Energy Technology,
Год журнала:
2024,
Номер
unknown
Опубликована: Дек. 10, 2024
Waste‐to‐energy
research
is
crucial
for
reducing
environmental
pollution
and
achieving
a
greener
planet.
Among
many
waste‐to‐energy
technologies,
triboelectric
nanogenerators
(TENGs)
have
attracted
much
attention
in
using
waste
materials
energy
production
the
last
decade.
This
study
presents
first
reported
use
of
biowaste
sea
shells
(BSS)
development
TENGs.
For
fabrication
TENG,
BSS
powder
attached
to
aluminum
tape
act
as
one
layer
silicone
rubber
serve
opposite
layer.
The
BSS‐TENG
device
produces
an
output
voltage
current
≈200
V
40
μA,
respectively.
power
density
achieved
by
fabricated
TENG
948
mW
m
−2
.
utilized
powering
series
connected
240
LEDs
momentarily
each
tapping.
not
only
offers
sustainable
cost‐effective
material
assembly,
but
also
opens
up
new
avenues
into
harvesting
utilizing
biowaste,
with
potential
future
applications
small‐scale
devices
contributing
solutions.
Abstract
Triboelectric
nanogenerators
(TENGs)
have
recently
emerged
as
a
promising
technology
for
efficient
water
wave
energy
harvesting.
However,
there
is
paucity
of
clear
guidance
regarding
the
optimal
designs
TENGs
and
their
shells
to
achieve
absorption
conversion
in
real
random
waves.
Herein,
from
perspective
wave‐body
interaction
transfer,
this
paper
proposes
structural
quality
factor
(Q
unit
)
quantitative
evaluation
both
motion
floating
triboelectric
nanogenerator
(Flo‐TENG)
capability
absorb
convert
efficiently.
The
further
subdivided
into
amplitude
acc
),
which
characterizes
shell
amplitude,
frequency
f
describes
frequency.
This
systematically
investigates
impact
various
parameters
such
bow
shapes,
curvatures,
inclinations,
immersion
ratios
on
Q
.
findings
indicate
that
variations
shape
result
distinct
values
along
different
axial
directions
propagation.
These
directly
influence
efficiency
these
directions.
results
provide
fundamental
design
high‐performance
Flo‐TENG
selection
internal
harvesting
enable
more
conversion.
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Авг. 2, 2024
Abstract
In
the
current
daily
life
of
people,
usage
for
disposable
medical
masks
(DMMs)
continues
to
be
high.
Discarded
DMMs
eventually
become
plastic
pollution,
threatening
marine
environment
seriously.
At
present,
common
recycling
methods
are
extensive
and
not
completely
applicable
DMM
recycling.
this
work,
according
special
structural
material
characteristics
DMMs,
a
simple
effective
solution
is
proposed
based
on
triboelectric
nanogenerators
(TENGs).
First,
pulsed
electric
field
system
designed
fabricated
treat
recycled
films.
The
sterilizing
rate
reaches
91.8%,
film
surface
potential
enhanced
at
same
time.
Then,
feasibility
treated
films
applied
as
friction
layers
TENGs
verified.
Moreover,
upgraded
by
chemical
physical
methods,
improving
output
basic
TENG
3.28
times.
Finally,
complete
device
constructed
harvest
water
wave
energy,
93.75%
which
made
from
materials.
Under
waves,
power
density
18.22
W
m
−3
achieved.
Starting
technology,
study
combines
circular
economy
clean
energy
development,
significance
carbon
neutralization.
Journal of Metals Materials and Minerals,
Год журнала:
2025,
Номер
35(1), С. e2226 - e2226
Опубликована: Фев. 21, 2025
The
production
of
waste
materials
in
laboratories
is
an
unavoidable
consequence
diverse
experiments
and
activities.
These
can
range
from
chemicals,
solvents,
biological
samples
to
electronic
components,
glassware,
plastics.
Typically,
this
classified
into
hazardous
non-hazardous
categories,
requiring
careful
disposal
avoid
environmental
health
risks.
be
repurposed
for
energy
harvesting
methods,
such
as
using
polymers
triboelectric
nanogenerators
(TENGs)
or
recycling
metallic
electrodes.
This
approach
reduces
while
advancing
sustainable
solutions.
technique
demonstrates
remarkable
efficiency
utilizing
transform
various
forms
mechanical
electricity
multiple
smart
applications.
Herein,
we
have
collected
several
laboratory
wastes
including
used
latex
gloves,
aluminium
tape,
glass
slides,
fabricated
a
single-electrode
TENG
which
produced
electrical
outputs
220
V
voltage,
25
µA
current,
power
72
μW
at
500
MΩ
resistance.
device
was
also
charge
capacitors
LED
light.
Finally,
the
harvest
energies
natural
source
like
wind
energy,
droplet
exercise
activities,
body
movement
speaking
drinking
water.
kind
sustainable,
low-cost,
easy
fabricate
very
useful
applications
sensing,
biomedical
sectors.
Membranes,
Год журнала:
2024,
Номер
14(12), С. 271 - 271
Опубликована: Дек. 16, 2024
Triboelectric
nanogenerators
(TENGs)
have
garnered
significant
attention
due
to
their
high
energy
conversion
efficiency
and
extensive
application
potential
in
harvesting
self-powered
devices.
Recent
advancements
electrospun
nanofibers,
attributed
outstanding
mechanical
properties
tailored
surface
characteristics,
meant
that
they
can
be
used
as
a
critical
material
for
enhancing
TENGs
performance.
This
review
provides
comprehensive
overview
of
the
developments
nanofiber-based
TENGs.
It
begins
with
an
exploration
fundamental
principles
behind
electrospinning
triboelectricity,
followed
by
detailed
examination
performance
various
polymer
materials,
including
poly
(vinylidene
fluoride)
(PVDF),
polyamide
(PA),
thermoplastic
polyurethane
(TPU),
polyacrylonitrile
(PAN),
other
polymers.
Furthermore,
this
analyzes
influence
diverse
structural
designs—such
fiber
architectures,
bionic
configurations,
multilayer
structures—on
Applications
across
devices,
environmental
harvesting,
wearable
technologies
are
discussed.
The
concludes
highlighting
current
challenges
outlining
future
research
directions,
offering
valuable
insights
researchers
engineers
field.
