Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 13, 2024
Abstract
The
advancement
of
K
metal
anodes
has
long
been
hindered
by
challenges
including
dendrite
proliferation
and
volume
expansion
amid
electrochemical
cycles.
Generic
interlayer
design
for
extended
its
uptake/release
mechanism
remain
unexplored
to
date.
Herein,
a
generic
alloy‐boosted
strategy
is
reported
devise
ZnX‐loaded
(X
=
S,
Se
or
Te)
porous
carbon
nanofiber
(PCNF)
membrane
as
an
efficient
3D
interphase
layer
anodes.
Theoretical
computations
experimental
investigations
suggest
that
representative
ZnTe
acts
alloying
site,
thereby
reducing
the
nucleation
energy
barrier
optimizing
deposition
pattern
K.
Such
maneuver
enables
dendrite‐free
plating
within
interface
layer,
which
facilitates
construction
anode.
As
result,
symmetric
cell
modified
with
ZnTe@PCNF
demonstrates
lifespan
over
3100
h.
When
coupled
cathode,
full
delivers
capacity
retention
94%
after
500
cycles
at
1.0
A
g⁻¹,
showing
potential
development
practically
viable
batteries.
Chemical Society Reviews,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
This
review
explores
the
latest
advancements
in
potassium
metal
batteries,
including
electrode
design,
interface
engineering,
and
electrolyte
optimization
to
suppress
dendrite
formation
enhance
cycling
stability.
Langmuir,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 7, 2025
The
recovery
of
valuable
materials
from
spent
lithium-ion
batteries
(LIBs)
has
experienced
increasing
demand
in
recent
years.
Current
recycling
technologies
are
typically
energy-intensive
and
often
plagued
by
high
operation
costs,
low
processing
efficiency,
environmental
pollution
concerns.
In
this
study,
an
efficient
environmentally
friendly
dielectrophoresis
(DEP)-based
approach
is
proposed
to
separate
the
main
components
"black
mass"
mixtures
LIBs,
specifically
lithium
iron
phosphate
(LFP)
graphite,
based
on
their
polarizability
differences.
A
custom-designed
microparticle
separator
developed
for
continuous
separation
LFP
graphite
at
throughput.
Additionally,
a
theoretical
model
incorporating
both
electric
flow
fields
constructed
predict
DEP
behavior
particle
streams.
feasibility
selective
theoretically
evaluated
through
numerical
simulation
trajectories
binary
within
separator,
these
results
experimentally
validated
with
good
agreement.
Under
streamflow
rate
10.8
mL/min,
simulations
experiments
demonstrate
efficiency
higher
than
80%
100
V.
Furthermore,
influence
operating
parameters,
such
as
applied
voltage,
rate,
sheath-to-feed
ratio,
optimal
purity
numerically
investigated.
potential
other
lithium-metal-oxide-containing
also
explored
simulations.
Overall,
study
provides
foundation
development
high-performance
sustainable
LIB
processes
energy
consumption.
Journal of Materials Chemistry A,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
Based
on
the
Kirkendall
effect,
hollow
MoS
2
nanospheres
with
a
1T
phase
and
expanded
layer
structure
are
prepared,
which
can
reduce
ion
diffusion
barrier
alleviate
volume
changes,
leading
to
superior
Mg-diffusion
kinetics
durability.
Langmuir,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 6, 2025
Tin-based
sulfides,
possessing
a
unique
layered
structure
and
high
theoretical
capacity,
stand
as
highly
prospective
contenders
for
anode
materials
in
lithium-ion
batteries
(LIBs).
Nevertheless,
the
pronounced
volume
expansion
that
occurs
during
lithium
storage
poor
capacity
retention
have
limited
its
progress
toward
commercialization.
Herein,
we
designed
prepared
SnS
The
low-cost
and
high-capacity
SiOx
is
widely
recognized
as
an
ideal
anode
material
for
lithium
storage;
however,
the
challenges
of
low
conductivity
significant
volume
expansion
still
need
to
be
addressed.
In
this
work,
we
incorporated
into
a
lignin-derived
carbon
with
elevated
nitrogen
content
through
step-by-step
carbonization
strategy.
Initially,
electrostatic
assembly
facilitated
formation
complex
comprising
modified
lignin
SiO2,
which
was
subsequently
subjected
etching
steps.
Finally,
due
zinc
species
inhibiting
decomposition,
cocarbonization
porous
carbon/SiOx
complex,
oxalate,
melamine
enabled
construction
nitrogen-enriched
composite.
resulting
composite
exhibited
moderate
specific
surface
area,
abundant
mesoporous
channels,
exceptionally
high
doping
17.91
at.
%.
These
characteristics
effectively
enhanced
storage
transportation
ions
while
mitigating
expansion.
As
anodes
in
half
batteries,
reversible
capacity
optimized
reached
894
mAh/g
during
stable
cycles,
attributed
ion
diffusion
rate
kinetics
from
well
improved
structural
stability
encapsulated
structure.
Furthermore,
assembled
lithium-ion
capacitor
demonstrated
energy
density
82
Wh/kg
maintained
retention
93.1%
after
undergoing
15,000
cycles.
This
work
presents
novel
concept
synthesis
nitrogen-rich
matrixes
but
also
offers
insights
optimization
silicon-based
negative
electrodes
using
green
biomass.
