Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
34(1)
Published: Sept. 15, 2023
Abstract
Using
sensing
devices
for
noncontact
information
transfer
enhances
data
security
in
human‐machine
interaction
by
eliminating
direct
contact
between
the
carrier
and
communication
interface.
However,
current
contactless
strategies
struggle
with
complex
application
scenarios
due
to
limitations
mechanisms.
Here,
this
work
proposes
an
innovative
approach
that
leverages
invisible
thermal
radiation
Seebeck
effect,
demonstrates
its
feasibility
designing
a
high‐resolution
temperature
sensor
based
on
laminar
thermoelectric
aerogel
of
carbon
nanotube/PEDOT:PSS/nanocellulose.
The
exhibits
exceptional
sensitivity,
ultralow
detection
limits
(0.02
K),
rapid
response
time,
reliable
cycling
stability
without
interference
from
pressure
stimuli.
This
further
presents
array‐based
interface
capable
extracting,
decoding,
transmitting
high‐capacity
encrypted
contactlessly.
also
serves
as
input
terminal
precisely
monitoring
finger
movements.
Additionally,
can
convert
into
resistance
signals,
functioning
tactile
electronic
skin
scenarios.
study
dependable
strategy
physical
contact,
contributing
development
future
integrated
devices.
Advanced Functional Materials,
Journal Year:
2023,
Volume and Issue:
33(17)
Published: Feb. 3, 2023
Abstract
The
anti‐glare
panels
along
highways
can
block
the
dazzling
lights
of
opposing
vehicles
at
night,
playing
an
important
role
in
highway
safety.
Inspired
by
panels,
wind
energy
harvesting
triboelectric
nanogenerator
(AG‐TENG)
arrays
to
properly
capture
from
moving
is
developed.
A
single
AG‐TENG
installation
module
achieve
a
high
power
density
0.2
Wm
−2
speed
3
m
s
−1
.
This
too
low
drive
conventional
equipment.
performance
shows
no
degradation
after
80
h
continuous
operation
(1
440
000
times).
Thus,
with
rational
consideration
and
features,
system
generate
enough
internet
things
(IoT)
devices
environmental
sensors,
as
well
offer
wireless
alarming
radio
frequency
identification
vehicle
monitoring.
study
provides
promising
strategy
harvest
on
using
existing
infrastructures
under
condition
even
natural
wind,
showing
broad
application
prospects
distributed
monitoring,
intelligent
highways,
IoT.
InfoMat,
Journal Year:
2024,
Volume and Issue:
6(5)
Published: Jan. 4, 2024
Abstract
Quantitative
analysis
of
gait
parameters,
such
as
stride
frequency
and
step
speed,
is
essential
for
optimizing
physical
exercise
the
human
body.
However,
current
electronic
sensors
used
in
motion
monitoring
remain
constrained
by
factors
battery
life
accuracy.
This
study
developed
a
self‐powered
system
(SGAS)
based
on
triboelectric
nanogenerator
(TENG)
fabricated
electrospun
composite
nanofibers
regulating
programs.
The
SGAS
consists
sensing
module,
charging
data
acquisition
processing
an
Internet
Things
(IoT)
platform.
Within
two
specialized
units,
TENG‐S1
TENG‐S2,
are
positioned
at
forefoot
heel
to
generate
synchronized
signals
tandem
with
user's
footsteps.
These
instrumental
real‐time
count
speed
monitoring.
output
TENG
units
significantly
improved
systematically
investigating
nanofibers'
composition,
strength,
wear
resistance.
Additionally,
charge
amplifier
circuit
implemented
process
raw
voltage
signal,
consequently
bolstering
reliability
signal.
refined
then
ready
further
reading
calculation
micro‐controller
unit
(MCU)
during
signal
transmission
process.
Finally,
well‐conditioned
wirelessly
transmitted
IoT
platform
analysis,
storage,
visualization,
enhancing
image
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(28)
Published: March 10, 2024
Abstract
Flexible
pressure
sensors
are
valuable
in
applications
such
as
electronic
skin,
smart
robots,
artificial
prosthetics,
and
wearable
electronics.
In
this
study,
a
fully
packaged,
flexible,
self‐powered,
long‐term
stable
sensor
array
based
on
piezoelectrets
is
developed
for
monitoring.
A
with
microcavity
structure
thickness
of
500
µm
achieved
an
impressive
piezoelectric
coefficient
23.8
pC
N
−1
fast
response
time
93
ms.
The
yielded
output
voltage
0.26
V
when
subjected
to
force
using
0.3
g
soybeans,
it
displayed
remarkable
linear
relationship
(R
2
=
0.992)
between
electricity
ranging
from
1.4
13.6
sensitivity
9
mV
.
Real‐time
monitoring
sound
vibration,
radial
artery
pulse,
finger
movement
demonstrated
along
the
successful
recording
dynamic
changes
within
porcine
knee
joint.
It
holds
potential
fields
human
bodies
robotics
can
contribute
significantly
assessment
during
total
replacement.
Chemical Reviews,
Journal Year:
2024,
Volume and Issue:
124(17), P. 9899 - 9948
Published: Aug. 28, 2024
Electronic
skins
(e-skins)
have
seen
intense
research
and
rapid
development
in
the
past
two
decades.
To
mimic
capabilities
of
human
skin,
a
multitude
flexible/stretchable
sensors
that
detect
physiological
environmental
signals
been
designed
integrated
into
functional
systems.
