High‐Strength Conductive Hydrogel Fiber Prepared Via Microfluidic Technology for Functionalized Strain Sensing
S. Wang,
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Kun Qian,
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Zekai Mei
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et al.
Macromolecular Rapid Communications,
Journal Year:
2025,
Volume and Issue:
unknown
Published: May 7, 2025
The
rapid
advancement
of
wearable
flexible
electronics
has
heightened
the
demand
for
hydrogel
materials
that
combine
mechanical
robustness
with
electrical
conductivity.
Herein,
TEMPO-oxidized
cellulose
nanofibers-Graphene
nanosheets/poly(vinyl
alcohol)-sodium
alginate-tannic
acid
(TOCN-GN/PVA-SA-TA,
TGG)
composite
fibers
are
prepared
by
microfluidic
spinning
technology
to
solve
bottleneck
problems
poor
dispersion
GN
and
imbalance
mechanical-conductive
properties
traditional
hydrogels.
TOCN,
acting
as
a
biotemplate,
effectively
inhibits
agglomeration
via
hydrogen
bonding
interlocking,
thereby
enhancing
facilitating
formation
3D
conductive
networks
within
fibers.
optimized
TGG
achieved
tensile
strength
0.96
MPa,
150%
elongation
at
break,
conductivity
2.66
S
m-1,
while
exhibiting
enhanced
energy
dissipation
fatigue
resistance.
As
strain
sensors,
demonstrated
high
sensitivity
(gauge
factor
is
1.81
40-100%
strain)
response
(≈0.3
s),
enabling
precise
monitoring
joint
movements,
facial
micro-expressions,
swallowing
actions.
Furthermore,
PDMS-encapsulated
textile
sensors
enabled
encrypted
Morse
code
transmission,
demonstrating
innovative
potential
next-generation
in
health
human-machine
interfaces.
Language: Английский
Smart Self-Powered System Based on Supramolecular Conductive Hydrogel for Assistive Elderly Living
Yunlu Wang,
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Mengqi Zhang,
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Zihang Cheng
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et al.
ACS Applied Electronic Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: May 14, 2025
Language: Английский
Advancing Nanogenerators: The Role of 3D-Printed Nanocomposites in Energy Harvesting
Riyamol Kallikkoden Razack,
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Kishor Kumar Sadasivuni
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Polymers,
Journal Year:
2025,
Volume and Issue:
17(10), P. 1367 - 1367
Published: May 16, 2025
Nanogenerators
have
garnered
significant
scholarly
interest
as
a
groundbreaking
approach
to
energy
harvesting,
encompassing
applications
in
self-sustaining
electronics,
biomedical
devices,
and
environmental
monitoring.
The
rise
of
additive
manufacturing
has
fundamentally
transformed
the
production
processes
nanocomposites,
allowing
for
detailed
design
refinement
materials
aimed
at
optimizing
generation.
This
review
presents
comprehensive
analysis
3D-printed
nanocomposites
context
nanogenerator
applications.
By
employing
layer-by-layer
deposition,
multi-material
integration,
custom
microstructural
architectures,
exhibit
improved
mechanical
properties,
superior
conversion
efficiency,
increased
structural
complexity
when
compared
their
conventionally
manufactured
counterparts.
Polymers,
particularly
those
with
inherent
dielectric,
piezoelectric,
or
triboelectric
characteristics,
serve
critical
functional
matrices
these
composites,
offering
flexibility,
processability,
compatibility
diverse
nanoparticles.
In
particular,
careful
regulation
nanoparticle
distribution
3D
printing
significantly
enhances
piezoelectric
functionalities,
resulting
higher
output
greater
consistency.
Recent
investigations
into
three-dimensional-printed
nanogenerators
reveal
extraordinary
outputs,
peak
voltages
much
120
V
BaTiO3-PVDF
densities
surpassing
3.5
mJ/cm2,
effective
d33
values
attaining
35
pC/N,
thereby
emphasizing
transformative
influence
on
performance
harvesting.
Furthermore,
scalability
cost-effectiveness
provide
substantial
benefits
by
reducing
material
waste
streamlining
multi-phase
processing.
Nonetheless,
despite
advantages,
challenges
such
resilience,
long-term
durability,
fine-tuning
parameters
remain
hurdles
widespread
adoption.
assessment
highlights
potential
advancing
technology
offers
valuable
insights
future
research
directions
developing
high-efficiency,
sustainable,
scalable
energy-harvesting
systems.
Language: Английский
From nature to nanotechnology: the synergistic integration of biomimetic nanomaterials and conductive hydrogels for next-generation applications
Ling Niu,
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Bing Bai,
No information about this author
Xin Zhao
No information about this author
et al.
Nanoscale,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
In
recent
years,
double-network
conductive
hydrogels
and
biomimetic
nanomaterials
have
demonstrated
broad
application
prospects
in
fields
such
as
flexible
electronics,
biomedical
engineering,
soft
robotics,
owing
to
their
unique
mechanical
properties,
conductivity,
biocompatibility.
This
paper
systematically
reviews
the
preparation
strategies
for
hydrogels,
including
optimization
innovation
of
methods
physical-chemical
crosslinking,
pure
physical
ionic
conductors
polymer
composites.
Furthermore,
it
delves
into
crucial
role
(0D,
1D,
2D
nanomaterials)
functional
design
hydrogels.
By
mimicking
natural
structures
mechanisms
(such
neuronal
signal
transmission,
skin
perception,
muscle
actuation),
researchers
successfully
developed
high-performance
artificial
muscles,
electronic
skins,
tissue
engineering
scaffolds.
review
also
summarizes
current
research
challenges,
environmental
stability,
biotoxicity,
multi-signal
synergistic
responses,
envisions
future
development
potential
areas
intelligent
sensing,
wearable
devices,
regenerative
medicine.
Language: Английский