Science China Materials,
Journal Year:
2024,
Volume and Issue:
67(5), P. 1412 - 1421
Published: March 20, 2024
Polyethylene
oxide)
(PEO)
polymer
electrolytes
have
the
potential
for
use
in
all-solid-state
lithium-metal
batteries
(ASSLMBs).
However,
no
effective
rules
been
proposed
to
prepare
PEO
that
overcome
limitation
being
unusable
at
room
temperature.
In
this
study,
based
on
C–H
functionalization
strategy,
we
design
a
highly
ion-conductive
electrolyte
by
directly
covalently
linking
succinonitrile
functional-groups
with
lithium
coordination
activity
chains.
The
enhance
disorder
and
mobility
of
chains
while
acting
as
sites
fast
ionic-conduction
interchain,
thus
achieving
dual
optimization
free
volume
around
ions
migration
behavior.
Due
precise
tuning
functional-groups,
functionalized
exhibits
enhanced
ionic
conductivity
(>102
times),
high
transference
number
(~0.51)
wide
electrochemical
window
(~0.47
V).
particular,
PEO300k
(1.01×10−4
S
cm−1
25°C)
enables
stable
operation
temperature,
providing
path
development
polymer-based
practical
applications.
InfoMat,
Journal Year:
2023,
Volume and Issue:
5(3)
Published: Jan. 16, 2023
Abstract
With
the
rapid
development
of
energy
storage
technology,
solid‐state
lithium
batteries
with
high
density,
power
and
safety
are
considered
as
ideal
choice
for
next
generation
devices.
Solid
electrolytes
have
attracted
considerable
attention
key
components
batteries.
Compared
inorganic
solid
electrolytes,
polymer
better
flexibility,
machinability,
more
importantly,
contact
electrode,
low
interfacial
impedance.
However,
its
ionic
conductivity,
narrow
electrochemical
stability
window
(ESW),
poor
mechanical
properties
at
room
temperature
limit
practical
applications.
In
recent
years,
many
studies
focused
on
improving
conductivity
electrolytes;
however,
few
systematic
reviews
been
conducted
their
ESWs.
A
electrolyte
wide
will
aid
battery
operation
a
voltage,
which
can
effectively
improve
density.
Moreover,
toward
metal
anode
is
also
important.
Therefore,
this
review
summarizes
progress
ESW,
discusses
factors
affecting
ESW
analyzes
strategy
to
broaden
from
perspective
molecular
interaction,
structural
design,
tuning.
The
trends
windows
presented.
image
Journal of the American Chemical Society,
Journal Year:
2023,
Volume and Issue:
145(3), P. 1548 - 1556
Published: Jan. 13, 2023
Poly(ethylene
oxide)
has
been
widely
investigated
as
a
potential
separator
for
solid-state
lithium
metal
batteries.
However,
its
applications
were
significantly
restricted
by
low
ionic
conductivity
and
narrow
electrochemical
stability
window
(<4.0
V
vs
Li/Li+)
at
room
temperature.
Herein,
novel
molecular
self-assembled
ether-based
polyrotaxane
electrolyte
was
designed
using
different
functional
units
prepared
threading
cyclic
18-crown
ether-6
(18C6)
to
linear
poly(ethylene
glycol)
(PEG)
via
intermolecular
hydrogen
bond
terminating
with
hexamethylene
diisocyanate
trimer
(HDIt),
which
strongly
confirmed
local
structure-sensitive
solid/liquid-state
nuclear
magnetic
resonance
(NMR)
techniques.
The
shown
an
obviously
increased
room-temperature
of
3.48
×
10-4
S
cm-1
compared
1.12
10-5
without
assembling
units,
contributing
the
enhanced
cycling
batteries
both
LiFePO4
LiNi0.8Co0.15Al0.05O2
cathode
materials.
This
advanced
strategy
provides
new
paradigm
in
designing
solid
polymer
electrolytes
demanded
performance
Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
33(43)
Published: Aug. 30, 2023
Abstract
Single‐ion
conductive
polymer
electrolytes
(SICPEs)
with
a
cationic
transference
number
(
t
Li
+
)
close
to
unity
exhibit
specific
advantages
in
solid‐state
batteries
(SSBs),
including
mitigating
the
ion
concentration
gradient
and
derived
problems,
suppressing
growth
of
lithium
dendrites,
improving
utilization
cathode
materials
rate
performance
SSBs.
However,
application
SICPEs
remains
major
challenges,
i.e.,
ionic
conductivity
is
inferior
at
room
temperature.
Therefore,
recent
accomplishments
ambient
be
compatible
high
are
discussed
this
review.
