Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 30, 2024
The
ocean
wave
energy
is
considered
one
of
the
most
promising
forms
marine
blue
due
to
its
vast
reserves
and
high
density.
However,
traditional
electromagnetic
power
generation
technology
suffers
from
drawbacks
such
as
maintenance
costs,
heavy
structures,
low
conversion
efficiency,
which
restricts
application
range.
triboelectric
nanogenerator
(TENG)
uses
Maxwell
displacement
current
internal
driving
force,
can
efficiently
convert
irregular,
low-frequency,
dispersed
mechanical
into
electrical
energy.
generator
utilizes
coupling
effect
between
contact
electrification
electrostatic
induction,
showing
significant
advantages
light
weight,
cost
effectiveness,
easy
expansion.
Compared
with
harvesting
techniques
generators,
nanogenerators
exhibit
higher
efficiency
output
performance
in
low-frequency
Thus,
based
on
has
emerged
a
highly
potential
alternative
this
field.
Herein,
recent
progress
summarize
latest
advancements
TENG-based
capture
reviewed.
More
importantly,
actual
TENG
different
structures
discussed,
providing
an
overview
research
status
field
for
relevant
researchers.
Advanced Science,
Journal Year:
2024,
Volume and Issue:
unknown
Published: July 9, 2024
Abstract
Triboelectric
nanogenerators
(TENGs)
have
become
reliable
green
energy
harvesters
by
converting
biomechanical
motions
into
electricity.
However,
the
inevitable
charge
leakage
and
poor
electric
field
(EF)
of
conventional
TENG
result
in
inferior
tribo‐charge
density
on
active
layer.
In
this
paper,
TiO
2
‐MXene
incorporated
polystyrene
(PS)
nanofiber
membrane
(PTMx
NFM)
trapping
interlayer
is
introduced
single
electrode
mode
(S‐TENG)
to
prevent
electron
loss
at
interface.
Surprisingly,
charge‐trapping
mechanism
augments
surface
output
performance
TENGs.
Polyvinylidene
difluoride
(PVDF)
mixed
polyurethane
(PU)
NFM
used
as
tribo‐active
layer,
which
improves
crystallinity
mechanical
property
PVDF
delamination
during
long
cycle
tests.
Herein,
effect
double‐layer
capacitive
model
explained
experimentally
theoretically.
With
optimization
PTMx
thickness,
S‐TENG
exhibits
a
maximum
open‐circuit
voltage
(280
V),
short‐circuit
current
(20
µA)
transfer
(120
nC),
power
(25.2
µW
cm
−2
).
Then,
utilized
electrical
appliances.
addition,
influence
AC/DC
EF
simulation
wound
healing
management
(vitro
L929
cell
migration,
vivo
tissue
regeneration)
also
investigated
changing
polarity
trans‐epithelial
potential
(TEP)
distribution
wounded
area.
Advanced Science,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 14, 2025
Abstract
Severe
bone
and
cartilage
defects
caused
by
trauma
are
challenging
to
treat,
often
resulting
in
poor
outcomes.
An
endogenous
electric
field
(EnEF)
is
crucial
for
regeneration,
making
electrical
materials
a
promising
therapy.
This
review
provides
comprehensive
overview
of
the
role
bioelectric
signals
cells,
alongside
recent
advancements
biomaterials,
with
particular
emphasis
on
nanogenerators,
piezoelectric
materials,
triboelectric
scaffolds,
zwitterionic
hydrogels.
It
further
investigates
impact
these
biomaterials
as
well
applications
both
exogenous
stimulation
(ES)
mechanisms
underlying
ES‐induced
cellular
molecular
responses.
Finally,
underscores
future
directions
ES
systems
tissue
engineering,
emphasizing
critical
importance
integrating
structural
integrity,
mechanical
properties,
signal
delivery
into
intelligent
implantable
scaffolds.
Small,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 21, 2025
Abstract
Dynamic
wound
care
presents
significant
challenges
for
conventional
dressings
due
to
the
complex
environment
and
high‐frequency
motion
associated
with
such
injuries.
In
this
study,
a
multifunctional
photo‐crosslinked
piezoelectric
hydrogel
(OAPS)
is
developed,
incorporating
heterojunction
Se‐doped
KH570
modified
BaTiO
3
nanoparticles
(Se‐BT570
NPs)
as
core
component,
designed
address
antimicrobial
monitoring
needs
in
care,
particularly
at
sites
movement.
The
OAPS
effectively
utilizes
inherent
dynamic
wounds,
enhancing
efficacy
enabling
real‐time
of
human
health
statuses.
This
achieved
through
synergistic
effects
properties
nano‐heterostructures
that
enable
self‐driven
charge
transfer.
