Chemical Science,
Год журнала:
2024,
Номер
15(27), С. 10281 - 10307
Опубликована: Янв. 1, 2024
Delving
into
the
tools
empowering
polymer
chemists
to
design
polymers
for
roles
as
solid
electrolytes,
multifunctional
binders
and
active
electrode
materials
in
cutting-edge
solid-state
batteries
wearable
devices.
Abstract
Raising
the
charging
voltage
and
employing
high‐capacity
cathodes
like
lithium
cobalt
oxide
(LCO)
are
efficient
strategies
to
expand
battery
capacity.
High
voltage,
however,
will
reveal
major
issues
such
as
electrolyte's
low
interface
stability
weak
electrochemical
stability.
Designing
high‐performance
solid
electrolytes
from
standpoint
of
substance
genetic
engineering
design
is
consequently
vital.
In
this
instance,
stable
SEI
CEI
layers
constructed,
a
4.7
V
high‐voltage
copolymer
electrolyte
(PAFP)
with
fluoro‐cyanogen
group
generated
by
polymer
molecular
engineering.
As
result,
PAFP
has
an
exceptionally
broad
window
(5.5
V),
high
Li
+
transference
number
(0.71),
ultrahigh
ionic
conductivity
(1.2
mS
cm
−2
)
at
25
°C.
Furthermore,
Li||Li
symmetric
cell
possesses
excellent
2000
cycles
1
mA
.
The
LCO|PAFP|Li
batteries
have
73.7%
retention
capacity
after
1200
cycles.
Moreover,
it
still
cycling
V.
These
characteristics
above
also
allow
run
stably
loading,
showing
proposed
provides
new
insights
into
resistant
electrolytes.
Nano-Micro Letters,
Год журнала:
2024,
Номер
16(1)
Опубликована: Фев. 19, 2024
The
pursuit
of
safer
and
high-performance
lithium-ion
batteries
(LIBs)
has
triggered
extensive
research
activities
on
solid-state
batteries,
while
challenges
related
to
the
unstable
electrode-electrolyte
interface
hinder
their
practical
implementation.
Polymer
been
used
extensively
improve
cathode-electrolyte
in
garnet-based
all-solid-state
LIBs
(ASSLBs),
it
introduces
new
concerns
about
thermal
stability.
In
this
study,
we
propose
incorporation
a
multi-functional
flame-retardant
triphenyl
phosphate
additive
into
poly(ethylene
oxide),
acting
as
thin
buffer
layer
between
LiNi
Journal of Energy Storage,
Год журнала:
2024,
Номер
90, С. 111919 - 111919
Опубликована: Май 4, 2024
The
search
for
sustainable
and
high-performance
materials
lithium-ion
batteries
is
leading
to
significant
advances
in
solid
polymer
electrolyte
(SPE)
technology.
However,
the
current
drawbacks
of
this
approach
prove
need
further
research
development
field.
Herein,
novel
ternary
electrolytes
have
been
developed
using
varying
loads
MOF-808
metal-organic
framework
[BMIM][SCN]
ionic
liquid
(IL)
incorporated
a
poly(vinylidene
fluoride-co-hexafluoropropylene)
matrix.
were
evaluated
at
morphological,
structural,
thermal,
mechanical
electrochemical
levels,
their
performance
cycling
battery
testing
was
assessed.
results
showed
homogeneous
structure
throughout
all
samples
good
dispersion
distinct
components.
polar
phase
degree
crystallinity
are
increased
with
increasing
IL
content,
thermal
properties
appropriate
application.
conductivity
reaches
maximum
values
4.68
×
10−5
S‧cm−1
room
temperature,
lithium
transference
numbers
up
0.65,
high
stability,
making
them
well-suited
applications.
assembled
stability
after
50
cycles
C/10
discharge
capacity
value
150
mAh‧g−1
temperature
tested/derived.
obtained
show
potential
system
electrolytes.
Chemical Science,
Год журнала:
2024,
Номер
15(27), С. 10281 - 10307
Опубликована: Янв. 1, 2024
Delving
into
the
tools
empowering
polymer
chemists
to
design
polymers
for
roles
as
solid
electrolytes,
multifunctional
binders
and
active
electrode
materials
in
cutting-edge
solid-state
batteries
wearable
devices.