Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 23, 2025
Abstract
Integration
of
triboelectric
nanogenerators
(TENGs)
with
water
splitting
offers
a
promising
approach
for
generating
green
hydrogen
from
mechanical
energy.
However,
the
development
efficient
TENGs
is
challenged
by
significant
losses.
To
enhance
sustainable
energy
harvesting,
it
crucial
to
minimize
these
losses
and
improve
tribo‐polarities.
Recent
advancements
in
incorporating
conductive
fillers
have
proven
effective
improving
performance.
In
this
study,
new
class
bifunctional
amino
surface‐modified
graphene
oxide
(MGO)
synthesized
graphite
powder
introduced.
The
MGO
filler
enhances
positive
polarity
polymer
through
groups
while
reducing
loss
due
inherent
conductivity
graphene.
Incorporating
1.5
wt.%
into
silk
electrospun
membranes
(1.5SMGO)
boosted
surface
positivity
+695
+1905
V,
surpassing
unmodified
(GO)
(+1220
V),
highlighting
impact
modification.
resulting
TENG
1.5SMGO
exhibits
an
open
circuit
voltage
1135
V
current
density
11.76
mA
m
−
2
,
demonstrating
its
effectiveness
as
harvester
low‐power
electronics.
Additionally,
proposed
can
serve
source
water‐splitting,
enabling
production.
Thus,
MGO‐based
holds
potential
self‐powered
wearable
electronics
water‐splitting
applications.
Advanced Sustainable Systems,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 7, 2025
Abstract
The
triboelectric
nanogenerator
(TENG)
is
an
eminent
technology
and
has
become
a
promising
solution
for
the
existing
energy
crises.
Several
methods
are
investigated
to
enhance
TENG
output
performance.
Herein,
novel
pentaerythritol
(core)
dimethylol
butanoic
acid
(monomer)‐based
hyperbranched
polymer
of
second
generation
(HBP‐G2)
fabricated
by
facile
single‐step
polycondensation
technique.
Further,
different
weight
percentages
(5,
10,
15,
20
wt%)
HBP‐G2‐blended
polyvinylidene
fluoride
(PVDF)‐based
nanofibers
(NFs)
prepared
using
traditional
electrospinning
HBP‐G2
electrospun
NFs
characterized
scanning
electron
microscope
(SEM)/energy
dispersive
spectroscopy
(EDS),
Fourier‐transform
infrared
(FTIR),
X‐ray
diffraction
(XRD)light
emitting
diodes
studies.
effect
on
performance
PVDF
evaluated
in
terms
open
circuit
potential
(V
oc
)
short
current
(I
sc
aluminium
as
counter
electrode.
Among
all,
wt%
PVDF/HBP‐G2
shows
superior
V
241
(ten
times
neat
NF)
I
5.3
µA
(six
NF).
optimized
device
(PVDF/G2‐PA‐20)
exhibits
peak
power
density
0.17
Wm
−2
at
applied
load
resistance
100
MΩ.
Finally,
real‐time
feasibility
proposed
successfully
demonstrated
harvest
mechanical
such
operating
calculators
lightning
36
light
(LEDs)https://doi.org/10.1016/j.matpr.2023.02.087.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 23, 2025
Abstract
Integration
of
triboelectric
nanogenerators
(TENGs)
with
water
splitting
offers
a
promising
approach
for
generating
green
hydrogen
from
mechanical
energy.
However,
the
development
efficient
TENGs
is
challenged
by
significant
losses.
To
enhance
sustainable
energy
harvesting,
it
crucial
to
minimize
these
losses
and
improve
tribo‐polarities.
Recent
advancements
in
incorporating
conductive
fillers
have
proven
effective
improving
performance.
In
this
study,
new
class
bifunctional
amino
surface‐modified
graphene
oxide
(MGO)
synthesized
graphite
powder
introduced.
The
MGO
filler
enhances
positive
polarity
polymer
through
groups
while
reducing
loss
due
inherent
conductivity
graphene.
Incorporating
1.5
wt.%
into
silk
electrospun
membranes
(1.5SMGO)
boosted
surface
positivity
+695
+1905
V,
surpassing
unmodified
(GO)
(+1220
V),
highlighting
impact
modification.
resulting
TENG
1.5SMGO
exhibits
an
open
circuit
voltage
1135
V
current
density
11.76
mA
m
−
2
,
demonstrating
its
effectiveness
as
harvester
low‐power
electronics.
Additionally,
proposed
can
serve
source
water‐splitting,
enabling
production.
Thus,
MGO‐based
holds
potential
self‐powered
wearable
electronics
water‐splitting
applications.
