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.
Materials Science and Engineering R Reports,
Journal Year:
2023,
Volume and Issue:
157, P. 100763 - 100763
Published: Dec. 9, 2023
To
cater
to
the
extensive
body
movements
and
deformations
necessitated
by
biomedical
equipment
flexible
piezoelectrics
emerge
as
a
promising
solution
for
energy
harvesting.
This
review
research
delves
into
potential
of
Flexible
Piezoelectric
Materials
(FPM)
sustainable
clean
affordable
energy,
aligning
with
United
Nations'
Sustainable
Development
Goals
(SDGs).
By
systematically
examining
secondary
functions
stretchability,
hybrid
harvesting,
self-healing,
study
aims
comprehensively
understand
these
materials'
mechanisms,
strategies,
relationships
between
structural
characteristics
properties.
The
highlights
significance
designing
piezoelectric
materials
that
can
conform
curvilinear
shape
human
body,
enabling
efficient
mechanical
capture
various
applications,
such
biosensors
actuators.
identifies
critical
areas
future
investigation,
including
commercialization
stretchable
systems,
prevention
unintended
interference
in
harvesters,
development
consistent
wearability
metrics,
enhancement
elastic
material,
electrode
circuit,
substrate
improved
stretchability
comfort.
In
conclusion,
this
offers
valuable
insights
developing
implementing
FPM
innovative
approach
harnessing
clean,
line
SDGs.
Materials Chemistry and Physics,
Journal Year:
2023,
Volume and Issue:
305, P. 127960 - 127960
Published: May 20, 2023
Bone
tissue
possesses
piezoelectric
properties,
allowing
mechanical
forces
to
be
converted
into
electrical
potentials.
Piezoelectricity
has
been
demonstrated
play
a
crucial
role
in
bone
remodelling
and
adaptability.
models
that
consider
strain
adaptation,
both
with
without
effects,
were
simulated
validated
this
study.
This
simulation
help
better
comprehend
the
interplay
between
stimulations
during
these
processes.
study
aimed
optimise
modelling
of
effects
analysis.
The
connection
loads
applied
bones
resulting
charges
generated
by
effect
was
examined.
Furthermore,
mathematical
techniques
employed
enhance
promote
growth
repair.
findings
from
research
have
substantial
implications
for
developing
novel
therapies
bone-related
diseases
injuries.
It
observed
electrically
stimulated
surfaces
increased
deposition.
In
some
instances
physical
disability
or
osteoporosis,
therapeutic
stimulation
can
supplement
stresses
regular
exercise
prevent
loss.
Consequently,
method
on
software
platform
enables
easy
application
repetition
finite
element
significantly
benefits
tissue/biomedical
engineering,
particularly
remodelling,
healing,
Journal of Materials Science Materials in Electronics,
Journal Year:
2024,
Volume and Issue:
35(24)
Published: Aug. 1, 2024
Abstract
The
3D
printing
of
energy
harvesters
using
earth-abundant
and
non-toxic
elements
promotes
sustainability
market
competitiveness.
semiconducting
behavior
non-centrosymmetric
wurtzite
crystal
structure
gallium-doped
zinc
oxide
(GZO)
films
make
them
attractive
for
thermoelectric
piezoelectric
nanogenerators.
This
study
investigates
the
thermal,
structural,
mechanical,
thermoelectric,
properties
3D-printed
GZO
nanocomposite
films.
Thermal
analysis
demonstrates
stability
film
up
to
230
°C,
making
it
suitable
wearable
harvesters.
crystalline
aligns
with
hexagonal
ZnO
displays
a
bulk-like
microstructure
uniform
distribution
elements.
presence
Ga
2p,
Zn
O
1
s,
C
s
core
levels
confirms
development
film,
characterized
by
fine
granular
conductive
domain
compared
neat
resin
film.
inclusion
nanofillers
tailors
stress–strain
enhancing
flexibility.
demonstrate
promising
power
factor
densities,
along
mechanical
flexibility
thermal
stability.
These
advancements
hold
significant
potential
hybrid
generation
technologies.
Chemical Communications,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 1, 2024
Organic
and
metal-free
molecules
with
piezoelectric
ferroelectric
properties
have
gained
wide
interest
for
their
applications
in
the
domain
of
mechanical
energy
harvesting
due
to
desirable
such
as
light
weight,
thermal
stability,
flexibility,
feasibility
achieve
high
Curie
temperatures,
ease
synthesis.
However,
understanding
design
these
materials
is
still
its
early
stages.
This
review
paper
presents
a
comprehensive
overview
fundamental
characterization
piezoelectricity
range
organic
ferro-
composites.
It
also
discusses
limitations
traditional
highlights
advantages
this
area
introduction
part.
In
addition,
provides
detailed
description
peptide-based
other
biomolecular
bio-friendly
alternative
current
materials.
perspective
aims
guide
researchers
designing
functional
composites
practical
highlight
future
perspectives
emerging
research.
Actuators,
Journal Year:
2023,
Volume and Issue:
12(7), P. 298 - 298
Published: July 22, 2023
This
paper
investigates,
through
numerical
simulations,
the
application
of
piezoelectric
materials
in
energy
generation.
The
mathematical
model
describes
a
U-shaped
portal
frame
system,
excited
by
an
engine
with
unbalanced
mass
and
coupled
to
nonlinear
sink
(NES),
which
is
used
as
passive
vibration
absorber.
influence
material
parameters
collection
dimensioning
NES
system
deeply
analyzed
this
paper.
Numerical
simulations
are
presented
considering
all
combinations
NES.
dynamics
were
phase
diagrams
0–1
test.
estimation
was
carried
out
calculating
average
power.
results
show
that
more
significant
potential
for
generation
obtained
certain
parameters,
well
chaotic
behavior
some
cases.
