ACS Applied Energy Materials,
Год журнала:
2023,
Номер
6(7), С. 4053 - 4064
Опубликована: Март 23, 2023
Poly(ethylene
oxide)
(PEO)-based
polymer
electrolytes
are
a
promising
class
of
materials
for
use
in
lithium-ion
batteries
due
to
their
high
ionic
conductivity
and
flexibility.
In
this
study,
the
effects
architecture
including
linear,
star,
hyperbranched
salt
(lithiumbis(trifluoromethanesulfonyl)imide
(LiTFSI))
concentration
on
glass
transition
(Tg),
microstructure,
phase
diagram,
free
volume,
bulk
viscosity,
all
which
play
significant
role
determining
electrolyte,
have
been
systematically
studied
PEO-based
electrolytes.
The
branching
PEO
widens
liquid
toward
lower
concentrations,
suggesting
decreased
crystallization
improved
ion
coordination.
At
loadings,
clustering
is
common
electrolytes,
yet
cluster
size
distribution
appear
be
strongly
architecture-dependent.
Also,
maximized
at
[Li/EO
≈
0.085]
architectures,
highly
branched
polymers
displayed
as
much
three
times
higher
(with
respect
linear
analogue)
same
total
molar
mass.
architecture-dependent
attributed
enhanced
volume
measured
by
positron
annihilation
lifetime
spectroscopy.
Interestingly,
despite
strong
dependence
conductivity,
addition
architectures
results
accelerated
similar
monomeric
friction
coefficients
these
polymers,
offering
potential
decoupling
from
segmental
dynamics
leading
outstanding
battery
performance.
Energy & Environmental Science,
Год журнала:
2021,
Номер
14(5), С. 2708 - 2788
Опубликована: Янв. 1, 2021
A
comprehensive
review
article
addressing
the
prospects
of
thein
situpolymerization
strategy
as
a
tool
for
surpassing
challenges
electrode|electrolyte
interfaces
&
interphases
in
lithium
polymer
batteries.
Advanced Functional Materials,
Год журнала:
2021,
Номер
31(23)
Опубликована: Апрель 2, 2021
Abstract
Today,
there
is
an
urgent
demand
to
develop
all
solid‐state
lithium‐ion
batteries
(LIBs)
with
a
high
energy
density
and
degree
of
safety.
The
core
technology
in
electrolyte,
which
determines
the
performance
battery.
Among
developed
solid
electrolytes,
composite
polymer
electrolytes
(CPEs)
have
been
deemed
as
one
most
viable
candidates
because
their
comprehensive
performance.
In
this
review,
limitations
traditional
recent
progress
CPEs
are
introduced.
effect
mechanism
inorganic
fillers
various
properties
discussed
detail.
Meanwhile,
factors
affecting
ionic
conductivity
intensively
reviewed.
representative
synthetic
natural
clay‐based
highlighted
great
potential.
Finally,
remaining
challenges
promising
prospects
outlined
provide
strategies
novel
for
high‐performance
LIBs.
Journal of Power Sources,
Год журнала:
2021,
Номер
502, С. 229919 - 229919
Опубликована: Май 11, 2021
Lithium
solid-state
batteries
(SSBs)
are
considered
as
a
promising
solution
to
the
safety
issues
and
energy
density
limitations
of
state-of-the-art
lithium-ion
batteries.
Recently,
possibility
developing
practical
SSBs
has
emerged
thanks
striking
advances
at
level
materials;
such
discovery
new
highly-conductive
electrolytes.
Consequently,
focus
in
research
progressively
shifted
towards
integration
various
components,
battery's
functionality
full
cell
level,
scalability
fabrication
processes.
Considering
these
points,
development
still
faces
formidable
challenges.
This
review
covers
recent
SSB
development,
stressing
importance
integration.
The
most
relevant
materials
processes
briefly
summarized
their
potential
applications
examined.
main
challenges
strategies
for
then
discussed
highlighting
best
suited
processing
techniques.
Particular
attention
is
paid
on
mutual
compatibility
properties
interfaces
within
(anode-electrolyte,
cathode-electrolyte,
intra-electrolyte)
applied
stabilize
minimize
resistance
via
compatible
processing.
Nature Communications,
Год журнала:
2023,
Номер
14(1)
Опубликована: Авг. 12, 2023
Abstract
Before
the
debut
of
lithium-ion
batteries
(LIBs)
in
commodity
market,
solid-state
lithium
metal
(SSLMBs)
were
considered
promising
high-energy
electrochemical
energy
storage
systems
before
being
almost
abandoned
late
1980s
because
safety
concerns.
