ChemSusChem,
Journal Year:
2024,
Volume and Issue:
17(14)
Published: March 5, 2024
The
pursuit
of
efficient
host
materials
to
address
the
sluggish
redox
kinetics
sulfur
species
has
been
a
longstanding
challenge
in
advancing
practical
application
lithium-sulfur
batteries.
In
this
study,
amorphous
carbon
layer
loaded
with
ultrafine
CoP
nanoparticles
prepared
by
one-step
situ
carbonization/phosphating
method
enhance
inhibition
2D
black
phosphorus
(BP)
on
LiPSs
shuttle.
coating
facilitates
accelerated
electron/ion
transport,
enabling
active
involvement
BP
conversion
soluble
lithium
polysulfides
(LiPSs).
Concurrently,
ultra-fine
chemical
anchoring
ability
and
introduce
additional
catalytic
sites.
As
result,
S@BP@C-CoP
electrodes
demonstrate
exemplary
cycling
stability
(with
minimal
capacity
decay
0.054
%
over
500
cycles
at
1
C)
superior
rate
performance
(607.1
mAh
g
Nano-Micro Letters,
Journal Year:
2023,
Volume and Issue:
16(1)
Published: Nov. 10, 2023
Lithium-sulfur
(Li-S)
batteries
are
supposed
to
be
one
of
the
most
potential
next-generation
owing
their
high
theoretical
capacity
and
low
cost.
Nevertheless,
shuttle
effect
firm
multi-step
two-electron
reaction
between
sulfur
lithium
in
liquid
electrolyte
makes
much
smaller
than
value.
Many
methods
were
proposed
for
inhibiting
polysulfide,
improving
corresponding
redox
kinetics
enhancing
integral
performance
Li-S
batteries.
Here,
we
will
comprehensively
systematically
summarize
strategies
from
all
components
First,
electrochemical
principles/mechanism
origin
described
detail.
Moreover,
efficient
strategies,
including
boosting
conversion
rate
sulfur,
confining
or
polysulfides
(LPS)
within
cathode
host,
LPS
shield
layer,
preventing
contacting
anode,
discussed
suppress
effect.
Then,
recent
advances
inhibition
cathode,
electrolyte,
separator,
anode
with
aforementioned
have
been
summarized
direct
further
design
materials
Finally,
present
prospects
development
directions
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 Science,
Journal Year:
2023,
Volume and Issue:
10(23)
Published: June 13, 2023
3D
Cu
current
collectors
have
been
demonstrated
to
improve
the
cycling
stability
of
Li
metal
anodes,
however,
role
their
interfacial
structure
for
deposition
pattern
has
not
investigated
thoroughly.
Herein,
a
series
integrated
gradient
Cu-based
are
fabricated
by
electrochemical
growth
CuO
nanowire
arrays
on
foil
(CuO@Cu),
where
structures
can
be
readily
controlled
modulating
dispersities
arrays.
It
is
found
that
constructed
sparse
and
dense
dispersion
both
disadvantageous
nucleation
metal,
consequently
fast
dendrite
growth.
In
contrast,
uniform
appropriate
dispersity
enables
stable
bottom
associated
with
smooth
lateral
deposition,
affording
ideal
bottom-up
pattern.
The
optimized
CuO@Cu-Li
electrodes
exhibit
highly
reversible
including
coulombic
efficiency
up
≈99%
after
150
cycles
long-term
lifespan
over
1200
h.
When
coupling
LiFePO4
cathode,
coin
pouch
full-cells
deliver
outstanding
rate
capability.
This
work
provides
new
insight
design
toward
high-performance
anodes.
Energy & Environmental Science,
Journal Year:
2024,
Volume and Issue:
17(20), P. 7850 - 7859
Published: Jan. 1, 2024
By
constructing
a
hydrogel
film
doped
with
an
ionic
liquid
on
Zn
anode,
water-scarce
inner
Helmholtz
plane
and
ion-enriched
outer
is
developed,
which
effectively
enables
stable
zinc
anode
for
Ah-scale
metal
batteries.
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(35)
Published: June 13, 2024
Abstract
The
inevitable
shuttling
and
slow
redox
kinetics
of
lithium
polysulfides
(LiPSs)
as
well
the
uncontrolled
growth
Li
dendrites
have
strongly
limited
practical
applications
lithium‐sulfur
batteries
(LSBs).
