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@ARTICLE{Whang:1030111,
author = {Whang, Grace and Ketter, Lukas and Zhao, Tong and
Nazmutdinova, Elina and Kraft, Marvin A. and Zeier, Wolfgang
G.},
title = {{H}igh {A}real {C}apacity {C}ation and {A}nionic {R}edox
{S}olid-{S}tate {B}atteries {E}nabled by {T}ransition
{M}etal {S}ulfide {C}onversion},
journal = {ACS applied materials $\&$ interfaces},
volume = {16},
number = {32},
issn = {1944-8244},
address = {Washington, DC},
publisher = {Soc.},
reportid = {FZJ-2024-05224},
pages = {42189 - 42197},
year = {2024},
note = {Funding by: BMBF project "MaSSiF" (03XP0519C)},
abstract = {Pure sulfur ($S_8$ and $Li_2S$) all solid-state batteries
inherently suffer from low electronic conductivities,
requiring the use of carbon additives, resulting in
decreased active material loading at the expense of
increased loading of the passive components. In this work, a
transition metal sulfide in combination with lithium
disulfide is employed as a dual cation–anion redox
conversion composite cathode system. The transition metal
sulfide undergoes cation redox, enhancing the electronic
conductivity, whereas the lithium disulfide undergoes anion
redox, enabling high-voltage redox conducive to achieving
high energy densities. Carbon-free cathode composites with
active material loadings above 6.0 mg cm–2 attaining areal
capacities of ∼4 mAh cm–2 are demonstrated with the
possibility to further increase the active mass loading
above 10 mg cm–2 achieving cathode areal capacities above
6 mAh cm–2, albeit with less cycle stability. In addition,
the effective partial transport and thermal properties of
the composites are investigated to better understand
$FeS:Li_2S$ cathode properties at the composite level. The
work introduced here provides an alternative route and
blueprint toward designing new dual conversion cathode
systems, which can operate without carbon additives enabling
higher active material loadings and areal capacities.},
cin = {IMD-4},
ddc = {600},
cid = {I:(DE-Juel1)IMD-4-20141217},
pnm = {1223 - Batteries in Application (POF4-122) / DFG project
G:(GEPRIS)459785385 - Röntgenpulverdiffraktometer
(459785385)},
pid = {G:(DE-HGF)POF4-1223 / G:(GEPRIS)459785385},
typ = {PUB:(DE-HGF)16},
pubmed = {39093830},
UT = {WOS:001284141700001},
doi = {10.1021/acsami.4c07252},
url = {https://juser.fz-juelich.de/record/1030111},
}