ACS Applied Materials & Interfaces,
Journal Year:
2021,
Volume and Issue:
13(44), P. 52202 - 52214
Published: Nov. 2, 2021
SiOx
(x
≈
1)
is
one
of
the
most
promising
anode
materials
for
application
in
secondary
lithium-ion
batteries
because
its
high
theoretical
capacity.
Despite
this
merit,
has
a
poor
initial
Coulombic
efficiency,
which
impedes
widespread
use.
To
overcome
limitation,
work,
we
successfully
demonstrate
novel
synthesis
Mg-doped
via
mass-producible
physical
vapor
deposition
method.
The
solid-state
reaction
between
Mg
and
produces
Si
electrochemically
inert
magnesium
silicate,
thus
increasing
efficiency.
doping
concentration
determines
phase
silicate
domains,
size
heterogeneity
these
two
domains.
Detailed
electron
microscopy
synchrotron-based
analysis
revealed
that
nanoscale
homogeneity
silicates
driven
by
cycling
significantly
affected
lifetime.
We
found
8
wt
%
optimized
enhanced
cyclability
MgSiO3,
dominant
composition,
can
be
homogeneously
mixed
with
silicon
clusters,
preventing
their
aggregation
during
suppressing
void
formation.
Nature Communications,
Journal Year:
2023,
Volume and Issue:
14(1)
Published: Jan. 26, 2023
Abstract
In
the
field
of
lithium-based
batteries,
there
is
often
a
substantial
divide
between
academic
research
and
industrial
market
needs.
This
in
part
driven
by
lack
peer-reviewed
publications
from
industry.
Here
we
present
non-academic
view
on
applied
batteries
to
sharpen
focus
help
bridge
gap
research.
We
our
discussion
key
metrics
challenges
be
considered
when
developing
new
technologies
this
also
explore
need
consider
various
performance
aspects
unison
material/technology.
Moreover,
investigate
suitability
supply
chains,
sustainability
materials
impact
system-level
cost
as
factors
that
accounted
for
working
technologies.
With
these
considerations
mind,
then
assess
latest
developments
battery
industry,
providing
views
prospects
Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
33(26)
Published: March 28, 2023
Abstract
As
one
of
the
most
electrochemical
energy
storage
devices,
lithium‐ion
batteries
(LIBs)
remain
workhorse
market
due
to
their
unparalleled
advantages.
Remarkably,
Si‐based
materials
play
a
pivotal
role
in
LIBs
anodes
owing
ultrahigh
theoretical
capacity
Si
and
rich
natural
resources.
However,
bulk
silicon
are
difficult
meet
current
commercial
demand
because
low
conductivity,
sluggish
reaction
kinetics,
huge
volume
expansion.
The
construction
porous
structures
has
been
acknowledged
as
an
effective
way
solve
above
issues.
Herein,
delicate
design
anode
including
synthetic
strategies,
engineering
surface
morphology
micro/nano‐structure,
regulation
different
compositions,
well
applications
is
systematically
summarized.
Particularly,
fine
pore
parameters
for
on
focus.
Importantly,
relationship
between
thick
electrodes
tortuosity/porosity,
structural
effect
pores
battery
performance
also
discussed
depth.
Finally,
full‐cells
achievements
briefly
described.
This
review
expected
provide
basic
understanding
deep
insight
into
developing
high‐energy
lithium
storage.
Deleted Journal,
Journal Year:
2022,
Volume and Issue:
1, P. e9120037 - e9120037
Published: Oct. 17, 2022
Silicon
(Si)
is
one
of
the
most
promising
anode
materials
for
high-energy
lithium-ion
batteries.
However,
widespread
application
Si-based
anodes
inhibited
by
large
volume
change,
unstable
solid
electrolyte
interphase,
and
poor
electrical
conductivity.
During
past
decade,
significant
efforts
have
been
made
to
overcome
these
major
challenges
toward
industrial
applications.
This
review
summarizes
recent
development
microscale
electrodes
fabricated
Si
microparticles
or
other
bulk
from
perspective
industrialization.
First,
are
clarified.
Second,
structural
design
strategies
stable
micro-sized
discussed.
Third,
critical
practical
metrics,
such
as
robust
binder
construction
design,
also
highlighted.
Finally,
future
trends
perspectives
on
commercialization
provided.
Advanced Functional Materials,
Journal Year:
2022,
Volume and Issue:
32(22)
Published: March 22, 2022
Abstract
Silicon
(Si)
is
one
of
the
most
promising
anode
candidates
to
further
push
energy
density
lithium
ion
batteries.
However,
its
practical
usage
still
hindered
by
parasitic
side
reactions
including
electrolyte
decomposition
and
continuous
breakage
(re‐)formation
solid
interphase
(SEI),
leading
consumption
active
lithium.
Pre‐lithiation
considered
a
highly
appealing
technique
compensate
for
losses.
A
critical
parameter
successful
pre‐lithiation
strategy
means
Li
metal
achieve
lithiation
material/composite
at
uniform
lateral
in‐depth
distribution
possible.
Despite
extensive
exploration
various
techniques,
controlling
amount
precisely
while
keeping
homogeneous
remains
challenging.
