Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 17, 2024
Abstract
Stabilization
of
the
silicon‐based
anode
in
lithium‐ion
batteries
heavily
depends
on
electrolyte
engineering.
However,
despite
effectiveness
localized
high‐concentration
electrolytes
enhancing
battery
life,
most
studies
have
focused
solvents
and
lithium
salts,
highlighting
urgent
need
for
advanced
diluents
tailored
to
anodes.
Here,
a
nonflammable
with
weakly
lithiophilic
diluent
is
reported
by
introducing
methyl
perfluorobutyl
ether
into
mixture
bis(fluorosulfonyl)imide
1,2‐dimethoxyethane,
enhancement
anode.
The
diluents,
exhibiting
weak
solvation
tendency,
are
capable
forming
large
cluster‐like
structures
outermost
layer
shell
interacting
salts.
Therefore,
accelerates
transport
lithium‐ions
increases
probability
coordinating
anions,
leaving
robust
inorganic‐rich
solid
interphase
high
areal
capacity
(4.2
mAh
cm
−2
)
cells
constructed
anodes
nickel‐rich
cathodes
employing
this
electrolyte,
impressive
cycling
stability
82.1%
retention
after
200
cycles.
Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
14(40)
Published: Aug. 19, 2024
Abstract
The
integration
of
Si‐based
anodes
within
sulfide‐based
solid
electrolyte
(SSE)
Li‐ion
batteries
(LIB)
has
emerged
as
a
promising
avenue
research
and
development,
attracting
increasing
interest
in
recent
years.
This
work
comprehensively
examines
the
latest
directions
major
strides
this
field.
It
covers
key
advances
design
engineering
nano‐
micro‐structured
Si
anode
architectures,
strategies
surface
modification.
Additionally,
it
explores
impacts
external
pressure,
role
binders
conductive
additives,
implications
varying
particle
size.
Beyond
providing
detailed
account
evolution
SSE
LIBs,
also
identifies
critical
challenges
that
urgently
need
addressing.
These
include
electrochemical‐mechanical
behavior
failure
mechanism
for
structural
interface
modifications,
methods
preparing
electrodes,
advancements
high‐performance
SSEs,
development
scalable
technologies
thin
films.
Moreover,
discusses
high‐energy
cathodes
tailored
LIBs.
identified
priorities
are
set
to
offer
crucial
guidance
insights,
supporting
ongoing
investigations
innovations
dynamic
area
research.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 16, 2024
Abstract
Silicon
is
widely
recognized
as
an
ideal
anode
material
due
to
its
high
specific
capacity,
low
lithiation
potential,
abundance,
and
environmental
friendliness.
Nevertheless,
the
immense
volume
expansion
during
leads
pulverization
of
silicon
particles,
which
causes
electrode
failure
with
a
rapid
capacity
decay.
Herein,
polymerized
1,
3‐dioxolane
(PDOL)
electrolyte
used
stabilize
micro‐silicon
Si
via
in
situ
polymerization
route.
The
conformality
quasi‐solid
suppresses
microparticles
(SiMPs)
effectively
thus
alleviates
SiMPs/PDOL
shows
excellent
initial
CE
97.5%
maintains
reversible
1837.1
mAh
g
−1
at
500
mA
after
100
cycles.
Si/PDOL/LiFePO
4
full
cells
also
exhibit
stable
cycling
performance
retention
76.3%
300
This
work
provides
new
easy
path
for
practical
application
cost.
Abstract
Silicon
anodes
show
great
potential
for
next-generation
lithium-ion
batteries
due
to
their
exceptional
energy
storage
capacity.
However,
practical
application
is
hindered
by
challenges
such
as
significant
volume
changes
during
cycling
and
the
formation
of
unstable
interphases.
This
review
explores
recent
advancements
in
electrolyte
design
strategies
that
address
these
challenges.
A
thorough
analysis
various
solvent
systems,
salts,
functional
additives
examines
roles
stabilizing
interphases
mitigating
degradation
processes.
The
focuses
on
innovative
formulations
optimize
ionic
conductivity,
enhance
mechanical
resilience,
ensure
long-term
stability.
By
examining
interaction
between
components
silicon’s
unique
properties,
this
work
provides
a
framework
improving
performance
reliability
silicon-based
batteries,
which
will
facilitate
adoption
high-energy-density
applications.
Nanomaterials,
Journal Year:
2025,
Volume and Issue:
15(9), P. 661 - 661
Published: April 26, 2025
Silicon-based
materials
provide
a
new
pathway
to
break
through
the
energy
storage
limits
of
battery
systems
but
their
industrialization
process
is
still
constrained
by
inherent
diffusion
hysteresis
and
unstable
electrode
structures.
In
this
work,
we
propose
novel
structural
design
strategy
employing
modified
spray
freeze
drying
technique
construct
multidimensional
carbon
nanostructures.
The
continuous
morphological
transition
from
nanowires
nanosheets
was
facilitated
inducement
ultralow-temperature
phase
separation
effect
polymer
self-assembly.
unique
wrinkled
nanosheet
encapsulation
effectively
mitigated
stress
concentration
induced
aggregation
silicon
nanoparticles,
while
open
two-dimensional
structure
buffered
volume
changes
silicon.
As
expected,
SSC-5M
composite
retained
reversible
capacity
1279
mAh
g−1
after
100
cycles
at
0.2
C
(1
=
1700
g−1)
exhibited
retention
677.1
400
1
C,
demonstrating
excellent
cycling
stability.
This
study
offers
for
development
silicon-based
devices.
ChemSusChem,
Journal Year:
2024,
Volume and Issue:
unknown
Published: June 15, 2024
Abstract
Mitigating
the
growth
of
dendritic
lithium
(Li)
metal
on
silicon
(Si)
anodes
has
become
a
crucial
task
for
pursuit
long‐term
cycling
stability
high
energy
density
Si‐based
lithium‐ion
batteries
(LIBs)
under
fast
charging
or
other
specific
conditions.
While
it
is
widely
known
that
Li
plating
may
introduce
inferior
and
cause
safety
concerns,
evolution
anode/material
structure
electrochemical
performance
with
remains
largely
unexplored.
A
comprehensive
quantitative
investigation
hybrid
storage
mechanism,
combining
alloying/dealloying
mechanism
plating/stripping
been
conducted
to
explore
effect
anodes.
The
findings
reveal
accounts
decay
overall
Coulombic
efficiency
mechanism.
Furthermore,
alloying
reactions
occurring
below
0
V
encourage
formation
crystalline
15
Si
4
,
which
subsequently
exacerbates
voltage
hysteresis.
amplified
as
ratio
capacity
increases,
in
words,
over‐lithiation
level
rises,
thereby
posing
threat
battery‘s
stability.
These
results
provide
valuable
insights
into
design
advanced
electrodes
LIBs.
