The
advancement
of
triboelectric
nanogenerators
(TENGs)
and
piezoelectric
(PENGs)
have
impacted
different
fields
emerging
technological
applications
by
changing
wasted
mechanical
energy
into
useful
electrical
energy.
Specifically,
TENGs
PENGs
contribute
as
a
power
source
for
applications,
such
health
fitness
real-time
monitoring
therapeutic
interventions
flexible
smart
fabric
wearable
devices
variety
also
to
intelligent
transportation
security
including
vehicle
safety
systems
IoT-based
feedback
alerts.
Furthermore,
it
highlights
environmental
air
quality
purification.
This
Review
introduces
recent
advancements
in
TENGs,
PENGs,
hybrid
NGs
introducing
structural
designs,
working
mechanisms,
device
materials,
output
power,
diverse
applications.
With
the
growth
miniaturization
material
discipline,
offer
innovative
solutions
sustainability
off-grid
electronics.
Future
research
should
emphasize
increasing
conversion
efficiencies,
durability,
washability
facilitate
self-powered
Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
14(23)
Published: March 26, 2024
Abstract
The
triboelectric
nanogenerator
(TENG)
holds
significant
potential
for
applications
in
energy
harvesting
and
environment
monitoring.
However,
a
notable
challenge
lies
developing
combined
system
capable
of
efficiently
providing
real‐time
self‐powered
sensing.
Here,
wind
speed
sensing
(EHSS)
is
constructed
based
on
noncontact
electricity‐induced
constant‐voltage
TENG
(EICV‐TENG)
that
achieves
constant
output
by
coupling
two
different
phases
incorporates
parasitic
module
single
phase.
Through
the
optimization
integration,
EICV‐TENG
current
density
28.7
mA
m
−2
an
average
power
0.26
W
Hz
−1
.
With
optimal
management,
efficiency
reaches
up
to
96%.
And
can
stably
32
commercial
hygrothermographs
connected
parallel
with
PMC
at
7
s
In
addition,
EHSS
demonstrates
excellent
performance
correlation
between
peak
number
pulse
phase
speeds.
This
work
contributes
advancement
technology
context
Internet
Things
(IoTs).
Advanced Energy Materials,
Journal Year:
2023,
Volume and Issue:
13(46)
Published: Oct. 19, 2023
Abstract
The
triboelectric
nanogenerator
(TENG)
is
a
promising
technology
with
unique
advantages
for
harvesting
environmental
high‐entropy
energy
like
wind
power.
However,
inefficient
harvest
devices
have
limited
the
operating
speed
and
practical
application
of
TENGs.
In
this
work,
bionic
blade
lift‐drag
hybrid
turbine‐driven
triboelectric‐electromagnetic
generator
(HT‐TEHG)
designed
broadband
harvesting.
turbine
combines
benefits
drag‐type
blades
enabling
low
start‐up
lift‐type
generating
high
torque,
achieving
an
11%
increase
in
performance.
TENGs
are
appropriate
dielectric
layer
gaps
to
balance
output
performance
friction
torque
independently
driven
by
two
types
achieve
self‐adaptive
graded
power
generation
at
different
speeds.
starting
HT‐TEHG
2
m
s
−1
achieves
peak
202.4
mW
conversion
efficiency
9.1%
4
.
durability
TENG
verified
continuous
operation
1
×
10
5
cycles
almost
no
degradation.
Moreover,
can
wireless
weather
station
using
natural
wind.
study
introduces
valuable
approach
enable
distributed
Internet
Things
devices.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(21)
Published: Feb. 16, 2024
Controllable
droplet
manipulation
is
crucial
in
diverse
scientific
and
engineering
fields.
Traditional
electric-based
methods
usually
rely
on
commercial
high-voltage
(HV)
power
sources,
which
are
typically
bulky,
expensive,
potentially
hazardous.
The
triboelectric
nanogenerator
(TENG)
a
highly
studied
device
that
can
generate
HV
output
with
limited
current,
showing
great
potential
applications.
