Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 20, 2024
Abstract
Among
optimization
strategies
for
solving
the
poor
ion
transport
ability
and
electrolyte/electrode
interface
compatibility
problems
of
lithium
(Li)‐based
batteries,
halogen
elements,
such
as
fluorine
(F)
iodine
(I),
have
gradually
occupied
an
important
position
because
their
superb
electronegativity,
oxidizability,
ionic
radius,
other
properties.
The
study
commences
by
outlining
shared
mechanism
which
F
I
enhance
solid‐state
metal
batteries'
electrochemical
performance.
In
particular,
can
considerably
improve
capacity
through
chemical
means
intermolecular
interactions
halogenation
reactions.
Furthermore,
utilization
significantly
enhances
stability
via
physical
strategies,
encompassing
doping
techniques,
application
surface
coatings,
fabrication
synthetic
intermediate
layers.
Subsequently,
characteristics
used
in
Li‐based
batteries
are
elaborated
detail,
focusing
on
fact
that
provide
additional
energy
density
anode
material
but
different
mechanisms.
Additionally,
activate
dead
at
negative
electrode,
act
a
new
carrier.
Finally,
rational
concept
synergistic
effect
is
proposed
feasibility
F–I
bihalide
solid
electrolytes
explored.
ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(29), P. 38041 - 38052
Published: July 12, 2024
All-solid-state
lithium-ion
batteries
(ASSLIBs)
using
sulfide
electrolytes
and
high-capacity
alloy-type
anodes
have
attracted
sizable
interest
due
to
their
potential
excellent
safety
high
energy
density.
Encapsulating
insulating
red
phosphorus
(P)
inside
nanopores
of
a
carbon
matrix
can
adequately
activate
its
electrochemical
alloying
reaction
with
lithium.
Therefore,
the
porosity
plays
crucial
role
in
performance
resulting
P/carbon
composites.
Here,
we
use
zeolite-templated
(ZTC)
monodisperse
micropores
mesoporous
(CMK-3)
uniform
mesopores
as
model
hosts
P.
Our
results
reveal
that
enable
more
effective
pore
utilization
for
P
loading,
P@ZTC
material
achieve
record-high
content
(65.0
wt
%)
confined
within
pores.
When
used
an
anode
ASSLIBs,
electrode
delivers
ultrahigh
capacity
1823
mA
h
g–1
initial
Coulombic
efficiency
87.44%.
After
400
deep
discharge–charge
cycles
(running
over
250
days)
at
0.2
A
g–1,
still
holds
reversible
1260
(99.92%
retention
per
cycle).
Moreover,
P@ZTC||LiNi0.8Co0.1Mn0.1O2
full
cell
deliver
areal
3
cm–2
0.1C
after
100
cycles.
Advanced Sustainable Systems,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 23, 2024
Abstract
Inorganic
solid‐state
electrolytes
(ISSEs)
are
recognized
as
promising
candidates
for
safer
and
higher
energy‐density
all‐solid‐state
lithium‐metal/sulfur
batteries
(ASSLM/SBs).
Significant
efforts
have
been
directed
at
designing
ISSEs
with
better
chemical/electrochemical
stability,
superior
lithium‐ion
conductivity,
extensive
working
voltage
windows.
However,
it
has
investigated
that
Li‐dendrites
produced
within
bulk
during
the
charge‐discharge
process
short‐circuit
ASSLM/SBs.
Notably,
non‐negligble
electronic
conductivity
(σ
e
)
≈10
−8
S
cm
−1
can
trigger
nucleation
of
intrinsic
defects,
e.g.,
grain
boundaries,
pores,
cracks
ISSEs,
leading
to
a
significant
self‐discharge
phenomenon
in
Furthermore,
reasons
behind
insufficient
utilization
cathode
active
materials
(CAMs)
ASSLM/SBs
practical
current
densities
or
C‐rate
remained
overlooked.
Herein,
first,
strategies
reduce
σ
sulfide‐based
SSEs
prevent
Li‐dendrite
formation
defects
discussed.
Second,
enhance
sulfur‐based
cathodes'
ionic
(CAMs:
Li
2
8
addressed.
How
balanced
positive
layer
realizes
fast
kinetics
maximizes
CAMs
reversibility
high‐performance
is
also
Finally,
an
conclusion
innovative
perspectives
presented
give
readers
clearer
insight
into
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 20, 2024
Abstract
Among
optimization
strategies
for
solving
the
poor
ion
transport
ability
and
electrolyte/electrode
interface
compatibility
problems
of
lithium
(Li)‐based
batteries,
halogen
elements,
such
as
fluorine
(F)
iodine
(I),
have
gradually
occupied
an
important
position
because
their
superb
electronegativity,
oxidizability,
ionic
radius,
other
properties.
The
study
commences
by
outlining
shared
mechanism
which
F
I
enhance
solid‐state
metal
batteries'
electrochemical
performance.
In
particular,
can
considerably
improve
capacity
through
chemical
means
intermolecular
interactions
halogenation
reactions.
Furthermore,
utilization
significantly
enhances
stability
via
physical
strategies,
encompassing
doping
techniques,
application
surface
coatings,
fabrication
synthetic
intermediate
layers.
Subsequently,
characteristics
used
in
Li‐based
batteries
are
elaborated
detail,
focusing
on
fact
that
provide
additional
energy
density
anode
material
but
different
mechanisms.
Additionally,
activate
dead
at
negative
electrode,
act
a
new
carrier.
Finally,
rational
concept
synergistic
effect
is
proposed
feasibility
F–I
bihalide
solid
electrolytes
explored.
