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@ARTICLE{Adhitama:1024888,
author = {Adhitama, Egy and Bela, Marlena M. and Demelash, Feleke and
Stan, Marian C. and Winter, Martin and Gomez-Martin, Aurora
and Placke, Tobias},
title = {{O}n the {P}ractical {A}pplicability of the {L}i
{M}etal‐{B}ased {T}hermal {E}vaporation {P}relithiation
{T}echnique on {S}i {A}nodes for {L}ithium {I}on
{B}atteries},
journal = {Advanced energy materials},
volume = {13},
number = {3},
issn = {1614-6832},
address = {Weinheim},
publisher = {Wiley-VCH},
reportid = {FZJ-2024-02539},
pages = {2203256},
year = {2023},
note = {Zudem unterstützt durch BMBF Grant ProLiFest (03XP0253A)},
abstract = {Lithium ion batteries (LIBs) using silicon as anode
material are endowed with much higher energy density than
state-of-the-art graphite-based LIBs. However, challenges of
volume expansion and related dynamic surfaces lead to
continuous (re-)formation of the solid electrolyte
interphase, active lithium losses, and rapid capacity
fading. Cell failure can be further accelerated when Si is
paired with high-capacity, but also rather reactive Ni-rich
cathodes, such as LiNi0.8Co0.1Mn0.1O2 (NCM-811). Here, the
practical applicability of thermal evaporation of Li metal
is evaluated as a prelithiation technique on
micrometer-sized Si (µ-Si) electrodes in addressing such
challenges. NCM-811 || “prelithiated µ-Si” full-cells
$(25\%$ degree of prelithiation) can attain a higher initial
discharge capacity of ≈192 mAh gNCM-811−1 than the cells
without prelithiation with only ≈160 mAh gNCM-811−1.
This study deeply discusses significant consequences of
electrode capacity balancing (N:P ratio) with regard to
prelithiation on the performance of full-cells. The
trade-off between cell lifetime and energy density is also
highlighted. It is essential to point out that the phenomena
discussed here can further guide the direction of research
in using the thermal evaporation of Li metal as a
prelithiation technique toward its practical application on
Si-based LIBs.},
cin = {IEK-12},
ddc = {050},
cid = {I:(DE-Juel1)IEK-12-20141217},
pnm = {1221 - Fundamentals and Materials (POF4-122) / BACCARA -
Battery and superCapacitor ChARActerization and testing
(608491)},
pid = {G:(DE-HGF)POF4-1221 / G:(EU-Grant)608491},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000891051000001},
doi = {10.1002/aenm.202203256},
url = {https://juser.fz-juelich.de/record/1024888},
}