However,
current
TENG-based
approaches
utilize
traditional
free-standing
TENGs
produce
short-pulsed
alternating-current
signals.
This
limitation
hinders
continuous
electrostatic
forces
necessary
for
precise
control,
leading
to
complex
circuitry
suboptimal
motion
control
terms
of
volume,
distance,
direction,
momentum.
Here,
contactless
charge
injection
(TCCI)
method
employing
novel
dual-functional
(DF-TENG),
proposed.
DF-TENG
both
high
voltage
constant
during
unidirectional
motion,
enabling
corona
discharges
into
the
droplets.
Using
this
method,
large-volume
(3000
µL)
be
controlled
momentum
up
115.2
g
mm
s
Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Oct. 8, 2024
Abstract
With
the
continuous
acceleration
of
industrialization,
gas
sensors
are
evolving
to
become
portable,
wearable
and
environmentally
friendly.
However,
traditional
rely
on
external
power
supply,
which
severely
limits
their
applications
in
various
industries.
As
an
innovative
adaptable
generation
technology,
triboelectric
nanogenerators
(TENGs)
can
be
integrated
with
leverage
benefits
both
technologies
for
efficient
friendly
self‐powered
sensing.
This
paper
delves
into
basic
principles
current
research
frontiers
TENG‐based
sensor,
focusing
particularly
environmental
safety
monitoring,
healthcare,
as
well
emerging
fields
such
food
assurance
smart
agriculture.
It
emphasizes
significant
advantages
sensor
systems
promoting
sustainability,
achieving
sensing
at
room
temperature,
driving
technological
innovations
devices.
also
objectively
analyzes
technical
challenges,
including
issues
related
performance
enhancement,
theoretical
refinement,
application
expansion,
provides
targeted
strategies
future
directions
aimed
paving
way
progress
widespread
field
sensors.
Small,
Journal Year:
2024,
Volume and Issue:
20(31)
Published: March 3, 2024
Abstract
Human
health
and
the
environment
face
significant
challenges
of
air
pollution,
which
is
predominantly
caused
by
PM2.5
or
PM10
particles.
Existing
control
methods
often
require
elevated
energy
consumption
bulky
high‐voltage
electrical
equipment.
To
overcome
these
limitations,
a
self‐powered,
convenient,
compact
direct
current
triboelectric
nanogenerator
based
on
triboelectrification
electrostatic
breakdown
effects
proposed.
By
optimizing
structure‐design
corresponding
output
voltage,
it
can
easily
achieve
an
voltage
over
3
kV
with
high
charge
density
320
µC
m
−2
.
A
power
management
circuit
designed
to
influence
third
domain
self‐breakdown,
optimize
92.5%
amplitude
shake,
raise
5%
utilization
ratio.
With
device
size
as
tiny
2.25
cm
,
continuously
drive
carbon
nanowires
generate
negative
ions
that
settle
dust
within
300
s.
This
compact,
simple,
efficient,
safe
represents
promising
sustainable
solution.
It
offers
efficient
mitigation,
fostering
cleaner
environments,
enhancing
overall
health.
As
one
of
the
few
self-powered
instruments
and
devices,
triboelectric
nanogenerators
(TENGs)
have
been
developed
for
more
than
10
years
since
its
invention
in
2012.
With
wide
material
selections
diverse
design
structures,
without
having
to
use
an
external
power
supply,
TENG
has
applied
many
key
technologies.
By
end
2022,
16,000
researchers
from
83
countries
regions
around
world
authored
scientific
papers
TENG.
In
this
review,
we
start
theoretical
principles
working
mechanisms
TENG,
discuss
5
major
fields
application,
namely,
as
sensors,
high-voltage
energy
blue
micro/nano-energy
solid–liquid
interface
probes.
Next,
review
breakthrough
progress
made
using
commercial
products
following
fields:
medical
health,
intelligent
security,
marine
energy.
Finally,
look
forward
future
application
advanced
especially
fluid
dynamics
sensing
aerospace
fields.
We
firmly
believe
that
various
devices
based
on
technology
will
better
serve
human
civilization.
