Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(29)
Published: May 6, 2024
Abstract
The
interfacial
instability
of
high‐nickel
layered
oxides
severely
plagues
practical
application
high‐energy
quasi‐solid‐state
lithium
metal
batteries
(LMBs).
Herein,
a
uniform
and
highly
oxidation‐resistant
polymer
layer
within
inner
Helmholtz
plane
is
engineered
by
in
situ
polymerizing
1‐vinyl‐3‐ethylimidazolium
(VEIM)
cations
preferentially
adsorbed
on
LiNi
0.83
Co
0.11
Mn
0.06
O
2
(NCM83)
surface,
inducing
the
formation
anion‐derived
cathode
electrolyte
interphase
with
fast
kinetics.
Meanwhile,
copolymerization
[VEIM][BF
4
]
vinyl
ethylene
carbonate
(VEC)
endows
P(VEC‐IL)
copolymer
positively‐charged
imidazolium
moieties,
providing
positive
electric
fields
to
facilitate
Li
+
transport
desolvation
process.
Consequently,
Li||NCM83
cells
cut‐off
voltage
up
4.5
V
exhibit
excellent
reversible
capacity
130
mAh
g
−1
after
1000
cycles
at
25
°C
considerable
discharge
134
without
decay
100
−20
°C.
This
work
provides
deep
understanding
tailoring
double
cation
specific
adsorption
for
high‐voltage
LMBs.
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
36(1)
Published: Sept. 9, 2023
Abstract
Severe
dendrite
growth
and
high‐level
activity
of
the
lithium
metal
anode
lead
to
a
short
life
span
poor
safety,
seriously
hindering
practical
applications
batteries.
With
trisalt
electrolyte
design,
an
F‐/N‐containing
inorganics–rich
solid
interphase
on
is
constructed,
which
electrochemically
thermally
stable
over
long‐term
cycles
safety
abuse
conditions.
As
result,
its
Coulombic
efficiency
can
be
maintained
98.98%
for
400
cycles.
An
85.0%
capacity
retained
coin‐type
full
cells
with
3.14
mAh
cm
−2
LiNi
0.5
Co
0.2
Mn
0.3
O
2
cathode
after
200
1.0
Ah
pouch‐type
4.0
72
During
thermal
runaway
tests
cycled
pouch
cell,
onset
triggering
temperatures
were
increased
from
70.8
°C
117.4
100.6
153.1
°C,
respectively,
indicating
greatly
enhanced
performance.
This
work
gives
novel
insights
into
interface
potentially
paving
way
high‐energy‐density,
long‐life‐span,
safe
Chemical Society Reviews,
Journal Year:
2024,
Volume and Issue:
53(10), P. 5291 - 5337
Published: Jan. 1, 2024
Design
principles,
engineering
strategies,
challenges,
and
opportunities
of
gel
polymer
electrolytes
for
rechargeable
batteries
toward
wide-temperature
applications
are
thoroughly
reviewed.
InfoMat,
Journal Year:
2023,
Volume and Issue:
6(2)
Published: Dec. 12, 2023
Abstract
Solid‐state
batteries
that
employ
solid‐state
electrolytes
(SSEs)
to
replace
routine
liquid
are
considered
be
one
of
the
most
promising
solutions
for
achieving
high‐safety
lithium
metal
batteries.
SSEs
with
high
mechanical
modulus,
thermal
stability,
and
non‐flammability
can
not
only
inhibit
growth
dendrites
but
also
enhance
safety
However,
several
internal
materials/electrodes‐related
hazards
demonstrated
by
recent
works
show
(SSLMBs)
impenetrable.
Therefore,
understanding
potential
SSLMBs
is
critical
their
more
secure
widespread
applications.
In
this
contribution,
we
provide
a
comprehensive
overview
failure
mechanism
from
materials
devices.
Also,
strategies
improve
performance
included
view
material
enhancement,
battery
design,
external
management.
Consequently,
future
directions
further
provided.
