Advanced Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 30, 2024
Abstract
Aerogels
are
most
attractive
for
thermal
clothing.
However,
mechanical
fragility
and
structural
instability
restrict
their
practical
applications.
These
issues
overcome
by
developing
industrial
scale
sea‐island
melt‐spun
ultrafine
fibers
with
large
uniform
length‐to‐diameter
as
building
blocks,
which
assembled
into
aerogel
felts
corrugated
lamellar
structure
through
freeze‐shaping
technology.
aerogels
possess
excellent
properties
to
meet
fabric
elasticity
comfort
needs,
including
super‐flexibility
(25%
tensile
strain,
95%
compression,
180°
bending
performance)
fatigue
resistance
of
over
10,000
cycles.
The
also
self‐cleaning,
waterproof,
breathable,
flame‐retardant,
making
them
suitable
application
requirements
in
extreme
environments.
Moreover,
the
obtained
felt
clothing
exhibits
insulation
close
that
dry
air,
is
only
one‐third
thick
down
similar
insulating
properties.
Expanding
fiber
construct
this
strategy
provides
scalable
potential
multifunctional
Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 5, 2025
Textiles
have
played
a
pivotal
role
in
human
development,
evolving
from
basic
fibers
into
sophisticated,
multifunctional
materials.
Advances
material
science,
nanotechnology,
and
electronics
propelled
next-generation
textiles
beyond
traditional
functionalities,
unlocking
innovative
possibilities
for
diverse
applications.
Thermal
management
incorporate
ultralight,
ultrathin
insulating
layers
adaptive
cooling
technologies,
optimizing
temperature
regulation
dynamic
extreme
environments.
Moisture
utilize
advanced
structures
unidirectional
transport
breathable
membranes,
ensuring
exceptional
comfort
activewear
outdoor
gear.
Protective
exhibit
enhanced
features,
including
antimicrobial,
antiviral,
anti-toxic
gas,
heat-resistant,
radiation-shielding
capabilities,
providing
high-performance
solutions
healthcare,
defense,
hazardous
industries.
Interactive
integrate
sensors
monitoring
physical,
chemical,
electrophysiological
parameters,
enabling
real-time
data
collection
responses
to
various
environmental
user-generated
stimuli.
Energy
leverage
triboelectric,
piezoelectric,
hygroelectric
effects
improve
energy
harvesting
storage
wearable
devices.
Luminous
display
textiles,
electroluminescent
fiber
optic
systems,
enable
visual
applications
fashion
communication.
These
advancements
position
at
the
forefront
of
materials
significantly
expanding
their
potential
across
wide
range
Advanced Materials,
Год журнала:
2024,
Номер
36(44)
Опубликована: Сен. 12, 2024
Abstract
Practical
applications
of
existing
self‐healing
ionogels
are
often
hindered
by
the
trade‐off
between
their
mechanical
robustness,
ionic
conductivity,
and
temperature
requirements
for
ability.
Herein,
this
challenge
is
addressed
drawing
inspiration
from
sea
cucumber.
A
polyurethane
containing
multiple
hydrogen‐bond
donors
acceptors
synthesized
used
to
fabricate
room‐temperature
with
excellent
properties,
high
puncture
resistance,
impact
resistance.
The
hard
segments
polyurethane,
driven
hydrogen
bonds,
coalesce
into
phase
regions,
which
can
efficiently
dissipate
energy
through
reversible
disruption
reformation
bonds.
Consequently,
resulting
exhibit
record‐high
tensile
strength
toughness
compared
other
ionogels.
Furthermore,
inherent
reversibility
bonds
within
regions
allows
spontaneously
self‐heal
damaged
properties
conductivity
times
at
room
temperature.
To
underscore
application
potential,
these
employed
as
electrolytes
in
fabrication
electrochromic
devices,
stable
performance,
repeatable
healing
ability,
satisfactory
This
study
presents
a
novel
strategy
exceptional
capability.
Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 22, 2025
Abstract
Dynamic
covalent
polymer
networks
(DCPN)
provide
an
important
solution
to
the
challenging
recyclability
of
thermoset
elastomers.
However,
dynamic
bonds
exhibit
relatively
weak
bond
energies,
considerably
decreasing
mechanical
properties
DCPN.
Herein,
a
novel
reinforcement
strategy
for
DCPN
involving
in
situ
formation
supramolecular
organic
nanofillers
through
asynchronous
polymerization
is
proposed.
Owing
difference
reactivity
isocyanate
groups
and
gradual
deblocking
aldimine,
cross‐linking
hexamethylene
diisocyanate
isocyanate‐terminated
prepolymer
containing
oxime–urethane
with
deblocked
tris(2‐aminoethyl)amine
facilitates
transition
from
molecular
interpenetration
chains
into
immiscible
polymerization.