In
particular,
some
strategies
delocalizing
charges
polyanions,
designing
highly
matrix,
utilizing
synergistic
effects
focused
shed
light
on
further
development
solid
for
Finally,
multifunctional
species
view
mechanical
contact
and/or
charge
transfer
problems
solid–solid
interface
Advanced Energy Materials,
Journal Year:
2023,
Volume and Issue:
13(35)
Published: July 30, 2023
Abstract
All‐solid‐state
lithium
batteries
(ASSLBs)
have
become
a
recent
research
hotspot
because
of
their
excellent
safety
performance.
In
order
to
better
reflect
superiority,
high‐voltage
cathodes
should
be
applied
enhance
the
energy
density
solid
compete
with
commercial
liquid
batteries.
However,
introduction
suffers
from
many
problems,
such
as
low
electrochemical
stability,
inferior
interface
chemical
stability
between
cathode
and
electrolyte,
poor
mechanical
contact,
gas
evolution.
These
drawbacks
significantly
influence
battery
performance,
even
causing
failure
hindering
commercialization
solid‐state
This
paper
first
reviews
above
mechanisms
cathode‐based
ASSLBs
different
perspectives.
Then,
advances
in
electrolytes
for
are
summarized,
mainly
including
polymer
electrolytes,
sulfide
oxide
electrolytes.
addition,
materials
is
also
highly
critical,
strategies
improve
performance
put
forward,
which
can
divided
into
coating
protection,
synthesis
modification,
structure
improvement.
Finally,
guidelines
future
development
discussed.
Materials Chemistry Frontiers,
Journal Year:
2023,
Volume and Issue:
7(7), P. 1268 - 1297
Published: Jan. 1, 2023
Solid-state
electrolytes
attract
great
attention
due
to
their
advantages
in
safety,
electrochemical
stability
and
battery
packaging.
High-voltage
cathode
materials
the
Li
metal
anode
further
increase
energy
density
cycling
properties.
eScience,
Journal Year:
2024,
Volume and Issue:
unknown, P. 100281 - 100281
Published: May 1, 2024
The
growth
of
dendrites
in
Li/Na
metal
batteries
is
a
multifaceted
process
that
controlled
by
several
factors
such
as
electric
field,
ion
transportation,
temperature,
and
pressure.
Rational
design
battery
components
has
become
viable
approach
to
address
this
challenge.
Among
the
various
strategies,
heterogeneous
structures
have
been
demonstrated
be
effective
mitigating
uneven
deposition
reducing
local
current
density
regulating
sites.
In
review,
we
discuss
comprehensively
underlying
principles
influence
dendrite
growth,
well
synthesis
approaches
for
structures.
Furthermore,
provide
an
overview
diverse
applications
components.
Finally,
highlight
existing
challenges
future
directions
use
deposition.
Chemical Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
POP
fillers
containing
aromatic
groups
with
internal
π–π
effect
can
catalyze
the
decomposition
of
LiTFSI
to
form
a
stable
LiF-rich
SEI
layer
and
inhibit
growth
lithium
dendrites,
which
helps
cycle
PEO-based
solid-state
batteries.
Chemical Science,
Journal Year:
2021,
Volume and Issue:
12(40), P. 13248 - 13272
Published: Jan. 1, 2021
As
lithium-ion
batteries
have
been
the
state-of-the-art
electrochemical
energy
storage
technology,
overwhelming
demand
for
on
a
larger
scale
has
triggered
development
of
next-generation
battery
technologies
possessing
high
density,
longer
cycle
lives,
and
enhanced
safety.
However,
commercial
liquid
electrolytes
plagued
by
safety
issues
due
to
their
flammability
instability
in
contact
with
electrodes.
Efforts
focused
developing
such
covalently
immobilizing
anionic
groups
onto
polymer
backbone,
which
only
allows
Li
Particuology,
Journal Year:
2021,
Volume and Issue:
60, P. 14 - 36
Published: May 15, 2021
Solid-state
lithium
batteries
(SSLBs)
have
been
identified
as
one
kind
of
the
most
promising
energy
conversion
and
storage
devices
because
their
safety,
high
density,
long
cycling
life.
The
development
solid-state
electrolyte
is
vital
to
commercialize
SSLBs.
Composite
polymer
(CPE),
derived
by
compositing
inorganic
particles
into
solid
has
become
practical
species
for
SSLBs
it
inherits
advantages
simultaneously
achieves
enhanced
ionic
conductivity
mechanical
properties.
characteristics
interaction
with
polymers
strongly
impact
performance
CPE,
improving
its
conductivity,
properties,
thermal
electrochemical
stability,
well
interface
compatibility
both
electrodes.
In
this
review,
effects
particle
including
species,
size,
proportion,
morphology
on
properties
CPE
are
reviewed.
Meanwhile,
some
novel
composite
strategies
also
introduced
surface
modification,
hybridization,
alignment
in
matrices,
new
preparation
methods
CPE.
interactions
between
other
components
matrices
or
salt
particularly
focused
herein
reveal
conductive
mechanism.
Finally,
a
perspective
direction
future
presented.