Owing
to
the
escalating
adoption
of
IoT
systems
across
various
domains,
demand
for
mobile
and
wireless
power
sources
has
surged.
Although
conventional
batteries
typically
serve
as
energy
storage
components,
current
low-power
consumption
devices
necessitate
eco-friendly
alterna-tives.
In
this
study,
we
designed,
fabricated,
characterized
an
harvesting
device
that
repurposes
mechanical
vibrations.
A
three-beam
design
was
employed
harvest
a
broader
range
potential
frequencies.
Finite
element
models
were
simulated
ascertain
first
bending
moment
both
sets
beams.
nanostructured
piezoelectric
multilayer
film
made
ZnO
deposited
onto
AISI
304
steel
substrate,
photosensitive
resin
seismic
mass
implemented.
Low-cost
techniques
generating
minimal
environmental
waste
leveraged
in
fabrication
process.
The
using
spray
nebulization
technique
involving
recycled
materials
cost-effective
equipment.
Micrographs
layers
unveiled
presence
nanospheres
with
diameters
250
nm.
Employing
custom-made
shaker,
output
voltages
1.08
V
180
mV,
outputs
1.849
µW
16.2
nW
achieved
each
set
electrical
characterization
conducted
repurposing
objective.
Results in Engineering,
Journal Year:
2024,
Volume and Issue:
21, P. 101777 - 101777
Published: Jan. 11, 2024
This
paper
highlights
the
advancement
in
wind
energy
harvesting
using
piezoelectric
materials
to
produce
sustainable
power
generation.
It
is
a
highly
encouraging,
fascinating,
and
challenging
method
capture
from
materials.
The
purpose
of
this
research
evaluate
principal
characteristic
groups
that
affect
performance
provide
recommendations
for
further
improvement.
Piezoelectric
harvesters
(PEH)
can
electricity
low-power
electronic
devices,
which
additionally
possess
potential
boost
self-powered,
autonomous
devices.
objective
article
harvester
modeling
techniques.
After
establishing
fundamental
idea
Wind
Energy
Harvesters
(PWEHs),
it
next
examined
how
well
these
devices
function
structurally
where
their
stands
relation
various
phenomena,
including
vortex-induced
vibration,
flutter,
galloping.
A
cantilever
beam
connected
with
tip
body
typical
component
galloping
collection.
has
been
turned
into
mechanical
vibrations
ultimately
electrical
via
flutter
phenomena.
Fluttering-based
are
new
technology
provides
an
effective
replacement
conventional
turbines.
future
development
trend
PWEHs
anticipated.
most
current
developments
strategies
approaches
also
discussed
paper.
First,
materials,
then
shows
harvesters'
design.
displays
types
applications.
Finally,
some
challenges,
development,
recommendations.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 18, 2024
Abstract
Piezoelectric
energy
harvesting
captures
mechanical
from
a
number
of
sources,
such
as
vibrations,
the
movement
objects
and
bodies,
impact
events,
fluid
flow
to
generate
electric
power.
Such
power
can
be
employed
support
wireless
communication,
electronic
components,
ocean
monitoring,
tissue
engineering,
biomedical
devices.
A
variety
self‐powered
piezoelectric
sensors,
transducers,
actuators
have
been
produced
for
these
applications,
however
approaches
enhance
properties
materials
increase
device
performance
remain
challenging
frontier
research.
In
this
regard,
intrinsic
polarization
designed
or
deliberately
engineered
piezo‐generated
This
review
provides
insights
into
mechanisms
piezoelectricity
in
advanced
materials,
including
perovskites,
active
polymers,
natural
biomaterials,
with
focus
on
chemical
physical
strategies
piezo‐response
facilitate
their
integration
complex
systems.
Applications
soft
robotics
are
overviewed
by
highlighting
primary
figures
merits,
actuation
mechanisms,
relevant
applications.
Key
breakthroughs
valuable
further
improve
both
discussed,
together
critical
assessment
requirements
next‐generation
systems,
future
scientific
technological
solutions.
Iranian Polymer Journal,
Journal Year:
2024,
Volume and Issue:
33(8), P. 1065 - 1074
Published: April 15, 2024
Abstract
3D
printing,
particularly
“fused
filament
fabrication”
(FFF),
plays
a
crucial
role
in
Industry
4.
FFF
is
widely
used
for
creating
complex
structures
and
multi-material
parts
across
various
industries
such
as
food
industry,
fashion
manufacturing
sectors.
The
properties
of
FFF-produced
objects
are
remarkably
affected
by
printing
parameters.
