Gd-MOF-Derived GdS/C for the Modification of Separators in Lithium–Sulfur Batteries
Langmuir,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 6, 2025
Because
of
its
excellent
energy
density
and
specific
capacity,
lithium-sulfur
batteries
(LSBs)
are
considered
one
the
most
promising
storage
devices.
However,
shuttle
effect
slow
transformation
polysulfides
hinder
their
practical
application.
To
address
effect,
we
used
a
Gd-MOF
precursor
for
high-temperature
carbonization
to
obtain
GdS@C
composite
as
modification
layer
LSB
separators.
The
strong
affinity
metal
sulfide
sulfur
enhances
chemical
anchoring
catalyzes
transformation.
By
employing
separator
material,
effectively
suppressed
improved
electrochemical
performance.
Under
load
3
mg
cm-2,
initial
discharge
capacity
with
GdS@C-modified
was
888.9
mAh
g-1
at
0.5
C;
after
500
cycles,
it
remained
435.6
retention
rate
49.0%.
With
an
increased
loading
5
first
cycle
0.1
C
reached
908.4
g-1;
100
still
743.9
impressive
81.9%.
These
results
demonstrate
that
material
significantly
performance
LSBs
showcases
broad
application
potential.
Language: Английский
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Journal Year:
2025,
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Journal Year:
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Language: Английский
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Yifan Fu,
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Junjie Ba
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Journal of Colloid and Interface Science,
Journal Year:
2025,
Volume and Issue:
693, P. 137646 - 137646
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Language: Английский
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Wanli Sha,
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Jun Zhang
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et al.
Journal of Colloid and Interface Science,
Journal Year:
2025,
Volume and Issue:
unknown, P. 137681 - 137681
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Language: Английский