Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 9, 2024
Abstract
In
situ
formed
poly(1,3‐dioxolane)
(PDOL)
electrolytes
are
of
great
interest
due
to
the
facile
process
and
improved
interface
contact.
However,
practical
application
in
PDOL
is
still
plagued
by
fast
solidification
time
(liquid
state)
poor
high‐voltage
stability
(solid
state).
Herein,
slow‐release
carriers
triglycidyl
isocyanurate
(TGIC),
which
play
dual
roles
as
initiator
sustained‐release
network
confinement,
can
tune
DOL
curing
cathode/electrolyte
chemistry
demonstrated.
Specifically,
electronegative
C≐O
epoxy
groups
TGIC
have
an
affinity
with
BF
3
,
decomposition
product
lithium
bis(oxalate)borate
(LiDFOB),
delaying
protonation
reaction
thus
extending
time.
addition,
serve
crosslinking
sites
form
crosslinked
polymer
(TPDOL@FEC).
The
corresponding
structure
suppresses
contact
between
high‐fluidity
organic
components
cathodes,
generating
a
uniform
thin
cathode
electrolyte
layer.
As
result,
TPDOL@FEC
precursor
solution
remain
its
liquid
state
even
after
resting
24
h
at
room
temperature.
assembled
LiNi
0.6
Co
0.2
Mn
O
2
||TPDOL@FEC||Li
cells
display
impressive
capacity
retention
91.5%
100
cycles
4.4
V
(0.5
C).
This
study
expected
be
leap
pursuit
practically
feasible
electrolytes.
Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: July 14, 2024
Abstract
Lithium‐ion
batteries
(LIBs)
have
emerged
as
vital
elements
of
energy
storage
systems
permeating
every
facet
modern
living,
particularly
in
portable
electronic
devices
and
electric
vehicles.
However,
with
the
sustained
economic
social
development,
new‐generation
LIBs
high
density,
wide
operating
temperature
range,
fast
charge,
safety
are
eagerly
expected,
while
conventional
ethylene
carbonate
(EC)‐based
electrolytes
fail
to
satisfy
corresponding
requirements.
Comparatively,
ether‐based
electrolyte
fascinating
properties
recently
been
revived
fields,
many
advanced
exciting
performances
under
developed.
This
review
provides
an
extensive
overview
latest
breakthroughs
concerning
applied
intercalation
cathodes.
To
systematically
outline
progression
electrolytes,
this
is
categorized
from
perspective
anodes
follows:
i)
graphite
anode‐based
LIBs;
ii)
silicon
iii)
lithium
metal
LIBs.
Advanced Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 31, 2025
Poly(ethylene
oxide)
(PEO)-based
solid
composite
electrolytes
suffer
from
poor
conductivity
and
lithium
dendrite
growth,
especially
toward
the
metallic
metal
anode.
In
this
study,
succinonitrile
(SN)
is
incorporated
into
a
PEO
electrolyte
to
fabricate
an
electrode-compatible
with
good
electrochemical
performance.
The
SN-doped
successfully
inhibits
growth
facilitates
SEI
layer
formation,
as
determined
by
operando
nanofocus
wide-angle
X-ray
scattering
(nWAXS),
meanwhile,
stably
cycled
over
500
h
in
Li/SN-PEO/Li
cell.
Apart
observation
of
dendrite,
robust
formation
mechanism
first
cycle
investigated
SN-enhanced
nWAXS.
inorganic
reaction
products,
LiF
Li3N,
are
found
initially
deposit
on
side,
progressively
extending
This
process
effectively
protected
lithium,
inhibited
electron
transfer,
facilitated
Li⁺
transport.
study
not
only
demonstrates
high-performance
interfacial-stable
battery
but
also
introduces
novel
strategy
for
real-time
visualizing
directing
at
interface
area
lithium.
Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
14(39)
Published: July 17, 2024
Abstract
Lithium
metal
batteries
(LMBs)
suffer
severe
capacity
deterioration
due
to
sluggish
ionic
transport
kinetics
at
extremely
low
temperatures,
which
limits
their
practical
operation.
