Small,
Journal Year:
2023,
Volume and Issue:
20(11)
Published: Oct. 27, 2023
Abstract
The
exploitation
of
advanced
electromagnetic
functional
devices
is
perceived
as
the
effective
prescription
to
deal
with
environmental
contamination
and
energy
deficiency.
From
perspective
observing
imitating
nature,
pine
branch‐like
zirconium
dioxide/cobalt
nanotubes@nitrogen‐doped
carbon
nanotubes
are
synthesized
victoriously
through
maneuverable
electrospinning
process
follow‐up
thermal
treatments.
In
particular,
introducing
on
surface
hollow
nanofibers
construct
hierarchical
architecture
vastly
promoted
material's
dielectric
properties
by
significantly
augmenting
specific
area,
generating
abundant
heterogeneous
interfaces,
inducing
formation
defects.
Supplemented
synergistic
effect
between
each
constituent,
ultra‐strong
attenuation
capacity
perfect
impedance
matching
characteristics
implemented
simultaneously,
jointly
made
contributions
splendid
microwave
absorption
performance
a
minimum
reflection
loss
−67.9
dB
at
1.5
mm.
Moreover,
this
fibrous
absorber
also
exhibited
promising
potential
be
utilized
green
efficient
interference
shielding
material
when
filler
loading
enhanced.
Therefore,
design
philosophy
destined
inspire
future
development
conversion
storage
devices,
provide
theoretical
direction
for
creation
sophisticated
materials.
Nature Communications,
Journal Year:
2025,
Volume and Issue:
16(1)
Published: Jan. 2, 2025
Wireless
energy-responsive
systems
provide
a
foundational
platform
for
powering
and
operating
intelligent
devices.
However,
current
electronic
relying
on
complex
components
limit
their
effective
deployment
in
ambient
environment
seamless
integration
of
energy
harvesting,
storage,
sensing,
communication.
Here,
we
disclose
coupling
effect
electromagnetic
wave
absorption
moist-enabled
generation
carrier
transportation
interaction
regulated
by
ionic
diode
effect.
As
demonstration,
wireless
interactive
system
is
established
electromagnetic-moist
coupled
harvesting
signal
transmission
through
highly
integrated
polyelectrolyte/conjugated
conductive
polymer
bilayer
films
as
dynamic
energy-switching
carriers.
The
gradient
distribution
ions
within
the
films,
excited
moist
energy,
enables
rectification
further
endows
with
capability.
In
turn,
absorbed
drives
directional
migration
charge
carriers
internal
current.
By
rationally
regulating
electrolyte
dielectric
properties
diodes,
it
becomes
feasible
to
control
targeted
electric
signals
outputs
under
environment.
This
work
step
towards
enabling
enhanced
smart
interactivities
wirelessly
driven
flexible
electronics.
are
essential
study
demonstrates
an
using
fabricated
showing
improved
performance
potential
practical
applications.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 16, 2025
Designing
spent
graphite
anodes
from
lithium-ion
batteries
(LIBs)
for
applications
beyond
regenerated
offers
significant
potential
promoting
the
recycling
of
LIBs.
The
battery-grade
graphite,
characterized
by
a
highly
graphitized
structure,
demonstrates
excellent
conductive
loss
capabilities,
making
it
suitable
microwave
absorption.
During
Li-ion
intercalation
and
deintercalation
processes
in
battery
operation,
surface
layer
(SG)
becomes
activated,
forming
oxygen-rich
functional
groups
that
enhance
polarization
mechanism.
To
further
control
achieve
optimized
impedance
matching,
reduced
graphene
oxide
(rGO)
is
employed
as
modifier.
Herein,
rGO
serves
binder,
effectively
combining
individual
SG
particles.
matched
Fermi
levels
reduce
interfacial
barrier,
facilitating
rapid
electron
transfer.
Simultaneously,
their
combination
forms
3D
conduction
network,
which
not
only
enhances
multiple
scattering,
reflection,
attenuation
electromagnetic
waves
but
also
provides
abundant
centers
increased
As
result,
SG/rGO
aerogel
achieves
an
impressive
effective
absorption
bandwidth
7.04
GHz
accompanied
minimum
reflection
-51.1
dB.
This
study
broadens
scope
LIBs
utilization
insights
wilder
more
applications.
Macromolecular Rapid Communications,
Journal Year:
2024,
Volume and Issue:
45(5)
Published: Jan. 17, 2024
Abstract
This
study
provides
a
comprehensive
overview
of
the
preparation
methods
for
polyhedral
oligomeric
silsesquioxane
(POSS)
monomers
and
polymer/POSS
nanocomposites.
It
focuses
on
latest
advancements
in
using
POSS
to
design
polymer
nanocomposites
with
reduced
dielectric
constants.
The
emphasizes
exploring
potential
POSS,
either
alone
or
combination
other
materials,
decrease
constant
loss
various
polymers,
including
polyimides,
bismaleimide
resins,
poly(aryl
ether)s,
polybenzoxazines,
benzocyclobutene
polyolefins,
cyanate
ester
epoxy
resins.
In
addition,
research
investigates
impact
incorporating
improving
thermal
properties,
mechanical
surface
aspects
these
polymers.
entire
is
divided
into
two
parts,
discussing
systematically
role
reducing
constants
during
composites
both
physical
blending
chemical
synthesis
methods.
goal
this
provide
valuable
strategies
designing
new
generation
low
materials
suitable
large‐scale
integrated
circuits
semiconductor
domain.