We
hope
work
shed
bright
insights
into
path
constructing
energy
storage
devices
density
safety.
image
Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
34(17)
Published: Dec. 21, 2023
Abstract
In
situ
polymerization
technology
is
expected
to
empower
the
next
generation
high
specific
energy
lithium
batteries
with
safety
and
excellent
cycling
performance.
Nevertheless,
large‐scale
commercial
applications
of
most
reported
in
polymer
electrolytes
are
still
full
challenges.
Owing
severe
parasitic
reactions
caused
by
residual
monomers,
additional
initiators
oligomers,
using
often
demonstrate
limited
capacity,
poor
performance,
insufficient
rate
capability.
However,
this
issue
has
not
received
adequate
attention
previous
reports.
Furthermore,
design
evaluation
lack
effective
guidance
unified
standards.
Herein,
development
history
systematically
reviewed
critically
disclose
great
Then,
from
aspects
initiators,
separators,
manufacturing
technologies,
cycle
life
evaluation,
unprecedentedly
a
new
paradigm
provided
for
upgrading
inside
batteries.
It
hoped
novel
will
prompt
much
more
insightful
studies,
expediting
commercialization
Nature Communications,
Journal Year:
2024,
Volume and Issue:
15(1)
Published: May 25, 2024
The
advancement
of
Li-metal
batteries
is
significantly
impeded
by
the
presence
unstable
solid
electrolyte
interphase
and
Li
dendrites
upon
cycling.
Herein,
we
present
an
innovative
approach
to
address
these
issues
through
synergetic
regulation
mechanics
crystallography
using
yttrium
fluoride/polymethyl
methacrylate
composite
layer.
Specifically,
demonstrate
in-situ
generation
Y-doped
lithium
metal
reaction
layer
with
metal,
which
reduces
surface
energy
(200)
plane,
tunes
preferential
crystallographic
orientation
plane
from
conventional
(110)
during
plating.
These
changes
effectively
passivate
thereby
reducing
undesired
side
reactions
between
electrolytes
4
times.
Meanwhile,
suitable
modulus
(~1.02
GPa)
can
enhance
mechanical
stability
maintain
structural
SEI.
Consequently,
a
4.2
Ah
pouch
cell
high
density
468
Wh
kg
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(31)
Published: June 5, 2024
All-solid-state
lithium
batteries
with
polymer
electrolytes
suffer
from
electrolyte
decomposition
and
dendrites
because
of
the
unstable
electrode/electrolyte
interfaces.
Herein,
a
molecule
crowding
strategy
is
proposed
to
modulate
Li
Angewandte Chemie International Edition,
Journal Year:
2024,
Volume and Issue:
63(18)
Published: March 11, 2024
Abstract
Gel‐polymer
electrolyte
(GPE)
is
a
pragmatic
choice
for
high‐safety
sodium
batteries
but
still
plagued
by
interfacial
compatibility
with
both
cathode
and
anode
simultaneously.
Here,
salt‐in‐polymer
fibers
NaF
salt
inlaid
in
polylactide
(PLA)
fiber
network
was
fabricated
via
electrospinning
subsequent
situ
forming
gel‐polymer
liquid
electrolytes.
The
obtained
PLA‐NaF
GPE
achieves
high
ion
conductivity
(2.50×10
−3
S
cm
−1
)
large
Na
+
transference
number
(0.75)
at
ambient
temperature.
Notably,
the
dissolution
of
occupies
solvents
leading
to
concentrated‐electrolyte
environment,
which
facilitates
aggregates
increased
anionic
coordination
(anion/Na
>1).
Aggregates
higher
HOMO
realize
preferential
oxidation
on
so
that
inorganic‐rich
stable
CEI
covers
cathode’
surface,
preventing
particles’
breakage
showing
good
different
cathodes
(Na
3
V
2
(PO
4
,
2+2x
Fe
2‐x
(SO
0.72
Ni
0.32
Mn
0.68
O
NaTi
).
While,
passivated
induced
lower
LUMO
aggregates,
surface
tension
between
interface,
dendrites‐free
anode.
As
result,
assembled
||
cells
display
excellent
electrochemical
performance
all‐climate
conditions.