Global Challenges,
Journal Year:
2024,
Volume and Issue:
9(1)
Published: Nov. 25, 2024
Abstract
Porous
structures
offer
several
key
advantages
in
energy
harvesting,
making
them
highly
effective
for
enhancing
the
performance
of
piezoelectric
and
triboelectric
nanogenerators
(PENG
TENG).
Their
high
surface
area‐to‐volume
ratio
improves
charge
accumulation
electrostatic
induction,
which
are
critical
efficient
conversion.
Additionally,
their
lightweight
flexible
nature
allows
easy
integration
into
wearable
electronics.
These
combined
properties
make
porous
materials
a
powerful
solution
addressing
efficiency
limitations
that
have
traditionally
restricted
nanogenerators.
Recognizing
these
benefits,
this
review
focuses
on
essential
role
play
advancing
PENG
TENG
technologies.
It
examines
wide
range
materials,
including
aerogels,
nano‐porous
films,
sponges,
2D
explaining
how
unique
contribute
to
higher
harvesting
efficiency.
The
also
explores
recent
breakthroughs
development
demonstrating
they
overcome
challenges
open
up
new
possibilities
practical
applications.
advancements
position
as
strong
candidates
use
electronics,
smart
textiles,
Internet
Things
(IoT)
devices.
By
exploring
innovations,
underscores
importance
driving
future
SusMat,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 22, 2024
Abstract
Benefiting
from
the
high
sensitivity
and
electromechanical
conversion
efficiency,
triboelectric
nanogenerators
(TENGs)
are
widely
used
in
various
fields
of
self‐powered
sensing
mechanical
energy
harvesting,
which
have
great
potential
for
application
future
smart
Internet
Things.
The
development
sustainable
materials
with
high‐performance
has
a
vital
impact
on
construction
TENG
devices
that
combine
high‐output
performance
environmental
friendliness,
positive
humanity.
This
review
systematically
comprehensively
summarizes
latest
research
work
TENG's
materials.
First,
an
overall
overview
is
provided
based
composition
materials,
including
amino
acids,
polysaccharides,
synthetic
polymer,
representative
works
further
classified
summarized
detail.
In
addition,
progress
harvesting
applications
also
summarized.
Finally,
overviews
challenges
current
material,
related
outlooks
offered
corresponding
strategies
directions
this
field
future.
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
35(2)
Published: Oct. 17, 2024
Abstract
Woody
biomass
is
an
abundant
renewable
resource.
In
this
study,
aerogels
for
versatile
triboelectric
devices
are
fabricated
from
poplar
via
a
dissolution‐and‐regeneration
method
with
concentrated
lithium
bromide
solution
as
the
solvent.
To
improve
aerogels'
structural
homogeneity,
two
treatments—ball‐milling
raw
woody
before
its
dissolution,
and,
separately,
ultrasonication
following
dissolution—were
applied.
These
treatments
altered
porous
structures
and
mechanical
properties
of
resulting
aerogels,
leading
to
marked
increase
in
their
performance.
Removing
majority
lignin
was
also
explored,
resulted
output
≈5
times
greater
than
that
pristine
aerogel
(i.e.,
without
ball
milling,
ultrasonication,
or
reduction).
The
underlying
mechanisms
such
increases
were
found
be
both
chemical
physical.
Next,
using
optimal
low‐lignin)
energy
harvesting
biomechanical
monitoring.
able
to:
1)
respond
sensitively
force,
likely
due
aerogel's
structures;
2)
capture
energy,
charge
capacitors,
power
small
portable
electronics;
3)
monitor
movements
including
respiration,
joint
motions,
gait‐pattern
changes.
Applied Sciences,
Journal Year:
2025,
Volume and Issue:
15(8), P. 4247 - 4247
Published: April 11, 2025
The
growing
global
demand
for
sustainable
energy
solutions
has
led
to
increased
interest
in
kinetic
harvesting
as
a
viable
alternative
traditional
power
sources.
High-foot-traffic
environments,
such
public
spaces
and
religious
sites,
generate
significant
mechanical
that
often
remains
untapped.
This
study
explores
energy-harvesting
technologies
applicable
areas
with
heavy
foot
traffic,
focusing
on
Al-Haram
Mosque
Saudi
Arabia—one
of
the
most
densely
populated
sites
world.
research
investigates
potential
piezoelectric,
triboelectric,
hybrid
systems
convert
pedestrian
traffic
into
electrical
energy,
addressing
challenges
efficiency,
durability,
scalability,
integration
existing
infrastructure.
Piezoelectric
materials,
including
PVDF
BaTiO3,
effectively
stress
from
footsteps
electricity,
while
triboelectric
nanogenerators
(TENGs)
utilize
contact
electrification
lightweight,
flexible
capture.
In
addition,
this
examines
material
innovations
3D-printed
biomimetic
structures,
MXene-based
composites
(MXene
is
two-dimensional
made
transition
metal
carbides,
nitrides,
carbonitrides),
improve
longevity
scalability
high-density
footfall
environments.
Proposed
applications
include
mats
embedded
piezoelectric
elements
IoT
devices,
LED
lighting,
environmental
sensors.
While
remain
degradation,
cost,
emerging
advanced
present
promising
pathway
toward
sustainable,
self-powered
infrastructure
large-scale,
high-foot-traffic
settings.
These
findings
offer
transformative
approach
sustainability,
reducing
reliance
sources
contributing
Arabia’s
Vision
2030
renewable
adoption.
ACS Applied Electronic Materials,
Journal Year:
2024,
Volume and Issue:
6(9), P. 6671 - 6680
Published: Aug. 23, 2024
Shore-based
water
wave
energy
is
a
clean
and
renewable
source
generated
by
waves
crashing
against
the
shoreline.
This
work
presents
multifaceted
fluff
driven
noninertial
Halbach
array-based
triboelectric-electromagnetic
hybrid
generator
(FH-HG)
designed
to
harvest
energy.
Compared
inertial
drive
systems
that
excite
entire
device,
only
needs
driving
plate
part,
directly
converting
mechanical
of
into
electrical
energy,
thus
reducing
intermediate
steps
losses.
The
integrates
eight
triboelectric
nanogenerators
(TENGs),
significantly
enhancing
space
utilization.
Additionally,
electromagnetic
(H-EMG)
provides
counterweights
on
both
sides
TENG
(F-TENG),
further
Experimental
verification
identified
parallel
connection
EMG
as
optimal.
Results
show
maximum
volumetric
power
densities
1.97
2.79
W/m3
for
F-TENG
H-EMG,
respectively.
polycarbonate
(PC)
design
array
structure
enhance
high-voltage
output
abrasion
resistance,
compensating
EMG's
low-voltage
drawbacks
making
large-scale
capture
feasible.
high-performance
FH-HG
can
electronic
devices
wireless
real-time
marine
environment
monitoring
coastal
city
supply,
offering
promising
solution
harvesting.