Small Methods,
Journal Year:
2023,
Volume and Issue:
7(10)
Published: June 17, 2023
Abstract
Triboelectric
nanogenerators
(TENGs)
have
received
intense
attention
due
to
their
broad
application
prospects
in
the
new
era
of
internet
things
(IoTs)
as
distributed
power
sources
and
self‐powered
sensors.
Advanced
materials
are
vital
components
for
TENGs,
which
decide
comprehensive
performance
scenarios,
opening
up
opportunity
develop
efficient
TENGs
expand
potential
applications.
In
this
review,
a
systematic
overview
advanced
is
presented,
including
classifications,
fabrication
methods,
properties
required
particular,
triboelectric,
friction,
dielectric
focused
upon
roles
designing
analyzed.
The
recent
progress
used
mechanical
energy
harvesting
sensors
also
summarized.
Finally,
an
emerging
challenges,
strategies,
opportunities
research
development
provided.
Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
33(52)
Published: Sept. 13, 2023
Abstract
A
self‐powered
and
sustainable
traffic
monitoring
system
is
highly
required
for
future
urban
development.
Herein,
self‐healable
piezoresistive
sensors
triboelectric
nanogenerators
(TENGs)
are
constructed
by
in
situ
polymerization
of
polyvinyl
alcohol‐polyacrylamide
double
network
hydrogel
the
presence
sodium
alginate
tannic
acid‐modified
cellulose
nanocrystals
(denoted
as
PPC)
all‐weather
intelligent
applications.
Because
hydrogen
bonding
boron
ester
bonding,
resultant
PPC‐based
strain
sensor
can
rapidly
self‐heal
restore
its
sensing
ability
within
1
min
with
a
self‐healing
efficiency
97.4%.
Based
on
effect,
ions
endow
relatively
high
gauge
factor
8.39,
which
monitor
motion
fatigue
drivers.
triboelectrification
TENG
detect
instantaneous
vehicle
speed,
judge
accident
liability,
evaluate
weight,
alert
driver
to
prevent
accidents
caused
drowsy
driving.
After
partially
replacing
water
PPC
glycerin,
resulting
exhibits
stable
performance
at
temperatures
ranging
from
‐30
40
°C,
ensuring
ability.
The
promising
security
cities.
