RSC Advances,
Год журнала:
2023,
Номер
13(45), С. 31738 - 31755
Опубликована: Янв. 1, 2023
Thermal
management,
including
heating
and
cooling,
plays
an
important
role
in
human
productive
activities
daily
life.
Nevertheless,
the
actual
environment,
almost
all
ambient
scenarios
come
with
challenge
that
objects
are
located
a
quite
dynamic
variable
which
includes
fluctuations
aspects
such
as
space,
time,
sunlight,
season,
temperature.
It
is
imperative
to
develop
low-energy
or
even
zero-energy
thermal-management
technologies
renewable
clean
energy.
In
this
review,
we
summarised
latest
technological
advances
prospects
burgeoning
field.
First,
present
fundamental
principles
of
daytime
passive
radiative
cooling
(PDRC)
thermal
management
device.
Next,
domain
dual-mode
systems,
they
classified
into
various
types
based
on
diverse
mechanisms
transitioning
between
states,
electrical
responsive,
mechanical
temperature
solution
responsive.
Furthermore,
conducted
in-depth
analysis
design
methodologies
associated
these
categories,
followed
by
comparative
assessment
their
performance
solar
applications.
Finally,
review
presents
challenges
opportunities
dual
mode
while
also
identifying
future
directions.
ACS Applied Energy Materials,
Год журнала:
2024,
Номер
7(5), С. 1777 - 1791
Опубликована: Фев. 23, 2024
The
thin
physical
profile
of
perovskite-based
solar
cells
(PSCs)
fabricated
on
flexible
substrates
provides
the
prospect
a
disruptive
increase
in
specific
power
(power-to-mass
ratio),
an
important
figure-of-merit
for
to
be
used
space
applications.
In
contrast
recent
reports
applications
PSCs
which
focus
rigid
glass-based
devices,
this
work
we
investigate
suitability
low-earth
orbit
(LEO)
applications,
where
perovskite
layer
was
prepared
using
either
Ruddlesden–Popper
precursor
composition
(BA2MA3Pb4I13;
BA
=
butylammonium,
MA
methylammonium)
or
mixed-cation
(Cs0.05FA0.81MA0.14Pb2.55Br0.45;
FA
formamidinium).
PSC
devices
display
tolerance
high-energy
proton
(14
MeV)
and
electron
(>1
radiation
comparable
with,
superior
to,
equivalent
devices.
photovoltaic
performance
is
found
significantly
less
dependent
angle-of-incidence
than
GaAs-based
triple-junction
commonly
Results
from
preliminary
test
robustness
film
when
subjected
LEO-like
thermal
environments
are
also
reported.
addition,
unique
deployment
concept
integrating
printed
with
titanium–nickel
based
shape
memory
alloy
ribbons
presented
thermally
actuated
rolled
state.
Smart Materials and Structures,
Год журнала:
2024,
Номер
33(4), С. 045011 - 045011
Опубликована: Фев. 29, 2024
Abstract
The
application
of
shape
memory
alloy
(SMA)
actuated
soft
grippers
is
limited
by
their
slow
recovery
speed.
In
order
to
further
expand
range,
as
one
the
solutions
address
this
limitation,
paper
proposes
a
fast
gripper
based
on
SMA
wire
active
heat
dissipation
and
elastic
rib
combination
meet
rapid
actuation
recovery.
structure
primarily
consists
module
capable
winding
resembling
scorpion
tail
with
embedded
supper
wire.
geometric
model,
dynamics
constitutive
model
finite
element
are
established,
lateral
deformation
bionic
end
analyzed
through
simulations
experiments.
addition,
force
in
designed
tip
its
ability
grasp
different
objects
also
studied
results
show
that
addition
cooling
fan
increased
rate
about
25%,
can
reach
0.12
N.
successfully
softness,
shape,
size
weight.
It
lays
theoretical
foundation
technical
support
for
development
future.
Advanced Intelligent Systems,
Год журнала:
2024,
Номер
6(11)
Опубликована: Март 21, 2024
Auxetic
metamaterials,
characterized
by
their
negative
Poisson's
ratio,
have
garnered
significant
interest
in
various
fields
due
to
unique
mechanical
properties.
This
article
presents
a
pioneering
approach
the
development
of
auxetic
smart
metamaterials
using
shape
memory
alloy
(SMA)
as
core
material.
As
SMAs
can
be
Joule
heated
change
between
low‐
and
high‐temperature
phases
trigger
actuation
structure,
metamaterial
actively
modify
its
stiffness
produce
bidirectional
with
single
power
input
bias
element.
The
proposed
active
consists
an
SMA
plate
patterned
cuts,
creating
hinges
that
modulate
deformation
structure
behavior.
work
looks
at
impact
different
geometric
parameters
on
behavior
including
generated
force,
maximum
strain,
ratio.
study
also
investigates
effect
number
segmented
units,
revealing
designs
more
units
suffer
from
stress
concentrations
near
attachment
points,
limiting
advantages.
shows
materials
help
imbue
such
properties
facilitate
implementation
future
robotic
applications.
RSC Advances,
Год журнала:
2023,
Номер
13(45), С. 31738 - 31755
Опубликована: Янв. 1, 2023
Thermal
management,
including
heating
and
cooling,
plays
an
important
role
in
human
productive
activities
daily
life.
Nevertheless,
the
actual
environment,
almost
all
ambient
scenarios
come
with
challenge
that
objects
are
located
a
quite
dynamic
variable
which
includes
fluctuations
aspects
such
as
space,
time,
sunlight,
season,
temperature.
It
is
imperative
to
develop
low-energy
or
even
zero-energy
thermal-management
technologies
renewable
clean
energy.
In
this
review,
we
summarised
latest
technological
advances
prospects
burgeoning
field.
First,
present
fundamental
principles
of
daytime
passive
radiative
cooling
(PDRC)
thermal
management
device.
Next,
domain
dual-mode
systems,
they
classified
into
various
types
based
on
diverse
mechanisms
transitioning
between
states,
electrical
responsive,
mechanical
temperature
solution
responsive.
Furthermore,
conducted
in-depth
analysis
design
methodologies
associated
these
categories,
followed
by
comparative
assessment
their
performance
solar
applications.
Finally,
review
presents
challenges
opportunities
dual
mode
while
also
identifying
future
directions.
