Energies,
Journal Year:
2024,
Volume and Issue:
17(22), P. 5666 - 5666
Published: Nov. 13, 2024
There
is
a
growing
need
to
ensure
the
resilience
of
energy
and
water
systems
through
digitalization,
retrofit
these
for
cleaner
systems,
protect
public
safety
in
terms
quality.
This
requires
reliable
power
supply
that
could
be
provided
by
harnessing
unexploited
hidden
current
infrastructure
deployment
vortex-induced
vibration
harvesters.
Therefore,
being
able
understand
feasibility
deploying
devices
across
technical,
socioeconomic
environmental
scales
further
enhance
successful
integration
devices.
paper
aims
provide
systematic
review
investigating
development
harvester
technologies
key
methods
used
assess
their
application
feasibility.
study
PRISMA
guidelines,
139
articles
were
reviewed
synthesized.
The
trends
visualized,
illustrating
direction
harvesting
technology.
majority
studies
focused
on
technical
feasibility,
design
configuration,
limitation,
identification
most
optimal
environment.
results
revealed
huge
opportunity
harvesters,
especially
as
monitoring
sensors.
Nevertheless,
also
identified
knowledge
gap
when
it
comes
assessing
overall
currently
neglect
economic
impacts,
social
aspects
resilience.
Assessment
tools
will
help
fill
this
identifying
barriers
benefits
gained
from
integrating
technology
into
existing
systems.
Advanced Materials Technologies,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 6, 2025
Abstract
Low‐frequency
kinetic
energy,
abundant
in
the
ambient
environment,
presents
a
promising
source
for
powering
low‐power
devices
applications
such
as
marine
hydrographic
monitoring,
smart
city
construction,
and
self‐powered
wearable
devices.
Despite
its
potential,
efficiently
harvesting
energy
from
low‐frequency
motions
remains
significant
challenge.
This
review
provides
comprehensive
of
state‐of‐the‐art
harvesters,
focusing
on
their
device
architectures
underlying
mechanisms.
Key
approaches
discussed
include
frequency
upconversion
multistability
mechanisms
resonant
well
rotational
other
structures
nonresonant
harvesters.
By
analyzing
strengths,
limitations,
emerging
trends
these
technologies,
this
offers
valuable
insights
into
advancing
solutions.
Smart Materials and Structures,
Journal Year:
2024,
Volume and Issue:
33(10), P. 105018 - 105018
Published: Sept. 2, 2024
Abstract
Wave
energy
is
a
widespread
clean
source,
but
harvesting
low-frequency
wave
efficiently
remains
challenge.
In
this
paper,
frequency-increasing
piezoelectric
harvester
(FPWEH)
based
on
gear
mechanism
and
magnetic
rotor
proposed.
The
transforms
the
vertical
motion
of
into
higher-frequency
rotational
rotor.
equipped
with
several
rotating
magnets
one
revolution
enables
multiple
excitations
cantilevers.
Therefore,
excitation
frequency
increased,
so
that
FPWEH
can
obtain
better
output
performance.
major
factors
influencing
performance
are
determined
through
theoretical
simulation
analysis,
test
system
to
simulate
environment
established.
According
experimental
findings,
generate
an
voltage
69.82
V
maximum
power
28.33
mW
when
external
resistance
20
kΩ.
It
also
successfully
thermohygrometer
light-emitting
diodes.
These
results
validate
feasibility
for
providing
electricity
electronics
low
requirements.
This
research
offers
novel
approach
energy.
Micromachines,
Journal Year:
2025,
Volume and Issue:
16(3), P. 252 - 252
Published: Feb. 24, 2025
Wave
energy
is
one
of
the
most
reliable
and
promising
renewable
sources
that
has
attracted
lots
attention,
including
piezoelectric
wave
harvesting
devices.
One
challenges
for
power
generation
relatively
low-frequency
environments
in
ocean.
Magnetic
excitations
are
techniques
used
to
overcome
this
issue.
However,
there
a
lack
understanding
mechanisms
maximize
electric
output
harvesters
through
magnetic
excitations.
In
present
study,
excitation
experiments
were
conducted
investigate
coupled
spring
pendulum
harvester
under
various
field
conditions.
Firstly,
mass
load
magnet
can
induce
resonance
phenomenon
elements
was
experimentally
determined.
Then,
tested
different
spacings.
Finally,
influence
distribution
patterns
magnets
on
performance
tested.
It
found
conditions
2
g,
spacing
4
mm,
two
stacked
inner
pendulum,
optimum
achieved
with
peak-to-peak
voltage
39
V.
The
outcome
study
provides
new
insight
devices
increase
feasibility
efficiency
conversion
electrical
energy.
IEEE Transactions on Power Electronics,
Journal Year:
2024,
Volume and Issue:
39(6), P. 7643 - 7653
Published: Feb. 26, 2024
Synchronized
rectifiers
offer
promising
solutions
for
piezoelectric
energy
harvesting;
however,
achieving
the
promised
extraction
performance
necessitates
using
either
a
bulky
inductor
or
multiple
large
capacitors,
which
cannot
be
on-chip
integrated
and
increase
system
form
factor.
This
paper
introduces
fully
sequenced
synchronized
switch
harvesting
on
capacitors
(3SHC)
rectifier.
The
input
transducer
(PT)
uses
microelectromechanical
(MEMS)
technology.
cantilever
is
equally
split
into
strongly
coupled
sub-cantilevers,
with
each
treated
as
an
individual
PT
connected
to
proposed
3SHC
rectifier
cyclically
operates
times
synchronously
flip
voltage
of
sequentially.
With
design,
all
flying
only
need
match
capacitance
sub-cantilever;
hence,
they
can
on-chip.
design
fabricated
standard
0.18μm
CMOS
Measurement
results
show
that
attains
80%
efficiency
achieves
730%
power
enhancement
compared
full-bridge
