Advanced Sustainable Systems,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 20, 2024
Abstract
In
triboelectric
nanogenerators
(TENGs),
the
main
obstruction
to
application
as
a
sustainable
energy
source
is
their
loss.
Therefore,
it
necessary
develop
TENGs
with
significant
charge‐holding
capacity.
This
study
introduced
TENG
device
using
nickel
oxide–copper
oxide
(NC)
nanoparticles
(NPs)‐doped
polyvinylidene
fluoride
(PVDF)
electrospun
nanofibers
and
nitrile
gloves
tribonegative
tribopositive
materials,
respectively.
The
ratio
weight
percentage
of
NC
NPs
on
PVDF
surface
are
studied
optimized
improve
performance.
With
addition
6
wt%
50:50
(NC55)
matrix,
negative
static
potential
composite
nanofiber
(6PNC)
attained
saturation
value
−560
V
after
h.
2.9
times
higher
than
neat
(0PNC
−190
V).
Compared
0PNC
device,
6PNC
displayed
7.1‐fold
(57–408
V),
6.3‐fold
(1.6–10.2
µA),
8.6‐fold
(17–147
nC)
improvements
in
open‐circuit
voltage,
short‐circuit
current,
charge,
Finally,
used
charge
various
capacitors
illuminate
100
LEDs.
It
operated
effectively
low‐power
electronics
demonstrated
considerable
for
use
smart
wearable
sensors.
ACS Applied Electronic Materials,
Journal Year:
2024,
Volume and Issue:
6(1), P. 47 - 72
Published: Jan. 3, 2024
To
meet
future
demands
for
sustainable
and
environmentally
friendly
technology,
many
research
groups
are
focusing
on
triboelectric
nanogenerators
(TENGs),
which
can
scavenge
convert
the
available
mechanical
energy
into
electrical
energy.
Researchers
working
to
comprehend
influence
of
material
surfaces
as
well
properties
that
play
an
important
role
in
determining
overall
output
performance
TENGs.
The
selection
tribonegative
tribopositive
materials
based
charge
triboseries
different
processes
manufacturing
triboactive
its
surface
modification
roles
attaining
optimal
TENG
performance.
most
significant
is
polyvinylidene
fluoride
(PVDF),
electroactive
polar
β-crystalline
phase
responsible
higher
However,
PVDF
has
some
intrinsic
limitations
such
lower
conductivity
dipole
moment
nonpolar
α-crystalline
at
room
temperature.
Interestingly,
these
main
factors
determine
applications
harvesting
wearable
sensors.
In
this
review,
we
have
mainly
focused
varying
processing
methods
like
solution
casting,
3-D
printing,
spin
coating,
electrospinning
PVDF-based
effect
nanoscale
crystalline
also
studied
detail.
Additionally,
extensive
analysis
recent
advancements
health
monitoring,
sensors,
TENGs
included.
ACS Applied Electronic Materials,
Journal Year:
2024,
Volume and Issue:
6(2), P. 1161 - 1173
Published: Jan. 25, 2024
Triboelectric
nanogenerators
(TENGs)
are
renowned
for
capturing
large-scale
unused
energy
from
ambient
surroundings.
A
sustainable
TENG
can
meet
future
demands
without
contaminating
our
environment.
In
the
present
study,
we
have
synthesized
nickel
oxide
nanoparticles
(NiO
NPs)
via
coprecipitation
method.
Further,
NiO
NPs
were
doped
with
poly(vinylidene
fluoride)
(PVDF)
(0
to
9
wt
%
w.r.t.
PVDF
concentration)
prepare
PVDF-NiO
electrospun
nanofibrous
mat.
The
output
efficiency
was
calculated
in
terms
of
open-circuit
voltage
(Voc)
and
short-circuit
current
(Isc).
NiO-doped
thermoplastic
polyurethane
(TPU)-based
generated
enhanced
performance
compared
pristine
(P-Ni-0)/TPU-based
TENG.
Among
six
combinations
samples
fabricated,
7
(P-Ni-7)/TPU-based
utmost
252
V,
which
is
almost
22-fold
higher
than
P-Ni-0/TPU
triboelectric
pair
(11.5
V).
Similarly,
maximum
achieved
7.3
μA,
a
9-fold
enhancement
over
(0.8
μA).
power
density
optimized
((P-Ni-7)/TPU)
0.86
mW/m2,
it
directly
used
light
up
15
LEDs.
Furthermore,
flexible
self-powered
P-Ni-7/TPU-based
device
demonstrated
real-time
biomechanical
motion
measurements.
