Research Square (Research Square),
Год журнала:
2023,
Номер
unknown
Опубликована: Сен. 18, 2023
Abstract
Artificial
muscles
are
soft
actuators
used
to
mimic
human
muscle
movements,
but
using
oxide
ceramics
fabricate
high-modulus
artificial
is
a
challenge
since
they
prone
fracture
during
homochiral
torsion.
Here,
we
report
strategy
of
ceramic
metallization
solve
the
problem
low-shear
and
low-stretchability
coiled
alumina
yarn
with
solenoid
structure.
The
can
carry
objects
0.28
million
times
its
own
weight
provide
high
actuation
stress
483.5
MPa
while
maintaining
large
tensile
stroke
13.5%.
In
addition,
it
shows
contraction
power
18
an
energy
density
240
muscles,
as
well
conversion
efficiency
7.59%
under
electric
drive
mode,
which
far
exceed
most
reported
polymer
carbon
muscles.
This
work
realizes
large-scale
fabrication
Journal of Physics D Applied Physics,
Год журнала:
2024,
Номер
57(48), С. 482001 - 482001
Опубликована: Авг. 28, 2024
Abstract
The
energy
crisis
has
already
seriously
affected
the
daily
lives
of
people
around
world.
As
a
result,
designing
efficient
catalysts
for
photocatalytic
hydrogen
evolution
(PHE)
is
promising
strategy
supply.
Co-catalyst
modification
can
significantly
enhance
activity
single
semiconductors,
overcoming
limitations
posed
by
their
narrow
visible
light
absorption
range
and
high
electron–hole
recombination
rate.
MXene-based
composites
demonstrate
immense
potential
as
co-catalysts
production
owing
to
distinctive
two-dimensional
layered
structure
outstanding
photoelectrochemical
properties,
further
research
development
efforts
surrounding
will
contribute
progress
sustainable
technologies.
In
this
review,
we
offer
comprehensive
overview
synthesis
methods
MXene
composites,
highlight
illustrative
instances
binary
ternary
in
PHE,
explore
avenues
future
expansion
composites.
Journal of Materials Chemistry C,
Год журнала:
2024,
Номер
12(44), С. 17742 - 17788
Опубликована: Янв. 1, 2024
This
review
article
offers
a
comprehensive
overview
of
toughening
methods
and
mechanisms
for
flexible
ceramic
materials,
highlighting
potential
applications
future
opportunities.
Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 23, 2025
Abstract
Fiber‐based
artificial
muscles
are
soft
actuators
used
to
mimic
the
movement
of
human
muscles.
However,
using
high
modulus
oxide
ceramics
fabricate
with
energy
and
power
is
a
challenge
as
they
prone
brittle
fracture
during
torsion.
Here,
ceramic
metallization
strategy
reported
that
solves
problem
low
torsion
ductility
alumina
(Al
2
O
3
)
by
chemical
plating
thin
copper
layer
on
filaments.
These
filaments
≈180
GPa
can
be
twisted
into
chiral
coiled
muscles,
exhibiting
unique
electric
thermal
actuation
mechanism.
This
tough
robust
muscle
carry
objects
equivalent
0.28
million
times
its
weight
provide
stress
up
483.5
MPa.
In
addition,
it
exhibits
18
higher
contraction
240
density
than
well
conversion
efficiency
7.59%,
which
far
exceeds
most
actuated
carbon
polymer
work
has
achieved
large‐scale
manufacturing
high‐modulus
for
first
time.
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 10, 2024
Abstract
Simultaneously
endowing
carbon
nanofibers
(CNFs)
with
flexibility,
flame‐resistant
properties,
and
high
sonoelectric/mechanical‐electric
energy
conversion
efficiency
is
quite
challenging,
restricting
their
wide
application
to
smart
fabrics.
Herein,
a
carbon‐based
nanofiber
prepared
by
electrospinning
subsequent
carbonization
the
formation
of
Bi
20
TiO
32
(BT),
followed
in
situ
growth
hydrothermally
produced
2
S
3
(B)
MoS
(M)
successively.
Compared
pure
CNF,
synthesized
carbon/Bi
/MoS
/Bi
(CBT/M/B)
fiber
exhibited
not
only
enhanced
flexibility
antiflaming
performance
but
also
sensitive
ability
mechanical
power
into
electricity.
Its
due
its
micro/nanostructure
interactions
between
grain
boundaries.
Importantly,
CBT/M/B
achieved
realization
relying
on
unique
human
motion
provide
convert
it
piezoelectric
manner,
thus
exhibiting
satisfactory
antibacterial
effects.
This
research
provides
valuable
insights
wearable
fibers
characterized
flexible,
antiflaming,
mechanosensitive
functions.
Journal of Materials Chemistry C,
Год журнала:
2024,
Номер
12(15), С. 5377 - 5385
Опубликована: Янв. 1, 2024
Here,
flexible
defective
Zr/TiO
2−
x
nanofiber
film
was
prepared,
and
the
rather
high
selectivity
for
photoreduction
of
CO
2
to
CH
4
could
be
achieved
due
synergetic
effect
OVs
structure.