Selecting
solvents
with
desolvation
energy,
and
promoting
interfacial
Li
+
in
solid
electrolyte
interphase
(SEI)
are
regarded
as
effective
methods
improve
electrochemical
performances.
Herein,
1,3‐dioxolane
(DOL)
weak
solvating
power
is
adopted
for
designing
a
DOL‐based
localized
high
concentration
(DLHCE)
LiNO
3
multifunctional
additive.
The
strong
coordination
between
NO
−
DOL
molecules
not
only
inhibits
the
polymerization
of
lithium
bis(fluorosulfonyl)imide
(LiFSI)
concentration,
but
also
reduces
solvent‐diluent
miscibility
extends
salt‐solvent
solubility.
As
result,
an
anion‐dominated
solvation
structure
obtained
that
derives
inorganic‐rich
SEI
composed
LiF
N,
guiding
uniform
deposition
temperature.
Remarkably,
Li||LiFePO
4
cells
retain
53.6%
room
temperature
−40
°C,
present
potential
application
Li||NCM811
under
cryogenic
environments.
Energy & Fuels,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 30, 2024
The
ever
increasing
demand
for
a
wide
range
of
energy
storage
applications
requires
lithium
ion
batteries
(LIBs)
high
and
power
densities.
Traditional
anode
materials
like
graphite
are
unable
to
meet
these
requirements
due
their
low
theoretical
capacity
safety
issues.
In
this
context,
alloy
demonstrate
great
potential
be
used
as
propitious
alternative
realizing
density
LIBs,
on
account
unique
characteristics
such
exceptionally
capacities,
moderate
operating
potential,
environmental
benignity,
safety,
abundance.
However,
widespread
use
has
been
hindered
by
poor
cycle
life
first
irreversible
capacity,
which
stem
from
adverse
volume
expansion
consequent
fracturing
electrode.
Tremendous
research
efforts
have
devoted
ameliorating
problems,
fruitful
results
being
reported.
This
review
discusses
the
different
alloy-based
in
major
challenges
experienced
materials,
recent
progress
made
improving
electrochemical
performance.
Energy Materials,
Journal Year:
2025,
Volume and Issue:
5(4)
Published: Jan. 24, 2025
Quasi-solid
polymer
electrolytes
(QSPEs)
are
considered
a
promising
alternative
to
liquid
for
high-voltage
lithium
metal
batteries.
Herein,
we
present
their
properties
and
performance
supported
on
polyolefin
microporous
separators.
These
QSPEs
consist
of
poly(vinylidene-fluoride-co-hexafluoropropylene)
matrix,
ethylene
carbonate
as
plasticizer,
various
salt
mixtures,
including
bis(fluorosulfonyl)imide
(LiFSI),
bis(oxalate)borate
(LiBOB),
LiNO3
solid
electrolyte
interface-forming
additive.
They
exhibit
an
ionic
conductivity
ca.
1
mS
cm-1
at
room
temperature
excellent
resistance
against
dendrites,
attributed
the
presence
tough
separator.
The
effect
mixture
composition
plating/stripping
electrooxidation
stability
was
studied
in
detail,
showing
that
LiNO3,
while
having
clear
positive
performance,
may
also
adversely
affect
oxidative
electrolyte,
accelerating
degradation
cathode/electrolyte
interface.
with
binary
LiFSI/LiBOB
mixtures
were
tested
LiNi0.8Mn0.1Co0.1O2||Li
monolayer
pouch
cell
cathode
area
capacity
2.5
mAh
cm-2.
This
delivered
initial
close
200
g-1
C/20,
150
C/1,
80%
retention
after
100
cycles
25
°C.
results
demonstrate
viability
QSPEs,
based
poly(vinylidene-fluoride-co-hexafluoropropylene),
carbonate,
LiFSI
LiBOB,
application
quasi
solid-state
