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@ARTICLE{Krger:1025929,
author = {Kröger, Till-Niklas and Wölke, Mathis Jan and Harte,
Patrick and Beuse, Thomas and Winter, Martin and Nowak,
Sascha and Wiemers-Meyer, Simon},
title = {{S}tate‐of‐{C}harge {D}istribution of
{S}ingle‐{C}rystalline {NMC}532 {C}athodes in
{L}ithium‐{I}on {B}atteries: {A} {C}ritical {L}ook at the
{M}esoscale},
journal = {ChemSusChem},
volume = {15},
number = {21},
issn = {1864-5631},
address = {Weinheim},
publisher = {Wiley-VCH},
reportid = {FZJ-2024-03207},
pages = {e202201169},
year = {2022},
note = {Unterstützt durch BMBF Projekt 03XP0237C.},
abstract = {The electrochemical response of layered lithium transition
metal oxides LiMO2 [M=Ni, Mn, Co; e. g.,
Li(Ni0.5Mn0.3Co0.2)O2 (NMC532)] with single-crystalline
architecture to slow and fast charging protocols and the
implication of incomplete and heterogeneous redox reactions
on the active material utilization during cycling were the
subject of this work. The role of the active material size
and the influence of the local microstructural and chemical
ramifications in the composite electrode on the evolution of
heterogeneous state of charge (SOC) distribution were
deciphered. For this, classification-single-particle
inductively coupled plasma optical emission spectroscopy
(CL-SP-ICP-OES) was comprehensively supplemented by various
post mortem analytical techniques. The presented results
question the impact of surface-dependent failure mechanisms
of single crystals for the evolution of SOC heterogeneity
and identify the deficient structural flexibility of the
composite electrode framework as the main driver for the
observed non-uniform active material utilization.},
cin = {IEK-12},
ddc = {540},
cid = {I:(DE-Juel1)IEK-12-20141217},
pnm = {1221 - Fundamentals and Materials (POF4-122)},
pid = {G:(DE-HGF)POF4-1221},
typ = {PUB:(DE-HGF)16},
pubmed = {36063139},
UT = {WOS:000862397700001},
doi = {10.1002/cssc.202201169},
url = {https://juser.fz-juelich.de/record/1025929},
}