Recently,
researchers
increasingly
deployed
machine
learning
other
artificial
intelligence
(AI)
technologies
to
neural
system
for
processing
analysis
sensory
data
collected
by
e-skins.
Integrating
AI
has
potential
enable
advanced
applications
robotics,
healthcare,
human–machine
interfaces
but
also
presents
challenges
such
as
diversity
model
robustness.
In
this
review,
we
first
summarize
functions
features
e-skins,
followed
feature
extraction
different
models.
Next,
discuss
utilization
design
e-skin
address
key
topic
implementation
e-skins
accomplish
range
tasks.
Subsequently,
explore
hardware-layer
in-skin
before
concluding
with
an
opportunities
various
aspects
AI-enabled
Small,
Journal Year:
2024,
Volume and Issue:
20(46)
Published: Aug. 11, 2024
Abstract
Over
the
past
decades,
tactile
sensing
technology
has
made
significant
advances
in
fields
of
health
monitoring
and
robotics.
Compared
to
conventional
sensors,
self‐powered
sensors
do
not
require
an
external
power
source
drive,
which
makes
entire
system
more
flexible
lightweight.
Therefore,
they
are
excellent
candidates
for
mimicking
perception
functions
wearable
ideal
electronic
skin
(e‐skin)
intelligent
robots.
Herein,
working
principles,
materials,
device
fabrication
strategies
various
platforms
introduced
first.
Then
their
applications
robotics
presented.
Finally,
future
prospects
systems
discussed.
Advanced Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Aug. 6, 2024
Triboelectric
nanogenerators
(TENGs)
play
a
crucial
role
in
attaining
sustainable
energy
for
various
wearable
devices.
Polymer
materials
are
essential
components
of
TENGs.
Biopolymers
suitable
TENGs
because
their
degradability,
natural
sourcing,
and
cost-effectiveness.
Herein,
the
latest
progress
commonly
used
biopolymers
well-designed
biomimetic
techniques
TENG
is
summarized.
The
applications
rubber,
polysaccharides,
protein-based
biopolymers,
other
common
synthetic
technology
summarized
detail.
Each
biopolymer
discussed
based
on
its
electrification
capability,
polarity
variations,
specific
functionalities
as
active
functional
layers
Important
strategies
related
also
to
guide
structural
design
TENG.
In
future,
study
triboelectric
may
focus
exploring
alternative
candidates,
enhancing
charge
density,
expanding
functionality.
Various
possible
biopolymer-based
proposed
this
review.
By
applying
methods
devices,
fields
healthcare,
environmental
monitoring,
wearable/implantable
electronics
can
be
further
promoted.
Nanoenergy Advances,
Journal Year:
2021,
Volume and Issue:
1(1), P. 81 - 120
Published: Sept. 19, 2021
Entering
the
5G
and
internet
of
things
(IoT)
era,
human–machine
interfaces
(HMIs)
capable
providing
humans
with
more
intuitive
interaction
digitalized
world
have
experienced
a
flourishing
development
in
past
few
years.
Although
advanced
sensing
techniques
based
on
complementary
metal-oxide-semiconductor
(CMOS)
or
microelectromechanical
system
(MEMS)
solutions,
e.g.,
camera,
microphone,
inertial
measurement
unit
(IMU),
etc.,
flexible
stretchable
conductor,
optical
fiber,
been
widely
utilized
as
components
for
wearable/non-wearable
HMIs
development,
relatively
high-power
consumption
these
sensors
remains
concern,
especially
wearable/portable
scenarios.
Recent
progress
triboelectric
nanogenerator
(TENG)
self-powered
provides
new
possibility
realizing
low-power/self-sustainable
by
directly
converting
biomechanical
energies
into
valuable
sensory
information.
Leveraging
advantages
wide
material
choices
diversified
structural
design,
TENGs
successfully
developed
various
forms
HMIs,
including
glove,
glasses,
touchpad,
exoskeleton,
electronic
skin,
sundry
applications,
collaborative
operation,
personal
healthcare,
robot
perception,
smart
home,
etc.
With
evolving
artificial
intelligence
(AI)
haptic
feedback
technologies,
could
be
realized
towards
intelligent
immersive
interactions.
Hence,
this
review,
we
systematically
introduce
current
TENG
aspects
different
application
scenarios,
i.e.,
wearable,
robot-related
prospective
future
enabled
AI/haptic-feedback
technology.
Discussion
implementing
self-sustainable/zero-power/passive
5G/IoT
era
our
perspectives
are
also
provided.
Sensors,
Journal Year:
2021,
Volume and Issue:
21(16), P. 5392 - 5392
Published: Aug. 10, 2021
Tactile
sensors
are
an
important
medium
for
artificial
intelligence
systems
to
perceive
their
external
environment.
With
the
rapid
development
of
smart
robots,
wearable
devices,
and
human-computer
interaction
interfaces,
flexible
tactile
sensing
has
attracted
extensive
attention.
An
overview
recent
in
high-performance
used
is
introduced.
The
main
transduction
mechanisms
including
piezoresistive,
capacitive,
piezoelectric,
triboelectric
discussed
detail.
status
with
high
resolution,
sensitive,
self-powered,
visual
capabilities
focused
on.
Then,
intelligent
systems,
wide
application
prospects
fields
electronics,
implantable
electronics
systematically
discussed.
Finally,
future
proposed.
