Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(27)
Published: Feb. 21, 2024
Abstract
Silicon
oxide
(SiO
x
)
material
is
gradually
developing
as
a
promising
alternative
to
silicon
due
better
trade‐off
in
terms
of
volume
expansion
and
theoretical
capacity.
However,
the
low
conductivity
instability
electrode–electrolyte
interface
caused
by
penetration
fluorine
anion
(F
−
severely
affect
stability
solid
electrolyte
interphase
(SEI),
ultimately
leading
capacity
loss
cycling
instability.
In
this
work,
an
“ionic
fence”
idea
proposed,
which
effectively
inhibits
shuttle
F
promotes
SEI.
Based
on
this,
dense
orderly
silicon‐based
interconnected
assembly
covered
TiN
protective
ionic
fence
designed
using
melt‐assembly
technique
nitridation
strategy.
After
1000
deep
cycles,
can
be
maintained
at
431.7
mA
h
g
−1
,
average
Coulombic
efficiency
reach
99.69%
throughout
process,
even
steady
state
after
2000
showing
excellent
electrochemical
stability.
Finite
element
analysis
reveals
that
fence,
stress
management
layer,
constrains
materials
improves
mechanical
structural
particles
fully
lithiated
state,
thus
ensuring
long‐term
Selective
design
for
has
great
universality
development
potential
building
stable
electrode
materials.
Chemical Science,
Journal Year:
2024,
Volume and Issue:
15(27), P. 10281 - 10307
Published: Jan. 1, 2024
Delving
into
the
tools
empowering
polymer
chemists
to
design
polymers
for
roles
as
solid
electrolytes,
multifunctional
binders
and
active
electrode
materials
in
cutting-edge
solid-state
batteries
wearable
devices.
Energy & Fuels,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 30, 2024
The
ever
increasing
demand
for
a
wide
range
of
energy
storage
applications
requires
lithium
ion
batteries
(LIBs)
high
and
power
densities.
Traditional
anode
materials
like
graphite
are
unable
to
meet
these
requirements
due
their
low
theoretical
capacity
safety
issues.
In
this
context,
alloy
demonstrate
great
potential
be
used
as
propitious
alternative
realizing
density
LIBs,
on
account
unique
characteristics
such
exceptionally
capacities,
moderate
operating
potential,
environmental
benignity,
safety,
abundance.
However,
widespread
use
has
been
hindered
by
poor
cycle
life
first
irreversible
capacity,
which
stem
from
adverse
volume
expansion
consequent
fracturing
electrode.
Tremendous
research
efforts
have
devoted
ameliorating
problems,
fruitful
results
being
reported.
This
review
discusses
the
different
alloy-based
in
major
challenges
experienced
materials,
recent
progress
made
improving
electrochemical
performance.
Energy Technology,
Journal Year:
2024,
Volume and Issue:
12(8)
Published: May 21, 2024
Si‐based
materials
are
taken
into
consideration
as
suitable
anode
for
lithium‐ion
(Li‐ion)
batteries
due
to
their
high
specific
capacity.
However,
cycle
life
is
limited
volumetric
changes
during
discharging
and
charging
in
Li‐ion
battery
(LIB).
Silica
(SiO
2
)
abundantly
present
nature,
but
standalone
delivers
moderate
Li
storage
Commercially,
graphite
considered
efficient
LIB.
The
current
research
focuses
on
improving
the
performance
of
silica
material
achieve
best
capacity
LIBs.
Herein,
core‐shell‐structured
silica/porous
carbon
composite
(50:50,
wt%)
synthesized
using
a
hydrothermal
method.
shell
porous
not
only
covers
core
also
provides
very
surface
area
≈1057
m
g
−1
composite.
acts
an
active
half‐cell,
which
shows
≈642
mAh
at
700
cycles
100
mA
density
retention
≈97%.
helps
uniform
percolation
electrolyte.
It
conducting
path
electrons
further
reduces
diffusion
time
by
producing
more
sites.
core‐silica
suppress
that
happen
lithiation
de‐lithiation
process.
Due
these
advantages,
consistent
stable
cycling
over
large
number
cycles.
Chemical Communications,
Journal Year:
2024,
Volume and Issue:
60(75), P. 10245 - 10264
Published: Jan. 1, 2024
As
industries
and
consumption
patterns
evolve,
new
electrical
appliances
are
increasingly
playing
critical
roles
in
national
production,
defense,
cognitive
exploration.
However,
the
slow
development
of
energy
storage
devices
with
ultra-high
density
(beyond
500
W
h
kg
