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@ARTICLE{Evertz:828995,
author = {Evertz, Marco and Horsthemke, Fabian and Kasnatscheew,
Johannes and Börner, Markus and Winter, Martin and Nowak,
Sascha},
title = {{U}nraveling transition metal dissolution of
{L}i$_{1.04}${N}i$_{1/3}${C}o$_{1/3}${M}n$_{1/3}${O}$_{2}$
({NCM} 111) in lithium ion full cells by using the total
reflection {X}-ray fluorescence technique},
journal = {Journal of power sources},
volume = {329},
issn = {0378-7753},
address = {New York, NY [u.a.]},
publisher = {Elsevier},
reportid = {FZJ-2017-02812},
pages = {364 - 371},
year = {2016},
abstract = {In this work we investigated the transition metal
dissolution of the layered cathode material
Li1.04Ni1/3Co1/3Mn1/3O2 in dependence on the cycle number
and cut-off cell voltage during charge by using the total
reflection X-ray fluorescence technique for the elemental
analysis of the specific lithium ion battery degradation
products.We could show that with ongoing cycling transition
metal dissolution from the cathode increased over time.
However, it was less pronounced at 4.3 V compared to
elevated charge cut-off voltages of 4.6 V. After a maximum
of 100 cycles, we detected an overall transition metal loss
of 0.2 wt‰ in relation to the whole cathode active
material for cells cycled to 4.3 V. At an increased charge
cut-off voltage of 4.6 V, 4.5 wt‰ transition metal loss in
relation to the whole cathode active material could be
detected. The corresponding transition metal dissolution
induced capacity loss at the cathode could thus be
attributed to 1.2 mAh g−1. Compared to the overall
capacity loss of 80 mAh g−1 of the complete cell after 100
galvanostatic charge/discharge cycles the value is quite
low. Hence, the overall full cell capacity fade cannot be
assigned exclusively to the transition metal dissolution
induced cathode fading.},
cin = {IEK-12},
ddc = {620},
cid = {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:000384852800042},
doi = {10.1016/j.jpowsour.2016.08.099},
url = {https://juser.fz-juelich.de/record/828995},
}