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@ARTICLE{Heck:1024890,
author = {Heck, Carina A. and Huttner, Fabienne and Mayer, Julian K.
and Fromm, Olga and Börner, Markus and Heckmann, Thilo and
Scharfer, Philip and Schabel, Wilhelm and Winter, Martin and
Kwade, Arno},
title = {{P}roduction of {N}ickel‐{R}ich {C}athodes for
{L}ithium‐{I}on {B}atteries from {L}ab to {P}ilot {S}cale
under {I}nvestigation of the {P}rocess {A}tmosphere},
journal = {Energy technology},
volume = {11},
number = {5},
issn = {2194-4288},
address = {Weinheim [u.a.]},
publisher = {Wiley-VCH},
reportid = {FZJ-2024-02541},
pages = {2200945},
year = {2023},
note = {Unterstützt durch BMBF-Grants: eKoZell—03XP0247A und
03XP0247B, Epic—03XP0295B und MultiEx—03XP0239B},
abstract = {The selection of an appropriate cathode active material is
important for operation performance and production of
high-performance lithium-ion batteries. Promising candidates
are nickel-rich layered oxides like LiNixCoyMnzO2 (NCM,
x+y+z=1) with nickel contents of ‘x’ 0.8,
characterized by high electrode potential and specific
capacity. However, these materials are associated with
capacity fading due to their high sensitivity to moisture.
Herein, two different polycrystalline NCM materials with
nickel contents of 0.81 ‘x’ 0.83 and
protective surface coatings are processed in dry-room
atmosphere (dew point of supply air TD ≈ −65 °C)
at lab scale including the slurry preparation and coating
procedure. In comparison, cathodes are produced in ambient
atmosphere and both variants are tested in coin cells.
Moreover, processing at pilot scale in ambient atmosphere is
realized successfully by continuous coating and drying of
the cathodes. Relevant electrode properties such as adhesion
strength, specific electrical resistance, and pore-size
distribution for the individual process steps are
determined, as well as the moisture uptake during
calendering. Furthermore, rate capability and cycling
stability are investigated in pouch cells, wherein initial
specific discharge capacities of up to 190 mAh g−1
(with regard to the cathode material mass) are achieved at
0.2C.},
cin = {IEK-12},
ddc = {620},
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},
UT = {WOS:000939214400001},
doi = {10.1002/ente.202200945},
url = {https://juser.fz-juelich.de/record/1024890},
}