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
ACS Nano,
Journal Year:
2024,
Volume and Issue:
18(3), P. 2395 - 2408
Published: Jan. 9, 2024
The
development
of
high-energy-density
Li–S
batteries
(LSBs)
is
still
hindered
by
the
disturbing
polysulfide
shuttle
effect.
Herein,
with
clever
combination
between
"high
entropy"
and
MXene,
an
HE-MXene
doped
graphene
composite
containing
multiple
element
quasi-atoms
as
bifunctional
mediator
for
separator
modification
(HE-MXene/G@PP)
in
LSBs
proposed.
HE-MXene/G@PP
offers
high
electrical
conductivity
fast
lithium
(LiPS)
redox
conversion
kinetics,
abundant
metal
active
sites
efficient
chemisorption
LiPSs,
strong
lipophilic
characteristics
uniform
Li+
deposition
on
surface.
As
demonstrated
DFT
theoretical
calculations,
situ
Raman,
DRT
results
successively,
efficiently
captures
LiPSs
through
synergistic
modulation
cocktail
effect
accelerates
reaction,
lattice
distortion
effectively
induces
homogeneous
dendritic-free
lithium.
Therefore,
this
work
achieves
excellent
long-term
cycling
performance
a
decay
rate
0.026%/0.031%
per
cycle
after
1200
cycles
at
1
C/2
C.
Li||Li
symmetric
cell
maintains
stable
overpotential
6000
h
under
40
mA
cm–2/40
mAh
cm–2.
Furthermore,
it
delivers
favorable
stability
7.8
mg
cm–2
low
E/S
ratio
5.6
μL
mg–1.
This
strategy
provides
rational
approach
to
resolve
sulfur
cathode
anode
problems
simultaneously.
Small,
Journal Year:
2024,
Volume and Issue:
20(27)
Published: Jan. 28, 2024
Abstract
Recently,
aqueous
zinc‐ion
batteries
with
conversion
mechanisms
have
received
wide
attention
in
energy
storage
systems
on
account
of
excellent
specific
capacity,
high
power
density,
and
density.
Unfortunately,
some
characteristics
cathode
material,
zinc
anode,
electrolyte
still
limit
the
development
possessing
mechanism.
Consequently,
this
paper
provides
a
detailed
summary
for
numerous
zinc‐based
batteries:
zinc‐sulfur
(Zn‐S)
batteries,
zinc‐selenium
(Zn‐Se)
zinc‐tellurium
(Zn‐Te)
zinc‐iodine
(Zn‐I
2
)
zinc‐bromine
(Zn‐Br
batteries.
Meanwhile,
reaction
mechanism
research
progress
investigation
composite
cathode,
anode
materials,
selection
electrolytes
are
systematically
introduced.
Finally,
review
comprehensively
describes
prospects
outlook
mechanism,
aiming
to
promote
rapid
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
36(13)
Published: Dec. 25, 2023
Abstract
Commercialization
of
high
energy
density
Lithium‐Sulfur
(Li‐S)
batteries
is
impeded
by
challenges
such
as
polysulfide
shuttling,
sluggish
reaction
kinetics,
and
limited
Li
+
transport.
Herein,
a
jigsaw‐inspired
catalyst
design
strategy
that
involves
in
situ
assembly
coherent
nano‐heterocrystal
ensembles
(CNEs)
to
stabilize
high‐activity
crystal
facets,
enhance
electron
delocalization,
reduce
associated
barriers
proposed.
On
the
surface,
stabilized
facets
induce
aggregation.
Simultaneously,
surrounded
surface
with
enhanced
activity
promote
2
S
deposition
diffusion,
synergistically
facilitating
continuous
efficient
sulfur
redox.
Experimental
DFT
computations
results
reveal
dual‐component
hetero‐facet
alters
coordination
Nb
atoms,
enabling
redistribution
3D
orbital
electrons
at
center
promoting
d‐p
hybridization
sulfur.
The
CNE,
based
on
level
gradient
lattice
matching,
endows
maximum
transfer
catalysts
establishes
smooth
pathways
for
ion
diffusion.
Encouragingly,
NbN‐NbC‐based
pouch
battery
delivers
Weight
357
Wh
kg
−1
,
thereby
demonstrating
practical
application
value
CNEs.
This
work
unveils
novel
paradigm
designing
high‐performance
catalysts,
which
has
potential
shape
future
research
electrocatalysts
storage
applications.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(49)
Published: Aug. 29, 2024
Abstract
The
intricate
lithium
polysulfides
(LiPSs)
shuttle
and
uncontrollable
dendrite
growth
critically
hinder
the
commercialization
of
lithium−sulfur
(Li−S)
batteries.
rational
orderly
assignment
multi‐electron
induced
flow
is
critical
link
in
sulfer
redox
reaction.
Herein,
yolk‐shell
Fe
3
O
4
/FeP@C
heterostructure
nanoreactors
are
fabricated
to
modulate
electronic
structure,
including
spin‐related
charge
behavior
orbital
orientation
control,
which
can
demonstrate
interaction
between
catalytic
activity
spin‐state
conformation.
spin
splitting
induces
electron
transition
from
low‐spin
high‐spin,
where
non‐degenerate
orbitals
contribute
energy
level
up‐shift,
guiding
migration
FeP
,
activating
more
states
d
orbitals.
Spin
polarization
guides
sulfur
closed‐loop
conversion,
confirmed
by
DFT
simulations
situ
Raman.
Hence,
electrochemical
performances
remarkable
at
ultra‐high
current
density
loading.
Even
an
initial
specific
capacity
928.5
mAh
g
−1
a
Li−S
pouch
cell
reveals
practical
prospect
/FeP@C/PP
separator.
Li//Li
symmetric
cycles
steadily
for
4000
h,
confirming
interlayer
simultaneously
promotes
evolution
kinetics
sieves
ions.
This
work
deciphers
principles
spin‐orbit
coupling,
achieving
topological
modulation
“charge−spin−orbit”
toward
electrocatalysts.
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
36(8)
Published: Oct. 10, 2023
Abstract
Efficient
catalyst
design
is
crucial
for
addressing
the
sluggish
multi‐step
sulfur
redox
reaction
(SRR)
in
lithium‐sulfur
batteries
(LiSBs),
which
are
among
promising
candidates
next‐generation
high‐energy‐density
storage
systems.
However,
limited
understanding
of
underlying
catalytic
kinetic
mechanisms
and
lack
precise
control
over
structures
pose
challenges
designing
highly
efficient
catalysts,
hinder
LiSBs’
practical
application.
Here,
drawing
inspiration
from
theoretical
calculations,
concept
precisely
controlled
pre‐lithiation
SRR
electrocatalysts
proposed.
The
dual
roles
channel
surface
lithium
pre‐lithiated
1T’‐MoS
2
revealed,
referred
to
as
“electronic
modulation
effect”
“drifting
effect”,
respectively,
both
contribute
accelerating
kinetics.
As
a
result,
thus‐designed
1T’‐Li
x
MoS
/CS
cathode
obtained
by
epitaxial
growth
on
cubic
Co
9
S
8
exhibits
impressive
performance
with
high
initial
specific
capacity
1049.8
mAh
g
−1
,
excellent
rate‐capability,
remarkable
long‐term
cycling
stability
decay
rate
only
0.019%
per
cycle
1000
cycles
at
3
C.
This
work
highlights
importance
parameters
synergistic
effects
lithium,
providing
new
valuable
insights
into
optimization
high‐performance
LiSBs.
