Small Methods,
Journal Year:
2024,
Volume and Issue:
unknown
Published: April 18, 2024
Flow
sensing
exhibits
significant
potential
for
monitoring,
controlling,
and
optimizing
processes
in
industries,
resource
management,
environmental
protection.
However,
achieving
wireless
real-time
omnidirectional
of
gas/liquid
flow
on
a
simple,
self-contained
device
without
external
power
support
has
remained
formidable
challenge.
In
this
study,
compact-sized,
fully
self-powered
flowmeter
(CSWF)
is
introduced
with
small
size
diameter
down
to
less
than
50
mm,
which
can
transmit
signals,
as
driven
by
rotating
triboelectric
nanogenerator
(R-TENG).
The
R-TENG
triggers
the
breakdown
discharge
gas
tube
(GDT),
enables
rate
through
emitted
electromagnetic
waves.
Importantly,
performance
CSWF
not
affected
R-TENG's
varied
output,
while
transmission
distance
greater
10
m.
Real-time
remote
monitoring
wind
speed
water
successfully
demonstrated.
This
research
introduces
an
approach
achieve
wireless,
system
diverse
range
applications,
including
prolonged
meteorological
observations,
marine
environment
early
warning
systems
natural
disasters,
ecosystem
monitoring.
ACS Applied Nano Materials,
Journal Year:
2024,
Volume and Issue:
7(13), P. 15478 - 15487
Published: June 24, 2024
Self-powered
sensors
are
an
important
application
development
direction
of
nanogenerators.
The
fully
self-powered
systems
that
do
not
rely
on
traditional
energy
such
as
mains
power
or
batteries
is
great
value
to
the
future
design
loT.
Such
system
easy
task
due
detailed
calculation
multiple
units'
consumption
combined
with
smart
minimizing
total
full
design.
By
converting
wind
into
electrical
and
designing
indication
simultaneously
utilizes
this
energy,
we
completed
a
sensing
transduce
strength
high-speed
rail.
sensor
part
modulus
pleated
elastomer
at
same
time
achieves
pressure-LED
indication.
circuit
simplified
by
dropping
control
chips,
decreasing
consumption,
increasing
reliability.
This
crumple
has
faster
activation
speed
than
other
cup
can
sense
force
when
train
passes
protect
canopy
structure.
presents
ideas
for
designs
systems.
Advanced Energy and Sustainability Research,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 2, 2024
Clean
energy
has
emerged
as
the
focal
point
of
global
and
power
development.
With
advancement
5G
technology
Internet
Things
(IoT),
demand
for
sustainable
supply
become
more
pressing,
leading
to
widespread
attention
vibration
harvesting
technology.
This
enables
conversion
vibrational
from
natural
phenomena
such
ocean
waves
wind,
well
machinery
operation
human
activities,
into
electrical
energy,
thus
supporting
expansion
self‐sustained
IoT
systems.
review
provides
an
overview
progress
in
discusses
integration
this
with
self‐powered
sensors
artificial
intelligence.
These
integrations
are
reflected
enhanced
accuracy
environmental
monitoring,
increased
efficiency
intelligent
transportation
industrial
production,
improved
quality
life
through
healthcare
smart
home.
Such
applications
demonstrate
significant
potential
promoting
sustainability
elevating
level
living.
In
summary,
exploring
applying
support
autonomous
devices
is
key
building
a
sustainable,
intelligent,
interconnected
world.
Sustainable Energy & Fuels,
Journal Year:
2024,
Volume and Issue:
8(12), P. 2743 - 2750
Published: Jan. 1, 2024
This
work
reports
a
single-electrode
mode
triboelectric
nanogenerator
(G-TENG)
based
on
natural
leaf
as
the
friction
layer
for
application
in
field
of
outdoor
self-power
supply.
Advanced Materials Technologies,
Journal Year:
2024,
Volume and Issue:
9(10)
Published: March 19, 2024
Abstract
Disc
and
cylinder‐based
triboelectric
nanogenerators
(TENGs)
have
great
potential
for
harvesting
wind
energy.
However,
a
significant
challenge
faced
by
these
TENGs
is
the
wear
issues
arising
from
required
close
contact
between
tribo‐materials,
especially
at
high
frequencies.
In
response
to
this
challenge,
gear‐slider
TENG
(GS‐TENG)
designed
transition
continuous
close‐contact
friction
mode
intermittent
contact.
Working
in
unison
with
central
gear
two
sliders,
four
units
housed
within
GS‐TENG
yield
electrical
output
through
periodic
separation.
During
durability
test
of
845
000
cycles,
short‐circuit
current
only
experiences
slight
decrease,
going
25.38
24.03
µA,
retaining
94.68%
its
initial
value.
Operating
matched
impedance
6
MΩ,
M1
achieves
peak
power
density
386
mW
m
−2
,
exceeding
some
previously
proposed
solutions
harvesting.
When
integrated
into
speed
sensing
system,
has
wide
range
(13.1
28
s
−1
)
maximum
error
3.39%.
This
work
demonstrates
rotation‐to‐translation
strategy
that
lays
foundation
long‐term,
high‐frequency
energy
development
self‐powered
system.
