High-performance MOF-derived polymer electrolytes with modified ionic transport for solid-state lithium metal batteries
Qi Zeng,
Liuwei Shi,
Jianhao Wang
и другие.
Journal of Energy Storage,
Год журнала:
2025,
Номер
110, С. 115314 - 115314
Опубликована: Янв. 5, 2025
Язык: Английский
Robust and Adhesive Laminar Solid Electrolyte with Homogenous and Fast Li‐Ion Conduction for High‐Performance All‐Solid‐State Lithium Metal Battery
Advanced Science,
Год журнала:
2024,
Номер
11(30)
Опубликована: Июнь 14, 2024
Constructing
composite
solid
electrolytes
(CSEs)
integrating
the
merits
of
inorganic
and
organic
components
is
a
promising
approach
to
developing
high-performance
all-solid-state
lithium
metal
batteries
(ASSLMBs).
CSEs
are
now
capable
achieving
homogeneous
fast
Li-ion
flux,
but
how
escape
trade-off
between
mechanical
modulus
adhesion
still
challenge.
Herein,
strategy
address
this
issue
proposed,
that
is,
intercalating
highly
conductive,
homogeneous,
viscous-fluid
ionic
conductors
into
robust
coordination
laminar
framework
construct
electrolyte
with
conduction
(LSE-HFC).
A
9
µm-thick
LSH-HFC,
in
which
poly(ethylene
oxide)/succinonitrile
adsorbed
by
metal-organic
nanosheets
as
building
blocks,
used
here
an
example
determine
validity.
The
transfer
mechanism
verified
works
across
entire
LSE-HFC,
facilitates
flux
low
migration
energy
barriers,
endowing
LSE-HFC
high
conductivity
5.62
×
10
Язык: Английский
Chain-segment ferry engineering from anchoring anion of the composite solid electrolyte enables fast lithium ion transport
Chemical Engineering Science,
Год журнала:
2024,
Номер
unknown, С. 120962 - 120962
Опубликована: Ноя. 1, 2024
Язык: Английский
Stabilizing Nickel‐Rich Cathodes in Aqueous Process through Nanocellulose as Water Barrier
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Сен. 13, 2024
Abstract
Nickel‐rich
LiNi
0.8
Co
0.1
Mn
O
2
(NMC
811)
cathode
offers
high
voltage
and
specific
capacity,
making
it
promising
for
energy
density
batteries.
However,
large‐scale
manufacturing
of
aqueous‐processed
NMC
811
electrodes
remains
challenging
due
to
proton
exchange
causing
material
decomposition
capacity
loss.
This
work
addresses
this
issue
by
constructing
an
in
situ
nanocellulose
protective
layer
particles
via
electrostatic
interactions
during
the
slurry
preparation.
For
first
time,
interatomic
spacing
between
inter‐chains
is
measured
through
wide‐angle
X‐ray
scattering
demonstrate
ability
effectively
confine
interlayer
water
using
atomistic
simulations.
Moreover,
coverage
simultaneously
minimizes
Li
+
surface
segregation
mitigates
infiltration.
Owing
less
aqueous
processing,
nanocellulose‐protected
exhibit
higher
initial
coulombic
efficiency
(83%
vs
62%
at
0.1C)
(133
59
mAh
g
−1
6C)
than
unprotected
electrodes.
Additionally,
optimized
offer
comparable
or
even
superior
electrochemical
properties
compared
fabricated
conventional
toxic
organic
solvent,
N‐methyl‐2‐pyrrolidone.
Consequently,
developed
approach
enables
affordable,
sustainable
processing
cathodes
with
excellent
performances.
Язык: Английский
Intrinsic Mechanical Parameters and their Characterization in Solid‐State Lithium Batteries
Advanced Energy Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 26, 2024
Abstract
The
most
critical
failures
in
solid‐state
batteries,
including
interfacial
detachment,
cracks,
and
dendrite
growth
are
coupled
with
or
fundamentally
belong
to
a
class
of
overarching
phenomena
that
may
be
broadly
defined
as
mechanical
processes.
However,
current
research
on
processes
is
far
from
sufficient,
its
infancy
compared
studies
improving
electrolyte
ionic
transportation
electrochemical
stabilities.
Even
the
physical
significance
many
parameters
has
not
been
clarified
this
field
corresponding
characterization
methods
have
yet
widely
established.
Herein,
review
focuses
intrinsic
associated
design
operation
batteries
their
characterization.
Beginning
an
overview
processes,
key
concepts
context
(SSB)
defined.
Next,
various
applied
SSBs
described
detail,
results
reviewed.
Additional
orthogonal
areas
also
included
emphasize
possible
translational
impact
battery
field.
Finally,
perspectives
challenges
development
trends
proposed
for
further
batteries.
Язык: Английский
Solid-State Plastic Crystal-Embedded Brush Polymer Electrolyte for High-Performance and Super Long-Lasting Lithium Metal Batteries at Room Temperature
ACS Applied Energy Materials,
Год журнала:
2024,
Номер
8(1), С. 306 - 318
Опубликована: Дек. 17, 2024
Lithium
metal
batteries
(LMBs)
have
long
been
regarded
as
promising
advanced
battery
technology.
However,
due
to
safety
concerns,
there
is
an
urgent
need
for
the
development
of
solid-state
electrolytes.
Solid-state
polymer
electrolytes
(SPEs)
offer
advantages
such
being
lightweight,
having
high
elasticity,
and
low
cost,
but
they
are
hampered
by
issues
like
conductivity
narrow
potential
window.
In
this
study,
we
present
a
series
plastic
crystal-embedded
brush
(SPCBPEs)
comprising
succinonitrile
(SN)
poly(methoxy
oligo(ethylene
glycol)
acrylate)
(PMOEGA)
network.
These
materials
synthesized
via
in
situ
polymerization
from
monomers
with
varying
numbers
ethylene
oxide
(EO)
segments
side
chains.
By
carefully
adjusting
network
structure
SN
doping
ratio,
optimized
SPCBPE-2
exhibits
ionic
(∼7.19
×
10–4
S
cm–1),
extremely
broad
electrochemical
window
(∼5.8
V),
excellent
Li+
ions
transference
number
(tLi+
=
0.72).
A
Li||SPCBPE-2||Li
symmetric
cell
demonstrates
exceptional
long-term
plating/stripping
performance
at
room
temperature
(26
°C),
withstanding
7200
h
0.2
mA
cm–2.
Furthermore,
Li||SPCBPE-2||LFP
LMBs
show
impressive
cycling
stability,
maintaining
1000
cycles
1C
rate
80.95%
capacity
retention.
Our
SPBCPEs
straightforward
yet
powerful
design
SPEs
significant
field
LMBs.
Язык: Английский