Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 30, 2024
Abstract
Lithium–Sulfur
batteries
(LSBs)
are
widely
regarded
as
one
of
the
most
promising
energy
storage
systems
due
to
their
ultra‐high
theoretical
density
and
environmental
friendliness.
However,
practical
applications
LSBs
face
significant
challenges,
including
shuttle
effect
soluble
polysulfides
formation
lithium
dendrites.
Covalent
organic
frameworks
(COFs)
have
emerged
potential
materials
for
inhibiting
polysulfide
buffering
This
review
provides
an
overview
latest
advancements
in
use
COF
its
derivative
sulfur
host
materials,
modified
commercial
separators,
electrolytes
LBSs,
makes
some
brief
conclusions
predictions.
Pure
COFs,
derivatives,
composites
discussed
hosts,
along
with
novel
strategies
intended
enhance
LSB
cycling
stability
reversibility.
Strategies
enhancing
performance
summarized
through
modification
separators
using
ultimate
goal
achieving
high
density.
It
also
discusses
designing
COF‐based
electrolytes,
which
include
structural
design,
ionic
introduction
salt
molecules
or
flexible
oligo(ethylene
oxide)
chains
into
skeletons.
Additionally,
future
prospects
COFs
derivatives
LSBs.
Carbon Neutralization,
Journal Year:
2025,
Volume and Issue:
4(2)
Published: Feb. 19, 2025
ABSTRACT
The
development
of
high‐performance
energy
storage
systems
requires
several
key
attributes,
including
high
and
power
density,
cost‐effectiveness,
safety,
environmental
sustainability.
Among
the
various
potential
technologies,
lithium–sulfur
batteries
stand
out
as
a
promising
contender
for
future
solutions
due
to
their
exceptional
theoretical
specific
density
(2600
Wh
kg⁻¹)
relatively
capacity
(1675
mAh
g⁻¹).
However,
commercialization
faces
significant
challenges,
such
low
sulfur
loading,
rapid
degradation,
poor
cycling
stability.
At
heart
these
issues
lies
limited
understanding
complex
conversion
chemistry
involved
in
batteries.
In
recent
years,
progress
has
been
made
elucidating
reaction
mechanisms,
thanks
use
both
ex
situ
characterization
techniques.
Methods
optical
spectroscopy,
time‐of‐flight
secondary
ion
mass
spectrometry,
synchrotron
X‐ray,
neural
network
analysis
have
demonstrated
great
uncovering
redox
processes
lithium
polysulfides
underlying
significantly
advancing
research
battery
systems.
This
review
focuses
on
major
advancements
research,
particularly
study
electrocatalytic
mechanisms
using
emerging
We
discuss
aspects
accurately
revealing
through
advanced
diagnostic
methods,
well
main
challenges
techniques
face.
Finally,
we
explore
prospects
commercialization.
Batteries,
Journal Year:
2025,
Volume and Issue:
11(3), P. 89 - 89
Published: Feb. 22, 2025
Lithium–sulfur
batteries
(LSBs)
are
considered
candidates
for
next-generation
energy
storage
systems
due
to
their
high
theoretical
density
and
low
cost.
However,
practical
applications
constrained
by
the
shuttle
effect,
lithium
dendrites,
conductivity,
volume
expansion
of
sulfur.
Metal–organic
frameworks
(MOFs)
have
emerged
as
promising
materials
addressing
these
challenges,
owing
exceptional
adsorption
catalysis
capabilities,
coupled
with
a
readily
adjustable
form-factor
design.
This
review
provides
broader
perspective
comprehensively
examining
MOFs
in
LSBs,
covering
roles
cathodes,
separators,
electrolytes
from
multiple
dimensions,
including
reaction
mechanisms,
development
potential
cathode
materials,
positive
impacts
on
LSBs’
performance
achieved
through
preparation
modifications
intermediate,
separator,
electrolyte.
Finally,
we
provide
perspectives
future
directions
this
field.
Li-S
batteries
are
potentially
interesting
alternatives
for
green
energy
applications
due
to
their
high
density
and
low
cost.
Nonetheless,
present
practical
application
falls
short
of
theoretical
predictions,
despite
efforts
address
volumetric
expansion
enhance
electrical
conductance
through
porous
sulfur-hosting
scaffolds.
The
performance
is
mainly
restricted
by
the
poor
electrochemical
reaction
kinetics
lithium
polysulfides
(LiPS),
which
convert
into
sulfide
(Li2S)
elemental
sulfur
(S)
during
charge-discharge
cycles.
Single-atom
catalysts
(SACs)
offer
novel
opportunities
addressing
complex
challenges
effective
in
atomic-resolution
characterization
intermediates
as
well
precise
atomic-level
engineering.
Inspired
single-atom
catalysis
approach,
we
designed
an
innovative
electrocatalyst
including
FeN4
active
sites
anchored
2D
borophene
nanosheets.
significant
electronic
coupling
between
Fe
3d
S
2p
orbitals
promotes
charge
transfer
improves
redox
dynamics
polysulfide
intermediates.
Moreover,
unique
properties
borophene,
its
mass
density,
superior
conductivity,
rapid
Li-ion
transport,
robust
binding
with
polysulfides,
render
it
a
promising
choice
battery
materials.
synergistic
effect
adsorption
improved
kinetics,
enabled
configuration
three-dimensional
architecture
FeN4/borophene
(Fe@BNS),
results
outstanding
batteries.
fabricated
cells
exhibit
exceptional
long-term
cycle
life
(1180
mAh
g−1
at
1
C
1000
cycles)
high-rate
(790.3
C)
loading
6.5
mg
cm−2.
