Science Advances,
Journal Year:
2024,
Volume and Issue:
10(49)
Published: Dec. 4, 2024
Solar-thermal
energy
storage
(STES)
within
solid-liquid
phase
change
materials
(PCMs)
has
emerged
as
an
attractive
solution
to
overcome
intermittency
of
renewable
energy.
However,
current
systems
usually
suffer
from
slow
charging
rates,
sacrificed
capacity,
and
overheating
tendency.
Inspired
by
the
thermoregulation
behavior
Cyprinid
fish,
here,
we
present
a
quick-responsive,
ultrafast,
large-capacity,
overheating-protective
STES
strategy.
We
fabricate
liquid-infused
solar-absorbing
foam
charger
that
can
rapidly
advance
receding
interface
efficiently
store
solar-thermal
latent
heat
spontaneously
float
upward
cease
process
upon
overheating.
This
bioinspired
dynamic
is
adaptable
variety
PCMs,
unlocking
potential
for
safe
efficient
utilization
thermal
Langmuir,
Journal Year:
2024,
Volume and Issue:
40(14), P. 7747 - 7759
Published: March 25, 2024
Ice
and
snow
disasters
have
greatly
affected
both
the
global
economy
human
life,
search
for
efficient
stable
anti-icing/deicing
coatings
has
become
main
goal
of
much
research.
Currently,
development
application
are
severely
limited
due
to
their
complex
preparation,
structural
fragility,
low
stability.
This
work
presents
a
method
preparing
hydrophobic
solid
photothermal
slippery
surfaces
(SPSS)
that
exhibit
rapid
self-repairing,
dual
properties,
remarkable
A
layer
copper
oxide
(CuO)
was
prepared
by
using
chemical
deposition
etching
techniques.
The
then
impregnated
with
stearic
acid
paraffin
wax
create
surface.
solves
issue
stability
on
superhydrophobic
caused
fragile
irretrievable
micro/nanostructures.
In
addition,
underlying
surface
provides
good
properties
even
if
evaporates
or
is
lost
during
operation.
findings
indicate
when
subjected
simulated
light
irradiation,
coating's
temperature
increases
80
°C
within
12
min.
self-repair
process
completed
rapidly
in
170
s,
at
−15
°C,
it
takes
only
201
s
ice
melt
completely.
underneath
exhibited
contact
angle
(CA)
154.1°
sliding
(SA)
6.8°
after
loss
paraffin.
Simultaneously,
surface's
mechanical
durability,
along
its
self-cleaning
antifouling
enhance
service
life.
These
characteristics
provide
promising
opportunities
practical
applications
require
long-term
surfaces.
This
study
investigates
the
effects
of
bamboo
fibers
carbonized
at
different
temperatures
on
mechanical
properties,
thermal
conductivity,
electrical
and
thermoelectric
performance
concrete.
Through
experiments
finite
element
simulations,
relationship
between
temperature
difference-based
power
generation
was
established.
The
results
show
that
300
°C
had
minimal
impact
compressive
strength
but
increased
flexural
by
17.8%.
In
contrast,
800
significantly
reduced
while
enhancing
conductivity
conductivity.
fiber-reinforced
concrete
three
orders
magnitude,
indicating
formation
a
continuous
conductive
network
within
terms
performance,
achieved
maximum
output
voltage
8.6
mV
after
1.5
hours
solar
radiation,
higher
than
6.4
generated
its
counterpart.
is
first
to
systematically
reveal
profound
fiber
carbonization
electrical,
thermal,
properties
field
generation,
high-temperature
demonstrate
superior
conversion
efficiency
significant
application
potential.