Here,
thermal
evaporation
as
novel
pure
Si
anodes
that
allows
both,
is,
precise
control
degree
deposition
surface
reported.
nucleation,
mechanical
cracking,
ongoing
phase
changes
are
thoroughly
evaluated.
The
terms
dry‐state
wet‐state
(without/with
electrolyte)
revisited.
Finally,
series
electrochemical
methods
performed
allow
direct
correlation
pre‐SEI
formation
with
performance
pre‐lithiated
Si.
Advanced Energy Materials,
Journal Year:
2023,
Volume and Issue:
13(28)
Published: June 9, 2023
Abstract
State‐of‐the‐art
carbon
coatings
are
sought
to
protect
high‐capacity
silicon
anodes,
which
suffer
from
low
conductivity,
large
volume
change
and
fast
degradation.
However,
this
approach
falls
short
when
handling
physical–electrical
disconnections
between
shells
microparticulate
(SiMP)
with
drastic
size
variations.
Here,
a
strategy
of
covalent
coating
is
developed
establish
robust
encapsulation
structure.
The
obtained
SiC
bonds
enable
an
effectively
dynamic
connection
the
electrochemically
deforming
SiMP
sliding
graphene
layers,
preventing
evolution
gaps
shell
maintaining
persistent
electrical
connections
as
well
mechanical
toughness.
As
result
high
structure
reversibility,
cycling
stability
thick
anodes
greatly
improved,
up
areal
capacity
5.6
mAh
cm
−2
volumetric
2564
−3
.
This
interface
bonding
effect
demonstrates
great
potential
for
suppressing
deformation
involved
degradation
materials
through
strategies.
Small,
Journal Year:
2023,
Volume and Issue:
19(42)
Published: June 20, 2023
High-capacity
silicon
has
been
regarded
as
one
of
the
most
promising
anodes
for
high-energy
lithium-ion
batteries.
However,
it
suffers
from
severe
volume
expansion,
particle
pulverization,
and
repeated
solid
electrolyte
interphase
(SEI)
growth,
which
leads
to
rapid
electrochemical
failure,
while
size
also
plays
key
role
here
its
effects
remain
elusive.
In
this
paper,
through
multiple-physical,
chemical,
synchrotron-based
characterizations,
evolutions
composition,
structure,
morphology,
surface
chemistry
with
ranging
50
5
µm
upon
cycling
are
benchmarked,
greatly
link
their
failure
discrepancies.
It
is
found
that
nano-
micro-silicon
undergo
similar
crystal
amorphous
phase
transition,
but
quite
different
composition
transition
de-/lithiation;
at
same
time,
1
µm-silicon
samples
present
obviously
mechanochemical
behaviors
sample,
such
electrode
crack,
pulverization/crack
well
expansion;
in
addition,
possess
much
thinner
SEI
layer
than
nano-silicon
cycling,
differences
compositions.
hoped
comprehensive
study
understanding
should
offer
critical
insights
into
exclusive
customized
modification
strategies
diverse
nano
microscale.
Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 30, 2024
Abstract
Silicon/carbon
(Si/C)
composites
present
great
potential
as
anode
materials
for
rechargeable
batteries
since
the
integrate
high
specific
capacity
and
preferable
cycling
stability
from
Si
C
components,
respectively.
Functional
Si/C
based
on
lignocellulose
have
attracted
wide
attention
due
to
advantages
lignocellulose,
including
sustainability
property,
flexible
structural
tunability,
diverse
physicochemical
functionality.
Although
flourishing
development
of
boosts
studies
lignocellulose‐derived
with
electrochemical
performance,
publications
that
comprehensively
clarify
design
functionalization
these
high‐profile
are
still
scarce.
Accordingly,
this
review
first
systematically
summarizes
recent
advances
in
after
a
brief
clarification
about
selection
sources
self
extraneous
sources.
Afterward,
strategies,
nanosizing,
porosification,
magnesiothermic
reduction
material
well
heteroatom
modification
material,
specifically
highlighted.
Besides,
applications
Si/C‐based
elaborated.
Finally,
discusses
challenges
prospects
application
energy
storage
provides
nuanced
viewpoint
regarding
topic.
Green Energy and Resources,
Journal Year:
2024,
Volume and Issue:
2(1), P. 100062 - 100062
Published: March 1, 2024
As
a
common
industrial
solid
waste,
fly
ash
requires
proper
processing
and
utilization
to
alleviate
environmental
pressure.
In
contrast
earlier
low-value
treatment
methods
for
ash,
such
as
its
use
in
construction
materials,
it
is
more
practical
explore
the
high-value
of
considering
elemental
ingredient
morphological
characteristics.
Herein,
this
work
comprehensively
reviews
research
progress
extracting
preparing
silica,
alumina,
zeolite
respectively
derived
from
silicon
aluminum
elements
ash.
Specifically,
mechanisms
processes
various
are
elucidated
detail,
virtues
drawbacks
production
technologies
compared
identify
economical
environmentally
friendly
method.
Importantly,
first
energy
storage
electrode
materials.
Different
synthesis
strategies
thoroughly
examined,
especially
fully
utilizing
primary
resource,
converting
into
Finally,
paper
summarizes
opportunities
challenges
associated
with