Nature Communications,
Год журнала:
2022,
Номер
13(1)
Опубликована: Ноя. 4, 2022
Abstract
Direct
solar
desalination
exhibits
considerable
potential
for
alleviating
the
global
freshwater
crisis.
However,
prevention
of
salt
accumulation
while
maintaining
high
water
production
remains
an
important
challenge
that
limits
its
practical
applications
because
methods
currently
employed
achieving
rapid
backflow
usually
result
in
heat
loss.
Herein,
we
fabricate
a
evaporator
featuring
vertically
aligned
mass
transfer
bridges
transport
and
backflow.
The
3D
open
architecture
constructed
using
enables
to
efficiently
utilize
conductive
would
otherwise
be
lost,
significantly
improving
evaporation
efficiency
without
compromising
on
rejection.
fabricated
can
treat
with
more
than
10%
salinity.
Moreover,
it
continuously
steadily
work
real
environment
under
natural
sunlight
solar-to-water
collection
>40%.
Using
discharged
from
reverse
osmosis
plants
sea
Red
Sea,
demonstrates
daily
generation
rate
~5
L/m
2
,
which
is
sufficient
satisfy
individual
drinking
requirements.
With
strong
rejection,
energy
efficiency,
simple
scalability,
has
promise
supply
water-stressed
off-grid
communities.
Energy & environment materials,
Год журнала:
2021,
Номер
5(2), С. 617 - 626
Опубликована: Апрель 17, 2021
Wood‐based
bilayer
solar
evaporators,
which
possess
cooperative
advantages
of
natural
wood
and
photothermal
conversion
coating
including
fast
water
transportation,
low
heat
conduction,
renewability,
high
light
absorbability,
hold
great
promise
for
purification.
However,
previous
studies
suffer
from
evaporation
rates
cost
coatings,
lack
a
deep
understanding
how
the
porous
structures
layer
function.
Herein,
novel
evaporator
is
designed
through
facile
surface
by
low‐cost
carbon
controlled
carbonization
polyester
waste.
The
bears
rich
oxygen‐containing
groups,
well‐controlled
micro‐/meso‐/macropores,
areas
(1164
m
2
g
−1
).
It
proved
that
improves
sunlight
absorption
promotes
formation
numerous
clusters
to
reduce
enthalpy.
Owing
these
combined
features,
exhibits
rate
(2.38
kg
−2
h
),
excellent
long‐term
stability,
good
salt
resistance.
More
importantly,
large‐scale
desalination
device
outdoor
experiments
developed
produce
freshwater
seawater.
daily
production
amount
(3.65
)
per
unit
area
meets
consumption
requirement
one
adult.
These
findings
will
inspire
new
paradigms
toward
developing
efficient
steaming
technologies
address
global
shortage.
Advanced Functional Materials,
Год журнала:
2021,
Номер
31(40)
Опубликована: Июль 10, 2021
Abstract
Solar‐driven
interfacial
evaporation
has
emerged
as
an
innovative
and
sustainable
technology
for
efficient,
clean
water
production.
Real‐world
applications
depend
on
new
classes
of
low‐cost,
lightweight,
robust
materials
that
can
be
integrated
into
one
monolithic
device,
which
withstands
a
variety
realistic
conditions
open
water.
Self‐repairing
building
blocks
are
highly
desired
to
prevent
permanent
failures,
recover
original
functions
maintain
the
lifetime
steam
generators,
although
related
studies
scarce
date.
For
first
time,
monolithic,
durable,
self‐floating
generator
with
well‐defined
structures
is
demonstrated
by
integrating
self‐healing
hydrogels
through
facile
processes
in
surface
modulation
device
fabrication.
High
stable
rates
over
2.0
kg
m
−2
h
−1
attained
under
1
sun
both
fresh
brine
broad
range
salinity
(36–210
g
).
The
solar
desalination
performance
among
best‐performing
generators
surpass
majority
devices
constructed
composite
polymers
structural
components.
This
study
provides
perspective
highlights
future
opportunities
damage‐tolerant
simultaneously
improve
performance,
durability,
real‐world
applications.
Advanced Functional Materials,
Год журнала:
2023,
Номер
33(23)
Опубликована: Март 8, 2023
Abstract
Solar
steam
generation
has
become
one
of
the
most
promising
strategies
to
relieve
freshwater
crisis.
Whereas,
construction
a
solar‐thermal
water
evaporation
structure
that
can
operate
continuously
under
sunlight
generate
clean
with
high
efficiency,
good
stability,
and
salt‐rejecting
capability
is
quite
crucial
but
challengeable.
Enlightened
by
transport
transpiration
process
in
trees,
an
advanced
nanofibrous
aerogel
evaporator
fabricated
multifunctional
capabilities
through
decoration
functional
component
onto
skeleton.
The
rational
integration
hierarchical
constituents,
results
outstanding
solar‐vapor
conversion
efficiency
96.1%
fast
rate
about
2.33
kg
m
−2
h
−1
1
sun.
Additionally,
exhibits
remarkably
outdoor
highly
effective
salt‐resistant
performances.
Significantly,
monitor
salt
precipitation
its
inner
pores
real
time.
This
study
demonstrates
eco‐friendly
economic
solution
for
sustainable
production
using
nanofiber
aerogel‐based
evaporators.
