The
development
of
polymer
radiative
coolers
with
easy
processing,
low
cost,
and
high
inherent
emissivity
has
significantly
promoted
the
industrialization
process
passive
daytime
cooling.
For
excellent
outdoor
durability,
however,
traditional
strategy
using
UV
absorbers
inevitably
weakens
cooling
performance
polymer-based
coolers.
introduction
a
UV-reflective
layer
been
proven
to
be
most
effective
eliminate
negative
effects
absorption
improve
durability
Here,
multilayer
film
(PMF)
based
on
an
optical
interference
mechanism
is
designed,
which
exhibits
average
reflectance
up
92.3%
in
300-400
nm
wavebands.
Using
TiO
Nanomaterials,
Journal Year:
2024,
Volume and Issue:
14(12), P. 1027 - 1027
Published: June 13, 2024
Electrochromic
smart
windows
can
achieve
controllable
modulation
of
color
and
transmittance
under
an
external
electric
field
with
active
light
thermal
control
capabilities,
which
helps
reduce
energy
consumption
caused
by
building
cooling
heating.
However,
electrochromic
often
rely
on
power
circuits,
greatly
affects
the
independence
portability
windows.
Based
this,
window
driven
temperature-difference
generation
was
designed
implemented.
This
provides
automatic
manual
reversible
cycle
glass
from
blue
to
dark
according
user
requirements
changes
in
surrounding
environment,
achieving
adaptive
adjustment
visual
comfort
reducing
consumption.
The
infrared
radiation
rejection
(from
780
2500
nm)
is
as
high
77.3%,
its
380
fluctuates
between
39.2%
56.4%
working
state.
Furthermore,
temperature
indoor
simulation
device
15
°C
lower
than
that
ordinary
after
heating
a
250
W
Philips
lamp
for
ten
minutes.
After
2000
cycles
testing,
performance
basically
maintained
at
initial
values,
it
has
broad
application
prospects
buildings,
vehicles,
high-speed
rail
systems.
