Advancements in Active Filler-Contained Polymer Solid-state Electrolytes for Lithium-Metal Batteries: A Concise Review
Supramolecular Materials,
Год журнала:
2025,
Номер
4, С. 100097 - 100097
Опубликована: Янв. 19, 2025
Язык: Английский
Integrating Competitive Li+ Coordination with Immobilized Anions in Composite Solid Electrolyte for High‐Performance Li Metal Batteries
Advanced Science,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 18, 2025
Abstract
Poly(vinylidene
fluoride)
(PVDF)‐based
polymer
electrolytes
have
attracted
widespread
attention
due
to
their
unique
Li
+
transport
mechanism.
However,
low
ionic
conductivity
and
porous
structure,
as
well
residual
solvent
limit
application
at
high
current
densities.
Here,
a
composite
solid
electrolyte
(CSE)
is
developed
by
integrating
poly(vinylidene‐co‐trifluoroethylene)
[P(VDF‐TrFE)]
in
its
all‐trans
conformation
with
aminofunctionalized
metal–organic
framework
(ZIF‐90‐NH
2
).
In
such
CSE,
all
F
atoms
located
on
one
side
of
the
chain,
providing
fast
channels.
Concurrently,
functionalized
ZIF‐90‐NH
can
effectively
anchor
N,
N‐dimethylformamide
(DMF)
CSEs
while
weakening
‐DMF
coordination,
inducing
rearrangement
solvation
structure
inhibiting
decomposition
DMF
interface.
Synergistically,
immobilize
anions
salts,
promoting
dissociation.
Based
competitive
coordination
immobilized
anions,
obtained
exhibit
transference
number
(0.77).
The
full
cells
LiFePO
4
cathode
run
stably
over
400
cycles
5
C,
||
LiNi
0.7
Co
0.1
Mn
0.2
O
deliver
capacity
retention
(>85%)
after
200
charge
cutoff
voltage
4.5
V.
This
work
opens
up
new
path
for
building
interfacial
stability
transport.
Язык: Английский
Regulating Interfacial Wettability for Fast Mass Transfer in Rechargeable Metal-Based Batteries
ACS Nano,
Год журнала:
2025,
Номер
unknown
Опубликована: Фев. 26, 2025
The
interfacial
wettability
between
electrodes
and
electrolytes
could
ensure
sufficient
physical
contact
fast
mass
transfer
at
the
gas-solid-liquid,
solid-liquid,
solid-solid
interfaces,
which
improve
reaction
kinetics
cycle
stability
of
rechargeable
metal-based
batteries
(RMBs).
Herein,
engineering
multiphase
interfaces
is
summarized
from
electrolyte
electrode
aspects
to
promote
interface
rate
durability
RMBs,
illustrates
revolution
that
taking
place
in
this
field
thus
provides
inspiration
for
future
developments
RMBs.
Specifically,
review
presents
principle
macro-
microscale
summarizes
emerging
applications
concerning
effect
on
Moreover,
deep
insight
into
development
provided
outlook.
Therefore,
not
only
insights
but
also
offers
strategic
guidance
modification
optimization
toward
stable
electrode-electrolyte
Язык: Английский
Reliable Sulfur Cathode Design for All‐Solid‐State Lithium Metal Batteries Based on Sulfide Electrolytes
Advanced Energy Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 6, 2025
Abstract
Sulfide
electrolytes
are
considered
the
most
promising
technique
for
all‐solid‐state
lithium–sulfur
batteries
(ASLSBs)
due
to
relatively
high
ionic
conductivity
and
superior
chemical
compatibility
with
composite
sulfur
cathodes.
However,
cathodes
based
on
sulfide
feature
large
volume
expansion,
unstable
interfacial
contact,
inherent
insulating
nature,
which
impedes
practical
application
of
ASLSBs.
Therefore,
a
systematic
design
cathode
side
ASLSBs
is
crucial
ensuring
well‐contacted,
electrochemically
stable
cathode–electrolyte
interface,
an
effective
ion‐electron
transfer
network.
Here,
comprehensive
discussion
latest
strategies
will
be
delivered,
highlighting
their
effectiveness
in
improving
performances
First,
major
challenges
including
slow
oxidation
kinetics
significant
expansion
dissected.
Then,
focus
shifted
degradation
processes
at
interface
between
electrolyte.
Subsequently,
improvement
stability
by
structural
modulation
elaborated.
Finally,
progress,
we
present
new
perspective
constructing
efficient
transport
network
cathode‐electrolyte
offers
insights
directions
achieving
future.
Язык: Английский
Solid-State Plastic Crystal-Embedded Brush Polymer Electrolyte for High-Performance and Super Long-Lasting Lithium Metal Batteries at Room Temperature
ACS Applied Energy Materials,
Год журнала:
2024,
Номер
8(1), С. 306 - 318
Опубликована: Дек. 17, 2024
Lithium
metal
batteries
(LMBs)
have
long
been
regarded
as
promising
advanced
battery
technology.
However,
due
to
safety
concerns,
there
is
an
urgent
need
for
the
development
of
solid-state
electrolytes.
Solid-state
polymer
electrolytes
(SPEs)
offer
advantages
such
being
lightweight,
having
high
elasticity,
and
low
cost,
but
they
are
hampered
by
issues
like
conductivity
narrow
potential
window.
In
this
study,
we
present
a
series
plastic
crystal-embedded
brush
(SPCBPEs)
comprising
succinonitrile
(SN)
poly(methoxy
oligo(ethylene
glycol)
acrylate)
(PMOEGA)
network.
These
materials
synthesized
via
in
situ
polymerization
from
monomers
with
varying
numbers
ethylene
oxide
(EO)
segments
side
chains.
By
carefully
adjusting
network
structure
SN
doping
ratio,
optimized
SPCBPE-2
exhibits
ionic
(∼7.19
×
10–4
S
cm–1),
extremely
broad
electrochemical
window
(∼5.8
V),
excellent
Li+
ions
transference
number
(tLi+
=
0.72).
A
Li||SPCBPE-2||Li
symmetric
cell
demonstrates
exceptional
long-term
plating/stripping
performance
at
room
temperature
(26
°C),
withstanding
7200
h
0.2
mA
cm–2.
Furthermore,
Li||SPCBPE-2||LFP
LMBs
show
impressive
cycling
stability,
maintaining
1000
cycles
1C
rate
80.95%
capacity
retention.
Our
SPBCPEs
straightforward
yet
powerful
design
SPEs
significant
field
LMBs.
Язык: Английский