This
results
thermodynamic
incompatibility
between
hyperbranched
clusters
long
chains,
inducing
spontaneous
nanofillers.
Compared
traditional
strategies,
improve
Furthermore,
interactions
enable
network
excellent
recyclability.
The
unique
prepared
allow
their
combination
carbon
fibers
(CF)
form
CF
composites
outstanding
personal‐protection
applications,
achieving
composite
upcycling.
study
offers
on
upcycling
high‐performance
composites.
With
the
advent
of
smart
era,
demand
for
clean
energy
is
rising,
and
flexible
triboelectric
nanogenerators
(F-TENGs)
based
on
elastomers
have
garnered
significant
attention.
Based
principles
electrostatic
induction
coupling,
F-TENGs
can
convert
mechanical
motion
into
electrical
are
widely
utilized
in
wearable
devices
blue
energy.
offer
a
simple
design,
ease
manufacturing,
usage
scenarios.
However,
several
weaknesses
still
limit
their
development.
For
example,
F-TENG
materials
cannot
recover
from
fatigue
damage
prone
to
output
performance
degradation
under
frequent
friction
or
complex
external
conditions,
leading
failure.
To
address
these
issues,
researchers
explored
use
self-healable
polymer-based
layers
electrodes.
This
review
will
provide
detailed
summary
key
scientific
technological
challenges
faced
by
harsh
environments,
including
ambient,
high
low
temperatures,
humidity,
strong
acids
bases.
Furthermore,
research
progress
addressing
issues
future
development
also
be
presented
explored.
paper
aims
valuable
insights
guidance
in-depth
broad
applications
TENGs.
The
development
of
soft
electronics
and
fiber
devices
has
significantly
advanced
flexible
wearable
technology.
However,
they
still
face
the
risk
damage
when
exposed
to
sharp
objects
in
real-life
applications.
Taking
inspiration
from
nature,
self-healable
materials
that
can
restore
their
physical
properties
after
external
offer
a
solution
this
problem.
Nevertheless,
large-scale
production
fibers
is
currently
constrained.
To
address
limitation,
study
leverages
thermal
drawing
technique
create
elastic
stretchable
thermoplastic
polyurethane
(STPU)
fibers,
enabling
cost-effective
mass
such
functional
fibers.
Furthermore,
despite
substantial
research
into
mechanisms
materials,
quantifying
healing
speed
time
poses
persistent
challenge.
Thus,
transmission
spectra
are
employed
as
monitoring
tool
observe
real-time
self-healing
process,
facilitating
an
in-depth
investigation
kinetics
efficiency.
versatility
fabricated
extends
its
ability
be
doped
with
wide
range
including
dye
molecules
magnetic
microparticles,
which
enables
modular
assembly
develop
distributed
strain
sensors
actuators.
These
achievements
highlight
potential
applications
seamlessly
integrate
daily
lives
open
up
new
possibilities
various
industries.
Advanced Functional Materials,
Год журнала:
2024,
Номер
35(8)
Опубликована: Сен. 26, 2024
Abstract
Fiber‐based
thermoelectric
(TE)
device
that
can
collect
waste
heat
of
human
body
and
convert
it
into
electricity
is
growing
fast
great
significance
for
sustainable
development.
Although
ionic
(i‐TE)
ionogels
are
considered
to
be
the
next
generation
TE
materials,
construct
ionogel
fiber
with
synergistically
enhanced
mechanical
i‐TE
performances
remains
big
challenge.
Herein,
poly(vinylidene
fluoride‐co‐hexafluoropropylene)/1‐ethyl‐3‐methylimidazolium
dicyanamide/ethanol/NaTFSI/SiO
2
(PH/ED‐E‐Na‐SiO
)
ultrahigh
Seebeck
coefficient
47.5
mV
K
−1
conductivity
43.7
mS
cm
constructed
by
a
proposed
antisolvent‐doping‐hybrid
synergistic
strategy.
The
mainly
attributed
low
crystalline
structure
improvement
in
ions
dissociation,
migration,
diffusion
difference.
corresponding
power
factor
PH/ED‐E‐Na‐SiO
film
as
high
9845.8
µW
m
−2
,
which
almost
highest
value
ever
reported.
Based
on
this,
comparable
significantly
tensile
strength
strain
(from
327
KPa
47%
17.7
MPa
70%
fiber)
prepared
simple
coating
process.
It
weaved
wearable
generates
thermovoltage
lights
light‐emitting
diode
(LED)
bulb,
demonstrating
its
application
potential
energy
supply
device.