However,
after
three
decades
development,
LIB
technologies
are
now
approaching
their
content
and
limits
imposed
by
rocking
chair
chemistry.
These
aspects
prompting
revival
research
activities
SSLMB
at
both
academic
industrial
levels.
In
this
perspective
article,
we
present
a
personal
reflection
on
solid
polymer
electrolytes
(SPEs),
spanning
from
early
development
to
implementation
SSLMBs,
highlighting
key
milestones.
particular,
discuss
SPEs’
characteristics
taking
into
account
concept
coupled
decoupled
SPEs
proposed
C.
Austen
Angell
1990s.
Possible
remedies
improve
physicochemical
properties
also
examined.
With
aim
highlight
missing
blocks
building
ideal
SSLMBs
stimulate
towards
innovative
electrolyte
materials
for
future
rechargeable
batteries.
Energy Material Advances,
Год журнала:
2021,
Номер
2021
Опубликована: Янв. 1, 2021
The
integration
of
solid-polymer
electrolytes
into
all-solid-state
lithium
batteries
is
highly
desirable
to
overcome
the
limitations
current
battery
configurations
that
have
a
low
energy
density
and
severe
safety
concerns.
Polyacrylonitrile
an
appealing
matrix
for
electrolytes;
however,
practical
utilization
such
polymer
in
cells
impeded
by
inferior
ionic
conductivity
instability
against
lithium-metal
anode.
In
this
work,
we
show
polymer-in-salt
electrolyte
based
on
polyacrylonitrile
with
salt
as
major
component
exhibits
wide
electrochemically
stable
window,
high
conductivity,
increased
lithium-ion
transference
number.
growth
dendrites
from
anode
was
suppressed
effectively
increase
features
batteries.
addition,
found
interphase
formed
between
restrain
uncontrolled
parasitic
reactions,
demonstrated
configuration
LiFePO
4
cathode
electrolyte,
which
exhibited
superior
cycling
stability
rate
capability.
Advanced Energy Materials,
Год журнала:
2022,
Номер
12(16)
Опубликована: Март 11, 2022
Abstract
Single‐ion
conducting
polymer
electrolytes
are
considered
particularly
attractive
for
realizing
high‐performance
solid‐state
lithium‐metal
batteries.
Herein,
a
polysiloxane‐based
single‐ion
conductor
(PSiO)
is
investigated.
The
synthesis
performed
via
simple
thiol‐ene
reaction,
yielding
flexible
and
self‐standing
electrolyte
membranes
(PSiOM)
when
blended
with
poly(vinylidene
fluoride‐
co
‐hexafluoropropylene)
(PVdF‐HFP).
When
incorporating
57
wt%
of
organic
carbonates,
these
provide
Li
+
conductivity
>0.4
mS
cm
−1
at
20
°C
wide
electrochemical
stability
window
more
than
4.8
V.
This
excellent
allows
the
highly
reversible
cycling
symmetric
Li||Li
cells
as
well
high‐energy
Li||LiNi
0.6
Mn
0.2
Co
O
2
(NMC
622
)
0.8
0.1
811
several
hundred
cycles
relatively
high
discharge
charge
rates.
Remarkably,
Li||NMC
mass
loading
cathodes
76%
capacity
retention
current
density
1.44
mA
−2
,
thus
rendering
this
suitable
battery
applications.
Advanced Energy Materials,
Год журнала:
2023,
Номер
13(15)
Опубликована: Март 11, 2023
Abstract
Polymer
composite
electrolytes
(PCEs),
i.e.,
materials
combining
the
disciplines
of
polymer
chemistry,
inorganic
and
electrochemistry,
have
received
tremendous
attention
within
academia
industry
for
lithium‐based
battery
applications.
While
PCEs
often
comprise
3D
micro‐
or
nanoparticles,
this
review
thoroughly
summarizes
prospects
2D
layered
inorganic,
organic,
hybrid
nanomaterials
as
active
(ion
conductive)
passive
(nonion
fillers
in
PCEs.
The
synthetic
nanofillers
covered
here
include
graphene
oxide,
boron
nitride,
transition
metal
chalcogenides,
phosphorene,
MXenes.
Furthermore,
use
naturally
occurring
clay
minerals,
such
double
hydroxides
silicates,
is
also
detailed
considering
their
impact
on
cell
performance.
Despite
dominance
materials,
organic
counterparts,
covalent
frameworks
metal–organic
are
identified
tuneable
PCE.
Hence,
gives
an
overview
plethora
options
available
selective
development
both
resulting
PCEs,
which
can
revolutionize
field
polymer‐based
solid‐state
implementation
lithium
post‐lithium
batteries.
