Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 29, 2024
Abstract
Triboelectric
nanogenerators
(TENGs)
represent
an
effective
approach
for
transforming
mechanical
energy
into
electrical
power,
making
them
suitable
wearable
electronic
applications.
Hydrogels
as
TENGs
electrodes
are
common,
but
their
use
direct
triboelectric
layers
remains
insufficiently
explored.
Here,
a
novel
zwitterionic
monomer
3‐{1‐[6‐(hydroxymethyl)‐2‐methyl‐3,8‐dioxo‐9‐aza‐4,7‐dioxadodec‐1‐en‐12‐yl]imidazol‐3‐ium‐3‐yl}propane‐1‐sulfonate
(VNIPS)
is
synthesized
in
combination
with
acrylic
acid
(AA)
and
sulfobetaine
methacrylate
(SBMA)
to
create
double‐network
hydrogel.
The
hydrogel
developed
using
solvent‐exchange
process
that
facilitated
the
creation
of
microphase‐separated
domains,
notablely
increasing
its
strength
(211.9
kPa,
472.3%),
conductivity
(0.6
mS
cm
−1
),
anti‐freezing
capability
(−18.3
°C).
In
addition,
hydrogel's
hydrophilic
groups
interacted
water
molecules,
reducing
charge
loss
humid
conditions.
When
employed
positive
layer,
hydrogel‐based
achieved
substantial
density
456
µC
m
−
2
output
power
464
mW
,
while
maintaining
steady
open‐circuit
voltage
(V
oc
)
97
V,
92%
retention
under
80%
relative
humidity.
Moreover,
strong
adhesion
biocompatibility
make
it
applications,
such
motion
sensing
Morse
code
communication.
This
work
demonstrates
feasibility
hydrogels
materials,
providing
new
strategy
creating
efficient,
humidity‐resistant
harvesters.
Biomedicines,
Journal Year:
2024,
Volume and Issue:
12(10), P. 2307 - 2307
Published: Oct. 11, 2024
E-skin
is
a
bionic
device
with
flexible
and
intelligent
sensing
ability
that
can
mimic
the
touch,
temperature,
pressure,
other
functions
of
human
skin.
Because
its
flexibility,
breathability,
biocompatibility,
characteristics,
it
widely
used
in
health
management,
personalized
medicine,
disease
prevention,
pan-health
fields.
With
proposal
new
principles,
development
advanced
functional
materials,
microfabrication
technology,
integration
artificial
intelligence
algorithms,
e-skin
has
developed
rapidly.
This
paper
focuses
on
fundamentals,
key
technologies,
their
specific
applications
exercise
monitoring,
emotion
heart
etc.
needs
to
have
healthcare
field.
In
addition,
significance
infant
child
care,
elderly
assistive
devices
for
disabled
analyzed.
Finally,
current
challenges
future
directions
field
are
discussed.
It
expected
this
review
will
generate
great
interest
inspiration
improvement
novel
e-skins
monitoring
systems.
Advanced Science,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Nov. 26, 2024
Abstract
With
the
integration
of
bioelectronics
and
materials
science,
implantable
self‐powered
systems
for
electrical
stimulation
medical
devices
have
emerged
as
an
innovative
therapeutic
approach,
garnering
significant
attention
in
research.
These
achieve
self‐powering
through
integrated
energy
conversion
modules,
such
triboelectric
nanogenerators
(TENGs)
piezoelectric
(PENGs),
significantly
enhancing
portability
long‐term
efficacy
equipment.
This
review
delves
into
design
strategies
clinical
applications
systems,
encompassing
optimization
harvesting
selection
fabrication
adaptable
electrode
materials,
innovations
systematic
strategies,
extensive
utilization
biological
therapies,
including
treatment
neurological
disorders,
tissue
regeneration
engineering,
drug
delivery,
tumor
therapy.
Through
a
comprehensive
analysis
latest
research
progress,
technical
challenges,
future
directions
these
areas,
this
paper
aims
to
provide
valuable
insights
inspiration
further
systems.
Biomacromolecules,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 8, 2025
The
rapid
development
of
flexible
electronics
has
led
to
unprecedented
social
and
economic
improvements.
But
conventional
power
devices
cannot
adapt
the
advances
electronics.
Triboelectric
nanogenerators
(TENGs)
have
been
used
as
robust
sources
transform
ambient
mechanical
energy
into
electricity,
thus
meeting
requirements
Hydrogels
are
widely
for
soft
bioelectronics
owing
decent
stretchability
biocompatibility.
This
Review
presents
recent
progress
in
use
hydrogels
TENGs
self-powered
hydrogel
bioelectronics,
including
synthesis,
fabrication,
their
applications
wearable
electricity
generation,
active
sensing,
therapeutics.
Hydrogel-enabled
emerging
a
novel
form
bioelectronics.
We
provided
critical
analysis
insights
future
opportunities
directions
this
rapidly
evolving
field.
