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 Functional Materials,
Journal Year:
2023,
Volume and Issue:
33(22)
Published: March 6, 2023
Abstract
Solid‐liquid
triboelectric
nanogenerators
(SL‐TENGs)
are
a
new
technology
that
combines
contact
electrification
(CE)
and
electrostatic
induction
to
collect
clean
energy
stored
in
natural
water.
Considering
their
unique
advantages
of
high
density,
wide
selection
materials
being
suitable
for
large‐scale
promotion,
they
have
attracted
more
attention
recent
years,
numerous
studies
shown
great
potential
various
applications.
Many
critical
applications
SL‐TENGs
inevitably
involve
sustained
stable
electrical
output.
To
achieve
output
performance
long
cycle
life
these
applications,
the
adaptability
material
selection,
structural
design,
working
environment
is
necessary.
Therefore,
construction
matching
different
has
become
research
direction
TENGs.
This
review
provides
historical
summary
development
past
few
years
analyzes
key
factors
affecting
performance.
The
exciting
achievements
constructions
practical
also
demonstrated
such
as
harvesting,
self‐powered
sensing,
cathodic
protection.
Finally,
prospects
significant
challenges
further
discussed.
