Materials,
Год журнала:
2024,
Номер
18(1), С. 33 - 33
Опубликована: Дек. 25, 2024
As
an
emerging
self-powered
technology,
triboelectric
nanogenerators
have
the
characteristics
of
a
simple
structure,
high
conversion
efficiency,
diverse
material
selection,
and
stable
output.
Hydrogels
advantages
flexibility,
extensibility,
shape
adaptability,
which
means
that
hydrogel-based
(H-TENGs)
self-healing
abilities,
conductivity,
fatigue
resistance.
They
can
still
operate
normally
in
scenarios
involving
bending,
pressing,
stretching,
folding.
H-TENGs
offer
method
versatile
sustainable
innovation
sports
monitoring.
This
review
elucidates
working
principles
modes
H-TENGs,
examines
H-TENG
are
relevant
to
intelligent
sports,
summarizes
their
applications
this
field.
paper
concludes
with
discussion
on
development
sports.
Journal of Polymer Science,
Год журнала:
2024,
Номер
62(20), С. 4599 - 4611
Опубликована: Июль 19, 2024
Abstract
As
a
soft
material
with
biocompatibility
and
stimulation
response,
ionic
conductive
hydrogel‐based
wearable
strain
sensors
show
great
potential
across
wide
spectrum
of
engineering
disciplines,
but
their
mechanical
toughness
is
limited
in
practical
applications.
In
this
study,
freeze‐thawing
techniques
were
utilized
to
fabricate
double‐network
hydrogels
poly(vinyl
alcohol)/polyacrylamide
(PVA/PAM)
both
covalent
physical
cross‐linking
networks.
These
demonstrate
excellent
performance,
an
elongation
at
break
2253%
tensile
strength
268.2
kPa.
Simultaneously,
they
also
display
high
sensitivity
(Gage
factor,
GF
=
2.32
0%–200%
strain),
achieve
rapid
response
time
368
ms
without
the
addition
extra
fillers
or
ions,
stable
signal
transmission
even
after
multiple
cycles,
fast
human
motion
detection.
Advanced Materials,
Год журнала:
2023,
Номер
36(13)
Опубликована: Дек. 15, 2023
Abstract
Stretchable
conductive
fibers
play
key
roles
in
electronic
textiles,
which
have
substantial
improvements
terms
of
flexibility,
breathability,
and
comfort.
Compared
to
most
existing
electron‐conductive
fibers,
ion‐conductive
are
usually
soft,
stretchable,
transparent,
leading
increasing
attention.
However,
the
integration
desirable
functions
including
high
transparency,
stretchability,
conductivity,
solvent
resistance,
self‐healing
ability,
processability,
recyclability
remains
a
challenge
be
addressed.
Herein,
new
molecular
strategy
based
on
dynamic
covalent
cross‐linking
networks
is
developed
enable
continuous
melt
spinning
ionogel
fiber
with
aforementioned
properties.
As
proof
concept,
adaptable
covalently
cross‐linked
dimethylglyoximeurethane
(DOU)
groups
(DOU‐IG
fiber)
prepared.
The
resultant
DOU‐IG
exhibited
transparency
(>93%),
tensile
strength
(0.76
MPa),
stretchability
(784%),
resistance.
Owing
DOU
groups,
shows
healing
performance
using
near‐infrared
light.
Taking
advantage
multifunctional
ionotronics
several
functionalities
sensor,
triboelectric
nanogenerator,
electroluminescent
display
fabricated
used
for
motion
monitoring,
energy
harvesting,
human–machine
interaction.
It
believed
that
these
promising
fabricating
next
generation
textiles
other
wearable
electronics.
Gels,
Год журнала:
2024,
Номер
10(3), С. 172 - 172
Опубликована: Фев. 28, 2024
In
recent
decades,
hydrogels
have
emerged
as
innovative
soft
materials
with
widespread
applications
in
the
medical
and
biomedical
fields,
including
drug
delivery,
tissue
engineering,
gel
dosimetry.
this
work,
a
comprehensive
study
of
macroscopic
microscopic
properties
hydrogel
matrices
based
on
Poly(vinyl-alcohol)
(PVA)
chemically
crosslinked
Glutaraldehyde
(GTA)
was
reported.