These
advancements
will
push
boundaries
contribute
personalized
healthcare
solutions.
Chemosensors,
Journal Year:
2025,
Volume and Issue:
13(2), P. 76 - 76
Published: Feb. 19, 2025
This
study
investigates
the
triboelectric
performance
of
nanogenerators
based
on
copy
paper
(CP)
and
barium
titanate
(BTO)
with
varying
concentrations
(0%,
5%,
10%,
15%,
20%).
BTO
was
coated
onto
surface
via
screen-printing,
significantly
enhancing
properties.
Results
showed
that
as
concentration
increased,
output
improved,
optimal
observed
at
15%
BTO.
At
this
concentration,
nanogenerator
produced
an
103
V
3.6
µA.
The
CP/BTO
demonstrated
stable
over
57,600
cycles
4
Hz
frequency
40
N
applied
force,
indicating
excellent
durability.
device
attained
a
maximum
power
density
32.4
µWcm2,
highlighting
efficiency
improvement
through
integration.
Various
parameters
including
were
studied
to
optimize
performance.
successfully
powered
60
LEDs
calculator,
demonstrating
its
potential
for
practical
energy
harvesting
applications.
research
presents
promising
approach
developing
low-cost,
environmentally
friendly
power-generating
systems
wearable
portable
devices.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 19, 2025
Abstract
Considering
today's
environmental
concerns,
the
development
of
triboelectric
nanogenerator
(TENG)
is
gaining
immense
interest
as
a
green
energy
harvesting
technology.
However,
most
materials
leveraged
in
TENG
construction
are
based
on
non‐renewable
resources.
Therefore,
developing
bio‐based
composite
with
high
performance
for
application
extremely
desirable.
This
study
uses
Tannic
acid
(TA),
naturally
occurring
polyphenolic
compound,
reactive
bio‐filler
elastomer
Epoxidized
natural
rubber
(ENR‐50).
bio‐composite
utilized
tribo‐positive
pair
construction,
which
resulted
very
output
voltage
751
V
(at
9
Hz)
and
568
5
Hz).
The
maximum
obtained
power
density
recorded
at
Hz
37
W
m
−2
1
MΩ
external
load
resistance
an
average
20
10–100
MΩ.
excellent
results
from
electron‐donating
ability
TA.
It
many‐fold
higher
terms
than
recently
reported
all
bio‐composites.
Density
Functional
Theory
to
probe
contact
electrification
process.
result
correlates
surface
energy,
dielectric,
dynamic
mechanical
properties,
morphologies
(roughness).
Notably
that
such
can
be
promising
material
next‐generation
Biomimetics,
Journal Year:
2025,
Volume and Issue:
10(3), P. 147 - 147
Published: Feb. 27, 2025
Humans
possess
an
innate
ability
to
perceive
a
wide
range
of
objects
through
touch,
which
allows
them
interact
effectively
with
their
surroundings.
Similarly,
tactile
perception
in
artificial
sensory
systems
enables
the
acquisition
object
properties,
human
physiological
signals,
and
environmental
information.
Biomimetic
sensors,
as
emerging
sensing
technology,
draw
inspiration
from
biological
exhibit
high
sensitivity,
rapid
response,
multimodal
perception,
stability.
By
mimicking
mechanisms
microstructures,
these
sensors
achieve
precise
detection
mechanical
thereby
paving
way
for
advancements
applications.
This
review
provides
overview
key
mechanisms,
microstructure
designs,
advanced
fabrication
techniques
biomimetic
sensors.
The
system
architecture
design
is
also
explored.
Furthermore,
highlights
significant
applications
recent
years,
including
texture
recognition,
health
detection,
human–machine
interaction.
Finally,
challenges
future
development
prospects
related
are
discussed.
Nano Letters,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 6, 2025
The
development
of
a
high-performance
polymer
for
robust
droplet-based
triboelectric
nanogenerator
(RD-TENG)
is
crucial
sustainable
energy
harvesting
and
adaptive
sensing
applications
in
harsh
environments.
However,
achieving
thermal
chemical
stability
dielectrics
induction
electrodes
remains
challenge.
This
study
addresses
these
requirements
by
leveraging
the
intrinsic
properties
polyether
ether
ketone
(PEEK),
which
enables
semicrystalline
composites
integration
through
bonding
technique.
rigid
molecular
backbone
PEEK
crystalline
regions
formed
its
orderly
arrangement
impart
thermomechanical
stability.
Incorporating
multiwalled
carbon
nanotubes
allows
tailoring
low
surface
resistance
mechanical
reinforcement.
results
demonstrate
high
glass
transition
temperature
160
°C
structural
integrity
at
300
°C,
along
with
exceptional
durability
electrical
performance
under
long-term
salt
spray,
wide
pH
range,
organic
solvents.
work
offers
valuable
strategy
fabricating
RD-TENG
promotes
advancements