Such
integration
allows
dual
applications
both
diagnosis
treatment.
Experimental
results
demonstrated
exhibits
excellent
mechanical
strength
adhesive
properties,
adapting
motion.
Additionally,
can
be
activated
by
environments
perform
functions,
significantly
accelerating
healing
an
rate
99.75%.
study
highlights
potential
nanomaterials
healing,
offering
promising
strategy
managing
complex,
care.
High
transparency
and
durable
antifouling
surfaces
are
crucial
for
Marine
applications.
However,
achieving
a
long-lasting
marine
coating
that
combines
both
properties
high
transmittance
remains
significant
challenge.
In
this
study,
we
present
novel
high-adhesion,
self-healing
Slippery
Liquid-Infused
Porous
Surface
(SLIPS)
with
unique
three-arm
structure,
designed
from
poly(dimethylsiloxane)
supramolecular
polymer,
inspired
by
the
design
of
natural
spider
webs.
This
structure
leverages
multistrength
dynamic
hydrogen
bonds,
including
quadruple
bond
motif,
2-ureido-4-pyrimidinone
(UPy)
unit.
The
enhances
adhesion
providing
additional
binding
sites,
which
facilitate
interactions
interfacial
groups
through
rearrangement
UPy
units.
Importantly,
exhibits
enhanced
chain
mobility
due
to
placement
units
on
side
chains,
resulting
in
efficiency
80%
after
24
h
underwater
environments.
performance
is
substantially
higher
than
coatings
main
chain,
achieve
only
30%
efficiency.
Furthermore,
prepared
not
exhibited
improved
(∼93.9%)
but
also
demonstrated
flexibility,
properties,
resistance
biological
contamination.
strategy
presents
promising
solution
manufacturing
multifunctional
materials
tailored
features
intricate
structures.
These
demonstrate
strong
self-cleaning
suitable
use
harsh
conditions,
applications
like
windows
optical
sensor
protection.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 28, 2025
Abstract
Thermal
management
plays
an
indispensable
role
in
the
ever‐emerging
flexible
electronics,
as
undercooling
or
overheating
can
severely
impact
their
performance
and
longevity.
There
is
growing
interest
zero‐energy
thermal
skins
for
electronics.
The
unidirectional
cooling
effect
of
radiative
exacerbate
burden
heating
electronics
cold
environments.
Temperature‐responsive,
self‐adaptive
thermoregulated
sheets
leveraging
Fabry‐Pérot
cavities
exhibit
limited
flexibility,
rendering
them
unsuitable
Their
single‐resonator
design
with
a
fixed
cavity
length
also
limits
long‐wave
infrared
(LWIR)
emissivity
(ɛ)
regulation
efficiency
(Δɛ)
spectral
coverage.
Extending
this
to
multi‐resonator
configurations
on
3D
fabric's
nanofibers
has
potential
enhance
Δɛ
coverage,
which
remains
challenging.
A
temperature‐responsive
metafabric
featuring
nanofibrous
resonators
reported
first
time,
achieving
up
0.69,
ɛ
0.85
at
hot
temperatures
0.16
temperatures,
while
regulating
visible
(VIS)
near‐IR
(NIR)
light
from
solar
irradiation,
thereby
enabling
thermoregulation.
multi‐fibrous
resonator
system
offers
5.6‐fold
increase
3.8‐fold
broader
coverage
compared
single
fibrous
resonator.
This
passive
VIS‐NIR‐LWIR
eco‐friendly
solution
thermoregulation
under
fluctuating
temperatures.
Materials Horizons,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Jan. 1, 2024
Endowing
soft
and
long-range
stretchable
elastomers
with
exceptional
strength,
resilience,
ion-conductivity
is
crucial
for
high-performance
flexible
sensors.
However,
achieving
this
entails
significant
challenges
due
to
intrinsic
yet
mutually
exclusive
structural
factors.
In
work,
a
series
of
self-reinforcing
ion-conductive
(SRICEs)
thus
designed
meet
the
advanced
but
challenging
requirements.
The
SRICEs
behave
like
soft/hard
dual-phase
separated
micro-structure,
which
optimized
through
straightforward
preferential
assembly
strategy
(PAS)
ensure
that
subsequently
introduced
ions
are
locked
in
phase.
Meanwhile,
interaction
between
segments
meticulously
tailored
achieve
self-reinforcement
strain-induced
crystallization.
Consequently,
an
outstanding
ultimate
strength
approximately
∼51.0
MPa
instant
resilient
efficiency
∼92.9%
attained.
To
best
knowledge
authors,
these
record-high
values
achieved
simultaneously
one
elastomer.
Furthermore,
resultant
toughness
∼202.4
MJ
m
