Discover Chemical Engineering,
Journal Year:
2024,
Volume and Issue:
4(1)
Published: May 21, 2024
Abstract
Lithium-sulfur
batteries
(LSBs)
have
garnered
significant
attention
as
a
promising
next-generation
rechargeable
battery,
offering
superior
energy
density
and
cost-effectiveness.
However,
the
commercialization
of
LSBs
faces
several
challenges,
including
ionic/electronic
insulating
nature
active
materials,
lithium
polysulfide
(LiPS)
shuttle
effect,
volume
expansion/contraction
cathode,
issues
with
Li
metal
anode.
Despite
numerous
efforts
to
address
these
previous
studies
predominantly
been
conducted
under
mild
conditions
such
high
electrolyte-to-sulfur
(E/S)
ratio,
low
sulfur
loading,
excess
metal,
which
cover
related
for
realizing
high-energy–density
LSBs,
practical
E/S
limited
are
essential.
Under
conditions,
increased
current
on
higher
LiPS
concentration
exacerbate
anode
dendrite
growth,
dead
Li,
reactivity
electrolyte,
LiPSs.
These
problems
lead
rapid
failure
significantly
impacting
electrochemical
performance
LSBs.
Consequently,
protecting
is
crucial
This
paper
introduces
challenges
associated
in
reviews
research
focused
each
battery
component:
anode,
separator/interlayer.
Finally,
we
discuss
future
directions
component
towards
Graphical
Advanced Science,
Journal Year:
2022,
Volume and Issue:
10(5)
Published: Dec. 11, 2022
Abstract
Lithium
sulfur
(LiS)
batteries
possess
high
theoretical
capacity
and
energy
density,
holding
great
promise
for
next
generation
electronics
electrical
vehicles.
However,
the
LiS
development
is
hindered
by
shuttle
effect
sluggish
conversion
kinetics
of
lithium
polysulfides
(LiPSs).
Designing
highly
polar
materials
such
as
metal
oxides
(MOs)
with
moderate
adsorption
effective
catalytic
activity
essential
to
overcome
above
issues.
To
design
efficient
MOs
catalysts,
it
critical
necessary
understand
mechanism
associated
processes
LiPSs.
most
reviews
still
lack
a
comprehensive
investigation
basic
always
ignore
their
in‐depth
relationship.
In
this
review,
systematic
analysis
toward
understanding
underlying
in
chemistry
well
discussion
typical
works
concerning
electrocatalysts
are
provided.
Moreover,
improve
“adsorption‐diffusion‐conversion”
process
caused
low
conductive
nature
MOs,
oxygen
vacancies
heterostructure
engineering
elucidated
two
strategies.
The
challenges
prospects
also
provided
last
section.
authors
hope
review
will
provide
instructive
guidance
catalyst
explore
practical
possibilities
commercialization
batteries.
Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
34(1)
Published: Sept. 24, 2023
Abstract
Lithium‐sulfur
batteries
(LSBs)
are
regarded
as
a
highly
promising
next‐generation
energy
storage
technology
due
to
their
exceptional
theoretical
capacity
and
density.
However,
the
practical
application
of
these
is
hindered
by
several
challenges,
including
significant
volume
change
active
materials,
severe
shuttle
effect
lithium
polysulfides,
inadequate
electronic
ionic
conductivity,
safety
concerns.
These
issues
particularly
pronounced
in
cathodes
with
high
sulfur
loading,
which
essential
for
effective
implementation
LSBs.
Binders
an
constituent
cathodes,
they
perform
crucial
function
enhancing
efficacy
LSBs,
when
subjected
loading.
A
considerable
amount
research
has
been
conducted
investigate
potential
multifunctional
binders
tackle
aforementioned
challenges
associated
This
article
provides
comprehensive
overview
various
roles
that
advanced
play
but
not
limited
preserving
electrode
integrity,
capturing
regulating
Li
2
S
deposition,
accelerating
reaction
kinetics,
promoting
cathode
safety,
safeguarding
environment.
Additionally,
paper
outlines
prospects
future
endeavors
aimed
at
creating
innovative
improving
overall
performance
Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
34(18)
Published: Dec. 29, 2023
Abstract
The
low
energy
density,
safety
concerns,
and
high
cost
associated
with
conventional
lithium‐ion
batteries
pose
challenges
in
meeting
the
growing
demands
of
emerging
applications.
While
lithiumsulfur
(LSBs)
offer
specific
capacity,
their
commercial
viability
is
hindered
by
prevalent
issue
shuttle
effects.
Furthermore,
potential
solid‐state
lithium
constrained
suboptimal
ionic
conductivity
significant
interphase
problems.
High‐entropy
materials
(HEMs)
have
emerged
as
a
strategic
approach
for
development
innovative
possessing
exceptional
properties.
In
recent
times,
some
studies
been
undertaken
to
explore
HEMs
lithium‐based
rechargeable
batteries,
showcasing
favorable
characteristics.
This
work
provides
comprehensive
overview
impact
various
factors
HEM
materials,
encompassing
elements,
structure,
morphology,
on
reversibility
reactions
cycling
stability.
also
presents
an
analysis
effects
elements
morphology
properties
LSBs,
which
can
trap
soluble
polysulfides
enhance
reaction
kinetics.
