Constructing Fast Ion/Electron Conducting Pathway within 3D Stable Scaffold for Dendrite‐Free Lithium Metal Anode
Xueting Liu,
Hongming Tan,
Yuting Li
и другие.
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 27, 2024
Abstract
Utilizing
limited
Li‐metal
(<10
mAh
cm
−2
)
is
desirable
to
achieve
high‐specific‐energy
batteries
(LMBs).
However,
the
rapid
depletion
and
anode
pulverization
severely
restrict
cycle
life
of
LMBs.
Herein,
3D
carbon‐based
scaffold
proposed
as
a
host
construct
composite
(ZOS‐CF@Li)
with
Li
amount
8
via
molten
infusion
assisted
by
lithiophilic
ZnO/ZnS.
In
situ
TEM
reveals
that
ZnO/ZnS
can
spontaneously
convert
into
ionically
conductive
2
O/Li
S
electronically
LiZn‐alloy,
contributing
faster
ion/electron
transport
favorable
dendrite‐free
deposition.
The
experiment
results
combined
theoretical
calculations
confirm
inorganic
Li‐salts
high
elastic
modulus
super
lithiophilicity
enable
homogenous
electric
field
distribution
reduced
Li‐diffusion
energy
barriers.
Therefore,
ZOS‐CF@Li
exhibits
stable
cycling
over
1100
h
low
overpotential
under
5
in
symmetric
cell.
Furthermore,
performances
coupled
mass
loading
LiFePO
4
(20
mg
LiNi
0.8
Co
0.1
Mn
O
(18
at
N/P
ratios
2.38
2.25
are
achieved
full‐cells,
respectively.
Li||LFP
pouch‐cell
maintain
high‐capacity
retention
97.7%
after
90
cycles.
This
work
will
shed
light
on
design
for
building
Li‐anode
high‐energy‐density
Язык: Английский
Advances and Insights in 1D Energy Storage Strategy: Design, Analysis, and Applications of Fibrous Batteries
ACS Applied Energy Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 27, 2025
Язык: Английский
A Gel Polymer Electrolyte Obtained from Cellulose Acetate/Polyvinylidene Fluoride Composite Electrospun Membrane for Safe Lithium Metal Batteries with High-Rate Capability
Polymer,
Год журнала:
2024,
Номер
308, С. 127412 - 127412
Опубликована: Июль 15, 2024
Язык: Английский
In Situ Grown Li2Te Enhanced Lithium Metal Anode Interfacial Kinetics
Small,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 8, 2024
Abstract
Lithium
metal
anode
(LMA)
is
expected
to
be
the
ideal
material
for
future
high‐energy‐density
batteries,
but
regulating
complex
electrolyte–anode
interface
remains
a
challenge.
In
this
work,
stable
Li
2
Te
coating
formed
on
surface
of
commercial
copper
mesh
(LTCM)
using
simple
and
quick
method
improve
lithium
interfacial
kinetics.
possesses
strong
affinity
both
+
TFSI
−
anions,
which
reduces
nucleation
barrier
guides
formation
inorganic‐rich
SEI,
accelerates
diffusion
,
promotes
growth
along
plane.
The
highly
conductive
Cu
generated
by
in
situ
lithiation
reaction
together
constitute
an
effective
electron‐conducting
network,
synergistically
enhances
kinetics
cycling
stability
LMA.
As
result,
LTCM
maintains
high
Coulombic
efficiency
(98%)
even
after
2200
cycles
at
1
mA
cm
−2
whereas
symmetric
cell
has
long
cycle
life
over
5400
h
.
addition,
full
cells
with
LFP
display
capacity
retention
ratio
(80%)
480
C
corresponding
pouch
can
steadily
more
than
464
C,
good
application
prospects.
Язык: Английский