This
study
explores
the
impact
parameters
addition
short
carbon
fibers
on
strength
polylactic
acid
(PLA)
printed
samples.
lowering
layer
height,
increasing
feed
rate
extrusion
temperature
boost
strength,
while
smaller
raster
angle
enhances
it.
Meanwhile,
an
improved
flexural
achieved
adjusting
temperature,
angle.
Higher
temperatures
enhance
tensile
microstructure,
reduce
porosity.
Lower
height
improves
(28.05%
increase
0.1
mm
height),
higher
boosts
strengths
(12.56%
improvement
7
3
/s
rate),
elevated
(14.49%
230
°C
temperature)
but
(14.44%
decrease).
Incorporating
PLA
negatively
affects
microstructure
increases
crystallinity,
raising
melting
cold-crystallization
temperature.
introduction
into
results
interplay
mechanical
thermal
properties.
Graphical
abstract
Biomacromolecules,
Journal Year:
2024,
Volume and Issue:
25(9), P. 5541 - 5591
Published: Aug. 12, 2024
The
future
development
of
wearable/implantable
sensing
and
medical
devices
relies
on
substrates
with
excellent
flexibility,
stability,
biocompatibility,
self-powered
capabilities.
Enhancing
the
energy
efficiency
convenience
is
crucial,
converting
external
mechanical
into
electrical
a
promising
strategy
for
long-term
advancement.
Poly(vinylidene
fluoride)
(PVDF),
known
its
piezoelectricity,
an
outstanding
representative
electroactive
polymer.
Ingeniously
designed
PVDF-based
polymers
have
been
fabricated
as
piezoelectric
various
applications.
Notably,
performance
platforms
determined
by
their
structural
characteristics
at
different
scales.
This
Review
highlights
how
researchers
can
strategically
engineer
structures
microscopic,
mesoscopic,
macroscopic
We
discuss
advanced
research
diverse
designs
in
biomedical
sensing,
disease
diagnosis,
treatment.
Ultimately,
we
try
to
give
perspectives
trends
biomedicine,
providing
valuable
insights
further
research.
Desalination,
Journal Year:
2024,
Volume and Issue:
574, P. 117277 - 117277
Published: Jan. 3, 2024
The
review
concludes
with
a
broad
spectrum
of
practical
applications
concerted
PVDF-CNM
membrane
materials
dedicated
for
liquid
and
gas
separation,
significant
focus
on
the
desalination
process.
research
is
carried
out
in
diverse
science
fields,
merging
chemistry
engineering
toward
frequently
multimodal
functionalities.
Hence,
there
high
demand
comprehensive
these
cutting-edge-materials
from
across
fundamental
sciences
technologies.
main
goals
work
are
linking
structure
PVDF
(phases)
CNMs
(carbon
atom
hybridization)
physico-chemical
properties
PVDF-CNMs
materials.
Moreover,
attention
was
paid
simplicity
generation
having
huge
potential
tuning
various
features
obtained
(e.g.,
hydrophilicity,
mechanical
properties,
catalytic
activity,
bioactivity).
Additionally,
new
directions
exploration
have
been
indicated.
Deleted Journal,
Journal Year:
2023,
Volume and Issue:
2, P. e9120076 - e9120076
Published: June 5, 2023
Polyvinylidene
difluoride
(PVDF)
derivatives
in
metal/PVDF/metal
(MPM)
sandwich
structures
have
been
studied
extensively
since
1969.
Cousin
copolymers
of
the
same
family
discovered
with
fascinating
piezoelectric,
pyroelectric,
electrocaloric,
and
ferroelectric
properties.
Solution
processing,
flexibility,
lightweight,
thermal
stability
make
this
class
materials
complementary
to
inorganics.
Thus,
PVDF
based
polymers
potentially
compete
inorganic
for
a
broad
range
technologies
such
as
energy
generators,
loudspeakers,
coolers,
memories.
However,
stable
non-electroactive
α-phase
hydrophobic
nature
are
main
barriers
developoing
high
performing
robust
MPM
devices
electronic
applications.
In
review,
we
present
an
up-to-date
overview
on
different
methods
induce
electroactive
β-phase
improve
adhesion
strength
metals
ensure
durable
devices.
We
go
through
advantages
disadvantages
several
pinpoint
future
opportunities
research
area.
A
special
attention
is
paid
wearable
piezoelectric
nanogenerators
harvesting
from
human
body
motion,
where
flexible
compared
rigid
ceramics.
While
coefficient
(d33
~
24–34
pm/V)
one
order
lower
than
ceramic
materials,
novel
co-polymers
display
d33
>
1000
pm/V
upon
bias.
This
shows
promise
bring
piezoelectrics
large-area
applications
smart
textiles.
also
discussed
challenges
wearability,
light
weight,
breathability,
flexibility.
