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@ARTICLE{Kasnatscheew:851130,
author = {Kasnatscheew, Johannes and Placke, Tobias and Streipert,
Benjamin and Rothermel, Sergej and Wagner, Ralf and Meister,
Paul and Cekic-Laskovic, Isidora and Winter, Martin},
title = {{A} {T}utorial into {P}ractical {C}apacity and {M}ass
{B}alancing of {L}ithium {I}on {B}atteries},
journal = {Journal of the Electrochemical Society},
volume = {164},
number = {12},
issn = {1945-7111},
address = {Pennington, NJ},
publisher = {Electrochemical Soc.},
reportid = {FZJ-2018-04832},
pages = {A2479 - A2486},
year = {2017},
abstract = {In a lithium ion battery, balancing of active materials is
an essential requirement with respect to safety and cycle
life. However, capacity oversizing of negative electrodes is
associated with decrease of specific energy/energy density.
In this work, the required trade-off between maximized
specific energy and minimized risk of lithium plating is
thoroughly investigated by evaluating underlying
potential/voltage curves. The adjustment of targeted state
of charge (SOC) for both, positive and the negative
electrode, can be achieved by intentional selection of only
two parameters: negative/positive electrode active mass
ratio and charge cutoff voltage. For investigation and
controlling reasons, specific charge capacity reveals to be
a simple but effective tool to indirectly predict electrode
potentials. While cell kinetics/overvoltage are influenced
by both electrodes, specific capacity losses are affected by
a single electrode. The latter only correlate with negative
electrode`s BET surface area as long as specific capacity
losses of negative electrodes are higher compared to
positive electrodes. Based on these insights, a more
systematic performance and safety optimized handling of the
trade-off between specific energy and safety risk can be
realized.},
cin = {IEK-12},
ddc = {540},
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:000415283600026},
doi = {10.1149/2.0961712jes},
url = {https://juser.fz-juelich.de/record/851130},
}