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@ARTICLE{Wolff:888292,
author = {Wolff, Michael and Lobe, Sandra and Dellen, Christian and
Uhlenbruck, Sven and Ribeiro, Caue and Guichard, Xavier H.
and Niederberger, Markus and Makvandi, Ardavan and
Peterlechner, Martin and Wilde, Gerhard and
Fattakhova‐Rohlfing, Dina and Guillon, Olivier},
title = {{A} microwave‐based one‐pot process for homogeneous
surface coating: improved electrochemical performance of
{L}i({N}i1/3{M}n1/3{C}o1/3){O}2 with a nano‐scaled
{Z}n{O}:{A}l layer},
journal = {Nano select},
volume = {2},
number = {1},
issn = {2688-4011},
address = {Weinheim, Germany},
publisher = {Wiley-VCH},
reportid = {FZJ-2020-04818},
pages = {146-157},
year = {2021},
abstract = {In this article, a versatile process based on
microwave-assisted sol-gel synthesis is introduced in order
to apply a surface coating on cathode material for
lithium-ion batteries. Here, a nano-scaled ZnO:Al (AZO)
layer is coated homogeneously onto Li(Ni1/3Mn1/3Co1/3)O2
(NMC111) powder at temperatures below 210 °C within a few
minutes. In contrast to other wet-chemical coating
techniques, the method described here is conducted in a
one-pot reaction and does not require a post-annealing step
at elevated temperatures. Investigations via high resolution
transmission electron microscopy (HR-TEM), scanning
transmission electron microscopy (STEM) and
inductively-coupled plasma optical emission spectroscopy
(ICP-OES) promote a thorough understanding of coating
microstructure and quality in dependence of reaction
temperature, duration and precursor concentration. The AZO
protective coating on NMC111 significantly reduce capacity
fading during cycling in the voltage range of 3.0 – 4.5 V.
Furthermore, applying optimal quantities of the coating
agent on NMC111 lead to enhanced specific capacities
compared to the uncoated material.},
cin = {IEK-1 / JARA-ENERGY},
ddc = {500},
cid = {I:(DE-Juel1)IEK-1-20101013 / $I:(DE-82)080011_20140620$},
pnm = {131 - Electrochemical Storage (POF3-131) / 1221 -
Fundamentals and Materials (POF4-122) / 1122 - Design,
Operation and Digitalization of the Future Energy Grids
(POF4-112)},
pid = {G:(DE-HGF)POF3-131 / G:(DE-HGF)POF4-1221 /
G:(DE-HGF)POF4-1122},
typ = {PUB:(DE-HGF)16},
UT = {WOS:001176483000017},
doi = {10.1002/nano.202000079},
url = {https://juser.fz-juelich.de/record/888292},
}