To
address
these
issues,
we
innovatively
constructed
carbon
nanotubes
(CNTs)
encapsulated
Co
nanoparticles
in
situ
grown
on
TiN‐MXene
nanosheets,
denoted
TiN‐MXene‐Co@CNTs,
which
could
serve
simultaneously
both
sulfur/Li
host
to
kill
“three
birds
with
one
stone”
(1)
efficiently
capture
soluble
LiPSs
expedite
their
conversion,
(2)
accelerate
nucleation/decomposition
solid
2
S,
(3)
induce
homogeneous
deposition.
Benefiting
from
synergistic
effects,
TiN‐MXene‐Co@CNTs/S
cathode
a
sulfur
loading
2.5
mg
cm
−2
show
high
reversible
specific
capacity
1129.1
mAh
g
−1
after
100
cycles
at
0.1
C,
ultralong
cycle
life
over
1000
1.0
C.
More
importantly,
it
even
achieves
areal
6.3
50
under
8.9
low
E/S
ratio
5.0
μL
.
Besides,
TiN‐MXene‐Co@CNTs
deliver
stable
plating/striping
behavior
h.
Advanced Science,
Journal Year:
2024,
Volume and Issue:
11(14)
Published: Feb. 7, 2024
Abstract
Achieving
a
high
depth
of
discharge
(DOD)
in
lithium
metal
anodes
(LMAs)
is
crucial
for
developing
areal
energy
density
batteries
suitable
wearable
electronics.
Yet,
the
persistent
growth
dendrites
compromises
battery
performance,
and
significant
consumption
during
pre‐lithiation
obstructs
their
broad
application.
Herein,
A
flexible
3D
Li
13
Sn
5
scaffold
designed
by
allowing
molten
to
infiltrate
carbon
cloth
adorned
with
SnO
2
nanocrystals.
This
design
markedly
curbs
troublesome
dendrite
growth,
thanks
uniform
electric
field
distribution
swift
+
diffusion
dynamics.
Additionally,
minimal
nanocrystals
loading
(2
wt.%),
only
0.6
wt.%
consumed
pre‐lithiation.
Insights
from
situ
optical
microscope
observations
COMSOL
simulations
reveal
that
remains
securely
anchored
within
scaffold,
result
rapid
mass/charge
transfer
distribution.
Consequently,
this
electrode
achieves
remarkable
DOD
87.1%
at
10
mA
cm
−2
40
mAh
.
Notably,
when
coupled
polysulfide
cathode,
constructed
Li/Li
@CC||Li
S
6
/SnO
@CC
pouch
cell
delivers
high‐areal
capacity
5.04
an
impressive
areal‐energy
10.6
mWh
The
findings
pave
way
toward
development
high‐performance
LMAs,
ideal
long‐lasting
Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
33(42)
Published: Aug. 27, 2023
Abstract
Lithium–sulfur
(Li–S)
batteries
have
high
theoretical
energy
density
and
are
regarded
as
next‐generation
batteries.
However,
their
practical
is
much
lower
than
the
value.
In
previous
studies,
increase
of
areal
capacity
cathode
decrease
negative/positive
ratio
can
be
well
achieved,
yet
shows
no
corresponding
increase.
The
main
reason
difficulty
in
decreasing
electrolyte
dosage
because
lean
inevitably
causes
deterioration
reaction
kinetics
sulfur
utilization.
Thus,
electrolyte/active
material
reported
works
usually
higher
10
µL
mg
−1
,
that
Li‐ion
(usually
≈0.3
for
cathode).
Although
many
focused
on
this
topic,
a
systematic
discussion
still
rare.
This
review
systematically
discusses
key
challenges
solutions
assembling
high‐performance
lean‐electrolyte
Li–S
First,
arising
from
conditions
discussed
detail.
Then,
approaches
recent
progress
to
reduce
usage,
including
optimization
electrode
porosity
ion
conduction,
introduction
electrocatalysis,
exploration
new
active
materials,
regulation,
Li
metal
protection
reviewed.
Finally,
future
research
directions
proposed.