Small,
Journal Year:
2023,
Volume and Issue:
20(17)
Published: Dec. 5, 2023
Abstract
The
technical
synergy
between
flexible
sensing
paper
and
triboelectric
nanogenerator
(TENG)
in
the
next
stage
of
artificial
intelligence
Internet
Things
engineering
makes
development
intelligent
with
function
very
attractive.
Therefore,
it
is
extremely
urgent
to
explore
functional
papers
that
are
more
suitable
for
sensing.
Here,
a
cellulose
nanocrystals
(CNCs)
reinforced
PVDF
hybrid
(CPHP)
developed
by
electrospinning
technology.
Benefitting
from
unique
effects
CNCs,
CPHP
forms
solid
cross‐linked
network
among
fibers
obtains
high‐strength
(25
MPa)
paper‐like
state
high
surface
roughness.
Meanwhile,
CNCs
also
improve
triboelectrification
effect
assisting
matrix
form
electroactive
phases
(96%
share)
higher
relative
permittivity
(17.9).
CPHP‐based
TENG
single
electrode
configuration
demonstrates
good
output
performance
(open‐circuit
voltage
116
V,
short‐circuit
current
2.2
µA
power
density
91
mW
m
−2
)
ultrahigh
pressure‐sensitivity
response
(3.95
mV
Pa
−1
),
which
endows
reliable
supply
capability.
More
importantly,
self‐powered
tactile
sensor
array
exhibits
multifunctional
applications
imitation
Morse
code
compilation,
track
recognition,
game
character
control,
showing
great
prospects
inductive
device
human–machine
interaction.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
36(52)
Published: March 22, 2024
Abstract
Triboelectric
nanogenerator
(TENG)
manifests
distinct
advantages
such
as
multiple
structural
selectivity,
diverse
selection
of
materials,
environmental
adaptability,
low
cost,
and
remarkable
conversion
efficiency,
which
becomes
a
promising
technology
for
micro‐nano
energy
harvesting
self‐powered
sensing.
Tribo‐dielectric
materials
are
the
fundamental
core
components
high‐performance
TENGs.
In
particular,
charge
generation,
dissipation,
storage,
migration
dielectrics,
dynamic
equilibrium
behaviors
determine
overall
performance.
Herein,
comprehensive
summary
is
presented
to
elucidate
dielectric
transport
mechanism
tribo‐dielectric
material
modification
principle
toward
The
contact
electrification
started
first,
followed
by
introducing
basic
Subsequently,
mechanisms
strategies
highlighted
regarding
physical/chemical,
surface/bulk,
coupling,
structure
optimization.
Furthermore,
representative
applications
based
TENGs
power
sources,
sensors
demonstrated.
existing
challenges
potential
opportunities
advanced
outlined,
guiding
design,
fabrication,
materials.
ACS Applied Materials & Interfaces,
Journal Year:
2023,
Volume and Issue:
15(14), P. 17641 - 17652
Published: April 3, 2023
Chronic
wound
healing
is
often
impaired
by
bacterial
infection
and
weak
trans-epithelial
potential.
Patches
with
electrical
stimulation
bactericidal
activity
may
solve
this
problem.
However,
inconvenient
power
resistant
antibiotics
limit
their
application.
Here,
we
proposed
a
self-powered
intrinsic
patch
based
on
triboelectric
nanogenerator
(TENG).
Electrospun
polymer
tribo-layers
chemical
vapor-deposited
polypyrrole
electrode
are
assembled
as
the
TENG,
offering
excellent
flexibility,
breathability,
wettability.
Electrical
stimulations
harvesting
mechanical
motions
positive
charges
surface
kill
over
96%
of
bacteria
due
to
synergistic
effects
cell
membrane
disruption.
Moreover,
TENG
promotes
infected
diabetic
rat
skin
wounds
heal
within
2
weeks.
Cell
culture
animal
tests
suggest
that
enhances
gene
expression
growth
factors
for
accelerated
healing.
This
work
provides
new
insights
into
design
wearable
multifunctional
electrotherapy
devices
chronic
treatment.
ACS Nano,
Journal Year:
2024,
Volume and Issue:
18(4), P. 2649 - 2684
Published: Jan. 17, 2024
The
market
for
wearable
electronic
devices
is
experiencing
significant
growth
and
increasing
potential
the
future.
Researchers
worldwide
are
actively
working
to
improve
these
devices,
particularly
in
developing
electronics
with
balanced
functionality
wearability
commercialization.
Electrospinning,
a
technology
that
creates
nano/microfiber-based
membranes
high
surface
area,
porosity,
favorable
mechanical
properties
human
vitro
vivo
applications
using
broad
range
of
materials,
proving
be
promising
approach.
Wearable
can
use
mechanical,
thermal,
evaporative
solar
energy
harvesting
technologies
generate
power
future
needs,
providing
more
options
than
traditional
sources.
This
review
offers
comprehensive
analysis
how
electrospinning
used
energy-autonomous
wireless
sensing
systems.
It
provides
an
overview
technology,
fundamental
mechanisms,
scavenging,
physiological
signal
sensing,
storage,
antenna
data
transmission.
discusses
combining
textile
engineering
create
superior
increase
collaboration
opportunities.
Additionally,
challenges
related
conducting
appropriate
testing
market-ready
products
also
discussed.