Five
different
kinds
PVAs
differing
molecular
weight
degree
hydrolysis
were
considered.
The
local
organization
studied
through
use
ACS Nano,
Год журнала:
2023,
Номер
18(1), С. 89 - 118
Опубликована: Дек. 26, 2023
Fiber/textile-based
actuators
have
garnered
considerable
attention
due
to
their
distinctive
attributes,
encompassing
higher
degrees
of
freedom,
intriguing
deformations,
and
enhanced
adaptability
complex
structures.
Recent
studies
highlight
the
development
advanced
fibers
textiles,
expanding
application
scope
fiber/textile-based
across
diverse
emerging
fields.
Unlike
sheet-like
soft
actuators,
fibers/textiles
with
intricate
structures
exhibit
versatile
movements,
such
as
contraction,
coiling,
bending,
folding,
achieved
through
adjustable
strain
stroke.
In
this
review
article,
we
provide
a
timely
comprehensive
overview
fiber/textile
including
structures,
fabrication
methods,
actuation
principles,
applications.
After
discussing
hierarchical
structure
deformation
actuator,
discuss
various
spinning
strategies,
detailing
merits
drawbacks
each.
Next,
present
principles
fiber/fabric
along
common
external
stimuli.
addition,
summary
applications
actuators.
Concluding
an
assessment
existing
challenges
future
opportunities,
aims
valuable
perspective
on
enticing
realm
ACS Applied Polymer Materials,
Год журнала:
2024,
Номер
6(12), С. 7020 - 7035
Опубликована: Апрель 23, 2024
Flexible
strain
sensors
based
on
hydrogels
have
shown
promising
application
prospects
in
artificial
tissue
and
body
deformation
monitoring.
However,
hydrogel-based
with
ideal
structural
performance,
self-healing
ability,
detection,
adhesion
remain
challenging.
Herein,
a
dual-network
hydrogel
(PG-B-T)
flexible
sensor
poly(vinyl
alcohol)
(PVA)
gelatin
was
developed,
which
were
multidynamically
cross-linked
via
the
one-pot
approach.
The
noncovalent
bonds
of
by
tannic
acid
(TA)
could
form
first
network
impart
stability
antibacterial
while
second
constructed
reversible
borate
ester
PVA
borax
showed
capability
electric
conductivity.
As
such,
prepared
PG-B-T
demonstrated
exceptional
ductility
(strain
>1000%)
high
sensitivity
(GF
=
2.51).
In
air
or
an
underwater
environment,
can
perform
wide
working
range,
such
as
capability,
electrical
properties,
sensing
properties.
Meanwhile,
hydrogen
enabled
strong
to
some
classic
substrates,
not
only
allowing
monitor
movements
detect
vocal
vibration
signals
but
also
achieving
information
transmission
Morse
code
finger
movement.
Consequently,
this
work
provided
significant
strategy
for
developing
multifunctional
strain-sensitive
that
conveniently
effectively
motion
variation.
Abstract
Spider
silk,
possessing
exceptional
combination
properties,
is
classified
as
a
bio‐gel
fiber.
Thereby,
it
serves
valuable
origin
of
inspiration
for
the
advancement
various
artificial
gel
fiber
materials
with
distinct
functionalities.
Gel
fibers
exhibit
promising
potential
utilization
in
diverse
fields,
including
smart
textiles,
muscle,
tissue
engineering,
and
strain
sensing.
However,
there
are
still
numerous
challenges
improving
performance
functionalizing
applications
spider
silk‐inspired
fibers.
Thus,
to
gain
penetrating
insight
into
bioinspired
fibers,
this
review
provided
comprehensive
overview
encompassing
three
key
aspects:
fundamental
design
concepts
implementing
strategies
properties
strengthening
functionalities
application
prospects
In
particular,
multiple
toughening
mechanisms
were
introduced
at
micro,
nano,
molecular‐level
structures
Additionally,
existing
summarized.
This
aims
offer
significant
guidance
development
inspire
further
research
field
high‐performance
