}athode
{M}aterial {R}egarding to {R}ate {C}apability and {C}ycle
{L}ife in {L}ithium-{I}on {B}atteries},
journal = {Electrochimica acta},
volume = {232},
issn = {0013-4686},
address = {New York, NY [u.a.]},
publisher = {Elsevier},
reportid = {FZJ-2016-07329},
pages = {310-322},
year = {2017},
abstract = {Transition-metal phosphates have been extensively studied
as potential electrode materials for lithium-ion batteries.
For this application, high rate capability and cycling
performance are required. In this work, we present a one-pot
solvothermal synthesis process in combination with in situ
carbonization for the tailoring of Li3V2(PO4)3/C
morphologies with improvements of the electrochemical
performance. These include an unstructured cluster, a
needle-like microstructure, a flake-like microstructure and
a hollowsphere microstructure. We demonstrate a significant
impact of the particle morphology with respect to the
electrochemical performance. The results obtained include,
for instance, needle-like Li3V2(PO4)3/C showing a superior
rate capability of about $72\%$ (∼96 mAh g−1) of its
theoretical capacity being maintained at 30 C, whereas the
flake-like Li3V2(PO4)3/C exhibits outstanding cycling
performance with a capacity retention of $97.1\%$ (∼112
mAh g−1) of its initial capacity after 1000 cycles at 2 C.
Our work demonstrates that the morphology of cathode
particles defines a highly selective parameter to improve
the electrochemical properties. Accordingly, strategies to
selectively tailor particle morphology for a given
application become feasible.},
cin = {IEK-9},
ddc = {540},
cid = {I:(DE-Juel1)IEK-9-20110218},
pnm = {131 - Electrochemical Storage (POF3-131) / HITEC -
Helmholtz Interdisciplinary Doctoral Training in Energy and
Climate Research (HITEC) (HITEC-20170406)},
pid = {G:(DE-HGF)POF3-131 / G:(DE-Juel1)HITEC-20170406},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000398327300037},
doi = {10.1016/j.electacta.2017.02.136},
url = {https://juser.fz-juelich.de/record/824774},
}