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@ARTICLE{Jehnichen:856654,
author = {Jehnichen, Philipp and Wedlich, Klaus and Korte, Carsten},
title = {{D}egradation of {H}igh {V}oltage {C}athodes for {A}dvanced
{L}ithium {I}on {B}atteries - {D}ifferential {C}apacity
{S}tudy on {D}ifferently {B}alanced {C}ells},
journal = {Science and technology of advanced materials},
volume = {20},
number = {1},
issn = {1468-6996},
address = {Abingdon},
publisher = {Taylor $\&$ Francis},
reportid = {FZJ-2018-06019},
pages = {1-9},
year = {2019},
abstract = {The degradation of LiNi0.5Mn1.5O4 (LNMO) cathodes were
investigated using different cell designs (half cells, full
cells cathode-limited, anode-limited and cathode-limited
with pre-charge). Half cells based on Li/LNMO show
long-cycle stability due to the unlimited source of
electrochemically available lithium. Full-cell
configurations with Li4Ti5O12/LNMO are limited in their
cycling performance and durability. Differential capacity
studies during continuous cycling reveal a systematic
intensity change of the NiII/III and NiIII/IV redox peaks as
a function of the amount of electrochemically available
lithium. As a mechanism, it could be clearly stated that the
consumption of electrochemically available lithium
determines the cycle stability. The decomposition of the
active material itself (e.g. loss of Ni and Mn) is not
crucial for the capacity loss. Thus, full cells with a
pre-charged anode have the best cycling performance because
of its high lithium content.},
cin = {IEK-3},
ddc = {690},
cid = {I:(DE-Juel1)IEK-3-20101013},
pnm = {131 - Electrochemical Storage (POF3-131)},
pid = {G:(DE-HGF)POF3-131},
typ = {PUB:(DE-HGF)16},
UT = {WOS:000463826000001},
doi = {10.1080/14686996.2018.1550625},
url = {https://juser.fz-juelich.de/record/856654},
}