Overall,
this
work
disclosed
facile
technique
doping
into
matrix,
fabricated
when
mechanical
harvesting
power-supplying
systems
miniaturized
wearable
electronic
devices.
Heliyon,
Journal Year:
2024,
Volume and Issue:
10(7), P. e29192 - e29192
Published: April 1, 2024
Flexible
electrospun
fiber-based
piezoelectric
nanogenerator
(PENG)
has
attracted
a
lot
of
interest
due
to
its
ability
generating
electrical
energy
from
mechanical
sources.
The
present
work
aims
improve
the
output
PENG
devices
based
on
polyvinylidene
fluoride
(PVDF)
doped
with
nickel
oxide
nanoparticles
(NiO
NPs)
in
different
concentrations
(2,
4,
6,
8
and
10
wt.-%).
Crystalline
phase
changes
β-crystalline
content
fibers
were
evaluated
using
XRD
FTIR-ATR,
respectively.
Surface
morphology
surface
roughness
observed
FE-SEM
AFM,
hydrophobic
nature
was
analyzed
wettability
test.
voltage
short-circuit
current
performance
neat
PVDF
NiO
(PN)
composite
calculated
customized
variable-pressure
setup
an
optimized
force
1.0
kgf
Hz
frequency.
Neat
PVDF-based
exhibited
only
1.7
V
0.7
μA,
whereas,
6
wt.-%
NP
(PN-6)
generated
high
5.5
1.83
μA
current.
PN-6
device
is
demonstrated
for
use
wearable
towards
identifying
certain
body
movements
like
tapping,
wrist
movement,
walking
running.
Processes,
Journal Year:
2023,
Volume and Issue:
11(9), P. 2796 - 2796
Published: Sept. 20, 2023
Triboelectric
nanogenerators
(TENGs)
are
emerging
as
a
form
of
sustainable
and
renewable
technology
for
harvesting
wasted
mechanical
energy
in
nature,
such
motion,
waves,
wind,
vibrations.
TENG
devices
generate
electricity
through
the
cyclic
working
principle
contact
separation
tribo-material
couples.
This
is
used
outstanding
applications
generation,
human
care,
medicinal,
biomedical,
industrial
applications.
can
be
applied
many
practical
applications,
portable
power,
self-powered
sensors,
electronics,
electric
consumption
devices.
With
technologies,
significant
issues
reduced
or
even
solved
near
future,
reducing
gas
emissions,
increasing
environmental
protection,
improving
health.
The
performance
TENGs
enhanced
by
utilizing
materials
with
contrast
their
triboelectrical
characteristics
implementing
advanced
structural
designs.
review
comprehensively
examines
recent
advancements
technologies
harnessing
waste
sources,
primary
focus
on
sustainability
attributes.
It
also
delves
into
topics
optimizing
tribo-surface
structures
to
enhance
output
performance,
storage
systems
ensure
stable
operation
prolonged
usage,
exploring
collection
efficient
management
harvested
energy,
highlighting
various
contexts.
results
indicate
that
have
potential
widely
industry,
care
future.
Advanced Sustainable Systems,
Journal Year:
2023,
Volume and Issue:
8(1)
Published: Nov. 27, 2023
Abstract
Highly
polar
tribolayers
are
essential
for
magnifying
the
output
performance
of
triboelectric
nanogenerators
(TENGs).
This
study
investigates
synergetic
effect
tetraethylene
pentamine‐functionalized
reduce
graphene
oxide
(rGO‐TEPA)
and
barium
strontium
titanate
(BST)
pillars
on
tribopositive
tribonegative
layers,
respectively.
The
surface
potentials
pristine
polyurethane
(PU)
Ecoflex
(EC0)
increases
by
2.2
(from
203
to
439
V)
2.1
(from−848
−1813
times
their
initial
values
embedding
5
wt.%
rGO‐TEPA
10
BST,
optimized
2
loaded
PU/5wt.%
BST
EC‐TENG
(PU2/EC5‐TENG)
produce
a
maximum
open
circuit
potential
(V
OC
)
440
V,
short
current
(I
SC
11.2
µA,
charge
(Q)
87
nC
when
employing
12.5
N
load
at
frequency
Hz.
PU2/EC5‐TENG
shows
an
≈2.7
higher
than
PU/EC0‐TENG,
revealing
capability
enhance
TENGs.
power
density
0.58
Wm
−2
70
MΩ
demonstrate
real‐time
applications
such
as
lighting
LEDs
(100
no's)
low‐power
LCD
display
(stopwatch).
demonstrates
applicability
proposed
in
self‐powered
electronics.
