Ameliorating lithium deposition regulation via alloying lithiophilic zinc metal for stable lithium metal batteries
Chemical Engineering Journal,
Год журнала:
2025,
Номер
unknown, С. 160150 - 160150
Опубликована: Фев. 1, 2025
Язык: Английский
Machine Learning Assisted Design of High‐Entropy Alloy Interphase Layer for Lithium Metal Batteries
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 16, 2025
Abstract
Lithium
dendrite
growth
and
the
resulting
safety
concerns
hinder
application
of
lithium
metal.
Compared
with
single
metal
or
medium
entropy
alloys,
high‐entropy
alloys
(HEAs)
are
a
promising
solution
to
solve
challenges
anodes
due
their
unique
properties.
However,
designing
HEA
layer
appropriate
elements
proportion
has
become
obstacles.
Herein,
machine
learning
(ML),
density
functional
theories
(DFT)
calculation
data
analysis
reveal
contribution
Zn
in
lithiophilicity,
Al
hardness
Fe,
Co,
Ni
providing
magnetism.
The
magnetron
sputtering
is
used
construct
interphase
layer,
three
parameters
(sputtering
power,
time,
substrate
rotation
speed)
optimized
via
particle
swarm
optimization
(PSO)
based
on
logarithm
average
coulombic
efficiency
(CE)
Li||Cu
half
cells.
While
high
strength,
compactness,
flatness
constructed,
Li||Li
symmetric
cell
assembled
by
HEA@Li
at
1
mA
cm
−2
,
mAh
can
cycle
stably
for
2400
h,
discharge
capacity
retention
rate
Li||LFP
>90%
after
300
cycles
C
CE
99.67%.
Design
assisted
ML
provides
path
potential
batteries.
Язык: Английский
Strategies Toward Stable Anode Interface for Sulfide‐Based All‐Solid‐State Lithium Metal Batteries
Small,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 24, 2025
Abstract
Sulfide‐based
all‐solid‐state
batteries
(ASSBs)
have
ushered
in
a
new
era
of
energy
storage
technology,
offering
the
tantalizing
prospect
unprecedented
density
and
safety.
However,
poor
electrode‐electrolyte
interface
between
Li
anodes
sulfide
solid
electrolytes
has
hindered
its
practical
application.
In
this
review,
primary
focus
lies
current
fundamental
understanding,
challenges,
optimization
strategies
regarding
chemistries
anode.
First,
an
in‐depth
discussion
is
conducted
provides
detailed
summary
interfacial
challenges
that
exist
anode
electrolytes.
Among
these
compatibility
stability
stand
out
as
two
crucial
issues.
Subsequently,
effective
approaches
are
systematically
explored
to
surmount
These
encompass
component
structural
design
bulk
anode,
doping
coating
electrolytes,
Finally,
insights
present
into
limitations
studies,
perspectives,
recommendations
for
further
development
sulfide‐based
solid‐state
batteries,
aiming
offer
comprehensive
enlightening
overview
engineering,
which
great
significance
integration
applicable
metal
(ASSLMBs).
Язык: Английский
Strategic Surface Engineering of Lithium Metal Anodes: Simultaneous Native Layer Elimination and Protective Layer Formation via Gas–Solid Reaction
ACS Nano,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 17, 2025
Lithium
(Li)
metal
has
received
significant
attention
as
an
anode
material
for
next-generation
batteries
due
to
its
high
theoretical
capacity
and
low
redox
potential.
However,
the
reactivity
of
Li
leads
formation
a
native
layer
on
surface,
inducing
nonuniform
Li+
flux
at
electrolyte/Li
interface,
which
promotes
growth
dendrites.
In
this
study,
perfluorooctyltriethoxysilane
(PFOTES)
was
vaporized
chemically
react
with
modify
surface.
This
gas-solid
reaction
removes
while
simultaneously
forming
homogeneous
solid
electrolyte
interphase
(SEI)
layer.
The
Si-O-Si
network
formed
through
condensation
reactions
between
PFOTES
molecules,
combined
fluorinated
carbon
chain
PFOTES,
facilitates
rapid
kinetics
metal/electrolyte
interface.
Consequently,
exchange
current
density
PFOTES-modified
(PFOTES-Li)
increased
0.2419
mA
cm-2,
is
20
times
higher
than
that
Bare-Li
(0.0119
cm-2).
SEI
derived
from
effectively
mitigates
pulverization
dead
during
long-term
cycling.
As
result,
PFOTES-Li||LiNi0.8Mn0.1Co0.1O2
full
cell
exhibits
excellent
discharge
203.4
mAh
g-1
under
areal
loading
4.2
cm-2.
study
demonstrates
strategy
removing
surface
stable
layer,
thereby
ensuring
conductivity
mechanical
stability,
thus
improving
cycling
stability
batteries.
Язык: Английский
Plate-like high-entropy oxide (FeCoNiZnV)3O4 for high performance lithium-ion capacitors
Materials Today Communications,
Год журнала:
2025,
Номер
unknown, С. 112818 - 112818
Опубликована: Май 1, 2025
Язык: Английский
In‐Situ Constructing a Mixed‐Conductive Interfacial Protective Layer for Ultra‐Stable Lithium Metal Anodes
Energy & environment materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 9, 2024
Lithium
metal
batteries
are
the
most
promising
next‐generation
energy
storage
technologies
due
to
their
high
density.
However,
practical
application
is
impeded
by
serious
interfacial
side
reactions
and
uncontrolled
dendrite
growth
of
lithium
anode.
Herein,
copper
2,4,5‐trifluorophenylacetate
designed
explored
stabilize
anode
in‐situ
constructing
a
dense
mixed‐conductive
protective
layer.
The
formed
passivated
layer
not
only
significantly
inhibits
avoiding
direct
contact
between
electrolyte
but
also
effectively
suppresses
unique
inorganic‐rich
compositions
properties.
As
result,
2,4,5‐trifluorophenylacetate‐treated
anodes
show
greatly
improved
cycle
stability
under
both
current
density
areal
deposition
capacity.
Notably,
assembled
liquid
symmetrical
cells
with
can
stably
work
for
more
than
3000,
5000,
4800
h
at
1.0
mA
cm
−2
–1.0
mAh
,
2.0
–5.0
10
respectively.
Furthermore,
full
cell
LiFePO
4
loading
(~16.9
mg
)
shows
enhanced
life
250
cycles
stable
Coulombic
efficiencies
(>99.1%).
Moreover,
all‐solid‐state
battery
LiNi
0.6
Co
0.2
Mn
O
2
(~5.0
exhibits
stability.
These
findings
underline
that
great
promise
high‐performance
batteries.
Язык: Английский