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@ARTICLE{Hlderle:601997,
author = {Hölderle, Tobias and Monchak, Mykhailo and Baran,
Volodymyr and Kriele, Armin and Mühlbauer, Martin J. and
Dyadkin, Vadim and Rabenbauer, Alfred and Schökel,
Alexander and Ehrenberg, Helmut and Müller-Buschbaum, Peter
and Senyshyn, Anatoliy},
title = {{T}hermal {S}tructural {B}ehavior of
{E}lectrochemically{L}ithiated {G}raphite ({L}i$_x${C}$_6$)
{A}nodes in {L}i‐ion {B}atteries},
journal = {Batteries $\&$ supercaps},
volume = {7},
number = {3},
issn = {2566-6223},
address = {Weinheim},
publisher = {Wiley-VCH},
reportid = {PUBDB-2024-00457},
pages = {e202300499},
year = {2024},
abstract = {A full series of variously lithiated graphite anodes
material Li$_x$C$_6$ (0 < x < 1) corresponding to a
different state-of-charge (SOC) between 0 \% and 100 \%
was collected from 18650-type cylinder Li-ion batteries, and
the thermal structural behavior of these electrodes was
mapped using ex situ high-resolution X-ray and neutron
diffraction. Their structural behavior was analyzed over a
broad temperature range. At high temperatures, a
non-reversible decomposition of the lithiated graphite
anodes takes place, accompanied by a loss of intercalated
lithium ions, forming novel phases such as LiF and Li$_2$O
strongly coupled to the degradation of the solid electrolyte
interface (SEI). Complementary calorimetric measurements
showed the strongly exothermic chemical reactions during the
decomposition matching well to the collected diffraction
data. Post mortem analysis applying scanning electron
microscopy revealed various morphological features
supplementing the treatment of battery anodes and
highlighted the importance of the SEI layer during the
cycling of the cell and its thermal degradation.},
cin = {DOOR ; HAS-User / FS-PETRA-D},
ddc = {540},
cid = {I:(DE-H253)HAS-User-20120731 /
I:(DE-H253)FS-PETRA-D-20210408},
pnm = {632 - Materials – Quantum, Complex and Functional
Materials (POF4-632) / 6G3 - PETRA III (DESY) (POF4-6G3)},
pid = {G:(DE-HGF)POF4-632 / G:(DE-HGF)POF4-6G3},
experiment = {EXP:(DE-H253)P-P02.1-20150101},
typ = {PUB:(DE-HGF)16},
UT = {WOS:001158269600001},
doi = {10.1002/batt.202300499},
url = {https://bib-pubdb1.desy.de/record/601997},
}