Macromolecular Materials and Engineering,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 19, 2024
Abstract
Conductive
fiber
membranes
have
received
widespread
attention
due
to
their
excellent
physical
and
chemical
properties.
However,
developing
conductive
for
both
strain
sensing
energy
harvesting
remains
a
challenge.
Herein,
novel
thermoplastic
polyurethane
(TPU)/polydopamine
(PDA)/MXene/carbon
black
(CB)
(TPMC)
fibrous
membrane
is
developed
by
combining
electrospinning
layer‐by‐layer
dip‐coating
processes.
The
TPMC
can
be
used
as
component
of
sensors
triboelectric
nanogenerators
(TENG)
achieve
dual‐mode
human
motion
detection
harvesting.
sensor
boasts
wide
operating
range
(0.5%‐195%),
sensitivity
(with
gauge
factor
(GF)
up
54
at
50%
maximum
GF
6.5×10
4
),
fast
response
(80
ms)
cycle
durability
(over
10
000
cycles),
making
it
possible
detect
slight
or
heavy
activities
under
various
conditions
effectively.
Additionally,
single‐electrode
TENG
utilizing
the
achieves
an
output
voltage
115
V,
current
0.8
µA,
power
density
68
mW
m⁻
2
,
also
serving
self‐powered
movements.
properties
make
promising
future
high‐performance
wearable
devices.
ACS Applied Polymer Materials,
Journal Year:
2024,
Volume and Issue:
6(15), P. 9200 - 9208
Published: July 24, 2024
Due
to
the
rapid
development
of
information
technology
and
trend
toward
miniaturization
electronic
equipment,
research
on
electromagnetic
interference
(EMI)
shielding
materials
is
rapidly
moving
low-dimensional,
core–shell,
lightweight
directions,
with
a
wide
range
application
prospects
in
various
fields.
In
this
study,
using
pDA
as
binder,
poly(vinylidene
difluoride)
(PVDF)/Fe3O4@pDA@Ag
nanofiber
membranes
(NFMs)
multicore–shell
structure
were
prepared
by
situ
growth
Ag
nanoparticle
(NP)
layers
fiber
surface
electrospun
PVDF/Fe3O4
NFMs
fabricated
batch.
Compared
PVDF@pDA@Ag
NFM,
average
EMI
efficiency
(SE)
PVDF/Fe3O4@pDA@Ag
NFM
reached
82.31
dB
because
increased
hysteresis
multireflection
losses
inside
caused
moderate
addition
Fe3O4
NPs.
addition,
synergistic
effect
NPs
microwave
attenuation
impedance
matching
composite
further
enhancing
its
SE.
Smart Materials and Structures,
Journal Year:
2024,
Volume and Issue:
33(9), P. 095046 - 095046
Published: Aug. 30, 2024
Abstract
The
development
of
textile-based
strain
sensors
signifies
a
new
era
for
diverse
e-textile
applications
spanning
various
fields,
including
health
monitoring
and
sensing
equipment.
Over
decades,
the
sensor
field
has
experienced
significant
advancements,
incorporating
enhancements
in
accuracy,
resolution,
measurement
range,
robustness,
among
other
aspects.
Our
article
initially
focuses
on
creation
membrane
customized
range
industrial
applications,
such
as
air
filter
clogging
detection
airflow
analysis.
In
subsequent
part
study,
reliability
washability
performance
membrane,
without
mechanical
damage,
were
investigated.
To
achieve
this,
thermoplastic
polyurethane
nanofibers
utilized
to
fabricate
textile
sensory
membrane.
Subsequently,
this
transparent
(low-pressure
drop)
highly
resilient
was
used
substrate
print
gauge
tracks
using
carbon
conductive
ink,
with
aid
flexible
printed
circuit
board
printer.
resulting
samples
underwent
comprehensive
evaluation
washability.
Prototype
membranes
subjected
twelve
wash
cycles
top-loading
washing
machine
assess
reliability.
Both
electromechanical
properties
examined
both
before
after
process.
factor
straight
line
decreased
from
18.14
(region
I)
86.03
II)
20.22
washing.
This
value
reduced
0.88
4.20
0.33,
13
2.77
3.29
0.81
big
zigzag
small
zigzag,
respectively.
Similarly,
electrical
resistance
change
12
negligible
maximum
1.12.
These
results
indicate
that
maintain
their
functionality
even
exposure
multiple
cycles.
conclusion,
it
can
be
inferred
are
well-suited
aiming
at
low
high-speed
airflows
subject
rigorous
potential
stresses.
Macromolecular Materials and Engineering,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 19, 2024
Abstract
Conductive
fiber
membranes
have
received
widespread
attention
due
to
their
excellent
physical
and
chemical
properties.
However,
developing
conductive
for
both
strain
sensing
energy
harvesting
remains
a
challenge.
Herein,
novel
thermoplastic
polyurethane
(TPU)/polydopamine
(PDA)/MXene/carbon
black
(CB)
(TPMC)
fibrous
membrane
is
developed
by
combining
electrospinning
layer‐by‐layer
dip‐coating
processes.
The
TPMC
can
be
used
as
component
of
sensors
triboelectric
nanogenerators
(TENG)
achieve
dual‐mode
human
motion
detection
harvesting.
sensor
boasts
wide
operating
range
(0.5%‐195%),
sensitivity
(with
gauge
factor
(GF)
up
54
at
50%
maximum
GF
6.5×10
4
),
fast
response
(80
ms)
cycle
durability
(over
10
000
cycles),
making
it
possible
detect
slight
or
heavy
activities
under
various
conditions
effectively.
Additionally,
single‐electrode
TENG
utilizing
the
achieves
an
output
voltage
115
V,
current
0.8
µA,
power
density
68
mW
m⁻
2
,
also
serving
self‐powered
movements.
properties
make
promising
future
high‐performance
wearable
devices.
