ACS Applied Materials & Interfaces,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 12, 2025
Silicon
suboxide
(SiOx)
anode
materials
are
sought
to
substitute
graphite-based
anodes
due
their
high
theoretical
capacity
and
lower
volume
expansibility.
Present
chemical
vapor
deposition
industrial
production
inevitably
produces
about
15
wt
%
submicro
SiOx
wastes.
To
improve
the
reuse
of
wastes
in
a
more
economical,
efficient,
sustainable
way,
present
research
focuses
on
exploring
spherical
porous
SiOx/poly(acrylic
acid)
(PAA)
microparticles
via
spray-drying
process
enhance
resilience
adhesivity.
The
PAA
polymer
membrane
uniformly
coats
matrix
strong
hydrogen
bond
interactions,
providing
mechanical
strength
whole
particles.
availability
also
possesses
excellent
electrochemical
stability
adhesion,
remaining
almost
free
from
pulverization
during
cycling.
In
half-cell
testing,
synthesized
micro
SiOx/PAA
particles
demonstrate
higher
initial
efficiency
68%
compared
that
reversible
1102
mAh
g-1
with
fading
rate
0.036%
per
cycle
after
200
cycles
at
2
A
g-1.
Even
1000
ultralong
cycles,
still
remains
above
full-cell
measurement
shows
160.25
for
600
suggesting
practicality
production.
Microsized
have
shown
impressive
performance,
achieving
Coulombic
(>99.8%),
exceptional
capability,
outstanding
cycling
over
cycles.
Green Chemistry,
Год журнала:
2023,
Номер
25(17), С. 6901 - 6913
Опубликована: Янв. 1, 2023
The
glycolysis
of
PET
catalyzed
by
hollow
micro-sized
nanoaggregates
is
a
highly
effective
and
sustainable
way
to
tackle
the
escalating
plastic
waste
problem
create
circular
economy.
Colloids and Surfaces A Physicochemical and Engineering Aspects,
Год журнала:
2024,
Номер
694, С. 134097 - 134097
Опубликована: Май 1, 2024
It
has
been
recognised
that
turbulence
shear
can
be
used
to
effectively
control
and
affect
the
synthesis
of
micro/nano
particles.
The
present
study
focuses
on
turbulence-assisted
controllable
silica
(SiO2)
particles
investigates
such
process
using
a
counter
axial-swirling
impinging
jet
flow
vortex
reactor.
Two
swirling
streams
impinge
in
reaction
chamber
significantly
intensify
local
with
aid
ultrasound
irradiation.
consequence
turbulent
leads
either
trapping
nano-particle
nucleus
into
eddies
form
aggregated
micro/nana
or
confinement
growth
agglomerated
so
as
highly
uniform
better
morphological
experimental
results
have
affirmed
postulation
generated
by
length
scales
down
Kolmogorov
scale
may
directly
interact
SiO2
particles,
influencing
particle
spherical
morphology
size
distribution.
In
addition,
it
found
performance
further
improved
intensifying
through
irradiation
process.
Both
CFD
simulation
clearly
indicate
existence
correlation
synthesized
characteristics
mass
transfer
occurring
swirl
flow.
Acta Biomaterialia,
Год журнала:
2024,
Номер
181, С. 453 - 468
Опубликована: Май 7, 2024
Silicate-based
bioactive
glass
nano/microspheres
hold
significant
promise
for
bone
substitution
by
facilitating
osteointegration
through
the
release
of
biologically
active
ions
and
formation
a
biomimetic
apatite
layer.
Cu-doping
enhances
properties
such
as
pro-angiogenic
antibacterial
behavior.
While
sol-gel
methods
usually
yield
homogeneous
spherical
particles
pure
silica
or
binary
glasses,
synthesizing
poorly
aggregated
Cu-doped
ternary
nano/microparticles
without
secondary
CuO
crystalline
phase
remains
challenging.
This
article
introduces
an
alternative
method
fabricating
microparticles
using
chemistry
combined
with
spray-drying.
The
resulting
microspheres
exhibit
well-defined,
shapes
diameters
few
microns.
Copper
primarily
integrates
into
Cu0
nanoparticles
Cu2+
within
amorphous
network.
doping
affects
network
connectivity,
calcium
phosphorus
are
preferentially
distributed
in
(respectively
modifiers
formers)
involved
phosphate
nano-domains
depending
on
rate.
These
differences
affect
interaction
simulated
body
fluid.
Network
depolymerization,
ion
(SiO44−,
Ca2+,
PO43−,
Cu2+),
nanocrystal
layer
impacted,
well
copper
release.
latter
is
mainly
provided
not
from
metal
nanoparticles,
most
which
remain
after
interaction.
understanding
holds
promising
implications
potential
therapeutic
applications,
offering
possibilities
both
short-term
long-term
delivery
tunable
dose.
A
novel
methodology,
scalable
to
industrial
levels,
enables
synthesis
copper-doped
combining
spray-drying
chemistry.
It
provides
precise
control
over
percentage
microspheres.
study
explores
influence
conditions
environment,
notably
ratios,
characterized
EPR
spectroscopy,
aspect
described
glass.
Additionally,
indirectly
connectivity
calcium/phosphorus
distribution,
revealed
SSNMR.
Multiscale
characterization
illustrates
how
these
features
impact
acellular
degradation
fluid,
highlighting
customizable
dosing
address
short-
needs.