Additionally,
high‐entropy
electrolytes,
including
both
non‐aqueous
liquid
electrolytes.
research
outlines
future
directions
aimed
at
investigating
more
efficient
enhancing
overall
performance
batteries.
Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
33(46)
Published: Aug. 29, 2023
Abstract
The
simultaneous
engineering
of
sulfur
cathode
and
Li
anode
is
critical
for
electrolyte‐starved
high
energy
density
Li–S
batteries,
in
which
slow
electrochemical
conversions
side
chemical
reactions
dead
are
found
to
be
the
determining
factors
limiting
utilization,
corresponding
poor
reversible
capacity
batteries.
Herein,
this
work
challenges
conventional
wisdom
heterogeneous
homogeneous
catalyses
batteries
proposes
concept
integrated–heterogeneous
catalysis
simultaneously
scavenge
lithium
compensate
active
materials
loss
simply
through
adding
a
small
amount
ZnI
2
into
electrolyte
cells.
Regulated
by
catalysis,
over
1300
h
cycling
realized
Li||Li
symmetric
cells,
revealing
superb
compatibility
‐incorporated
with
metal.
Meanwhile,
shows
good
prospects
promoting
reutilization
both
theoretical
calculation
experimental
tests.
Practically,
initial
1170
mAh
g
−1
decent
stability
achieved
high‐loading
pouch
cells
(5.0
µL
mg
5.2
cm
−2
).
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(31)
Published: May 18, 2024
Lithium-sulfur
(Li-S)
batteries
have
many
advantages
but
still
face
problems
such
as
retarded
polysulfides
redox
kinetics
and
Li
dendrite
growth.
Most
reported
single
atom
catalysts
(SACs)
for
Li-S
are
based
on
d-band
transition
metals
whose
d
orbital
constitutes
active
valence
band,
which
is
inclined
to
occur
catalyst
passivation.
SACs
4f
inner
of
rare
earth
challenging
their
great
difficulty
be
activated.
In
this
work,
we
design
synthesize
the
first
metal
Sm
has
electron-rich
promote
catalytic
conversion
uniform
deposition
Li.
enhance
catalysis
by
activated
through
an
f-d-p
hybridization.
Using
Sm-N
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
36(14)
Published: Dec. 23, 2023
Undercoordination
chemistry
is
an
effective
strategy
to
modulate
the
geometry-governed
electronic
structure
and
thereby
regulate
activity
of
sulfur
electrocatalysts.
Efficient
electrocatalysis
requisite
overcome
sluggish
kinetics
in
lithium-sulfur
(Li-S)
batteries
aroused
by
multi-electron
transfer
multi-phase
conversions.
Recent
advances
unveil
great
promise
undercoordination
facilitating
stabilizing
electrochemistry,
yet
a
related
review
with
systematicness
perspectives
still
missing.
Herein,
it
carefully
combed
through
recent
progress
electrocatalysis.
The
typical
material
structures
operational
strategies
are
elaborated,
while
underlying
working
mechanism
also
detailly
introduced
generalized
into
polysulfide
adsorption
behaviors,
conversion
kinetics,
electron/ion
transport,
dynamic
reconstruction.
Moreover,
on
future
development
further
proposed.
Nano-Micro Letters,
Journal Year:
2024,
Volume and Issue:
16(1)
Published: June 28, 2024
Poor
cycling
stability
in
lithium-sulfur
(Li-S)
batteries
necessitates
advanced
electrode/electrolyte
design
and
innovative
interlayer
architectures.
Heterogeneous
catalysis
has
emerged
as
a
promising
approach,
leveraging
the
adsorption
catalytic
performance
on
lithium
polysulfides
(LiPSs)
to
inhibit
LiPSs
shuttling
improve
redox
kinetics.
In
this
study,
we
report
an
ultrathin
laminar
SnO
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 3, 2024
Abstract
Both
the
sluggish
sulfur
redox
reaction
(SRR)
kinetics
and
lithium
polysulfides
(LiPSs)
shuttle
effect
limit
practical
application
of
Li‐S
batteries.
Designing
heterostructure
hosts
has
emerged
as
an
effective
way
to
address
these
two
issues
with
one
material.
However,
principles
heterostructures
reinforced
batteries
remain
inadequately
understood.
Here,
it
is
demonstrated
for
first
time
that
increasing
entropy
can
promote
its
SRR
catalytic
activity
alleviate
LiPSs
shuttling.
By
a
simple
solution‐based
strategy,
highly
chaotic
MXene‐based
(HCMH,
TiS
2
/TiN/TiO
/Ti
3
C
T
x
)
fabricated.
The
smart
integration
“high
entropy”,
heterostructure,
MXene
endow
HCMH
catalyst
significantly
improved
performance,
by
much
smaller
Tafel
slope
62.9
mV
dec
−1
higher
electron
transfer
number
7.10,
compared
moderately
(MCMH,
TiO
/TiN/Ti
MXene.
DFT
theoretical
calculations
reveal
introducing
new
phases
lowers
Gibbs
energy
barriers
both
rate‐limiting
Li
S
/Li
reduction
decomposition.
Upon
addition
only
5
wt.%
cathode,
reversible
capacity
rate
capability
cells
are
greatly
improved,
which
further
highlights
importance
high
“cocktail
effect”
in
design
electrocatalysts
future.