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@ARTICLE{Brner:1025006,
author = {Börner, Martin F. and Mohsseni, Ahmad M. and De, Nilava
and Faber, Matthias and Krause, Florian and Li, Weihan and
Bihn, Stephan and Ringbeck, Florian and Sauer, Dirk Uwe},
title = {{M}anufacturing cost comparison of tabless vs. standard
electrodes for cylindrical lithium-ion batteries},
journal = {Journal of energy storage},
volume = {77},
issn = {2352-152X},
address = {Amsterdam [u.a.]},
publisher = {Elsevier},
reportid = {FZJ-2024-02600},
pages = {109941 -},
year = {2024},
abstract = {The introduction of the tabless electrode design for
lithium-ion battery cells by Tesla in 2020 and its
successful industrialisation for the 2022 Model Y marked a
significant breakthrough in the realm of cylindrical cell
designs for batteries. This innovative approach allowed for
larger cell designs while maintaining optimal thermal
performance through active cooling on the system level.
While prior research has focused on the advantages of this
tabless design in terms of thermal management, this work
explores a distinct benefit during the electrode
manufacturing process. Traditionally, cylindrical battery
cells utilize an electrode coating method that leaves gaps
on the electrode surface to accommodate tab welding.
Consequently, the coating machine operates in an
intermittent coating mode, leading to a substantial
reduction in achievable coating speed. In contrast, the
tabless electrode design enables the continuous deposition
of the active material by the coating machine. This
advancement results in a remarkable increase in the coating
speed, exceeding 60 $\%,$ which more than compensates for
the additional costs associated with laser cutting the edge
of the tabless electrode. This paper demonstrates how the
adoption of tabless electrodes in the manufacturing process
leads to a considerable cost reduction, from 2.029 to 1.698
€/kWh, while maintaining all other factors constant.
Although this cost reduction may appear modest concerning
the total cell costs, the cumulative savings at the
giga-factory scale become significant, making this
advancement economically viable and impactful.},
cin = {IEK-12},
ddc = {333.7},
cid = {I:(DE-Juel1)IEK-12-20141217},
pnm = {1223 - Batteries in Application (POF4-122) / BMBF 03XP0334
- Model2Life- Modellbasierte Systemauslegung für
2nd-Life-Nutzungsszenarien von mobilen Batteriesystemen
(03XP0334)},
pid = {G:(DE-HGF)POF4-1223 / G:(BMBF)03XP0334},
typ = {PUB:(DE-HGF)16},
UT = {WOS:001140202400001},
doi = {10.1016/j.est.2023.109941},
url = {https://juser.fz-juelich.de/record/1025006},
}