Macromolecular Rapid Communications,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Dec. 13, 2024
Hygroscopic
materials
based
on
highly
hygroscopic
salts
are
promising
for
atmospheric
water
harvesting
(AWH),
but
the
metal-
or
halide-containing
often
have
leakage
and
corrosion
issues.
Here,
design
synthesis
of
halide-free,
hygroscopic,
macroporous
polymers
from
[2-(acryloyloxy)ethyl]trimethylammonium
chloride
simply
via
in
situ
foaming,
solidification,
ion
exchange
reported.
The
resulting
exhibit
interconnected
structure,
robust
compression,
leakage-free
performance,
they
also
demonstrate
relatively
high
moisture
adsorption
capacities
(up
to
1.24
g
ACS Nano,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 8, 2025
Solar-driven
interfacial
evaporation
(SDIE)
has
emerged
as
a
promising
technology
for
addressing
global
water
scarcity
by
utilizing
solar-thermal
conversion
and
at
the
air/material/water
interface.
The
exceptional
performance
of
these
systems
attracted
significant
interest;
it
is
imperative
to
establish
rigorous
scientific
standards
evaluating
effectiveness,
optimizing
system
design,
ensuring
efficient
practical
applications.
In
this
Review,
we
propose
consensus
criteria
accurately
assessing
guiding
future
advancements.
We
then
explore
fundamental
mechanisms
driving
synergy,
emphasizing
how
material
compositions,
microscopic
hierarchical
structures,
macroscopic
three-dimensional
spatial
architecture
designs
enhance
solar
absorption
photothermal
conversion;
balance
heat
confinement
with
pathway
optimization;
manage
salt
resistance;
regulate
enthalpy
during
vaporization.
These
matched
coordination
strategies
are
crucial
maximizing
target
SDIE
efficiency.
Additionally,
investigate
applications
technologies,
focusing
on
cutting-edge
progress
versatile
purification,
combined
atmospheric
harvesting,
collection,
electric
generation,
deicing.
Finally,
highlight
challenges
exciting
opportunities
advancing
research,
efforts
integrate
principles,
system-level
collaboration,
application-driven
approaches
boost
sustainable
highly
energy
technologies.
By
linking
evaluation
optimization
influencing
factors,
offer
comprehensive
overview
field
outlook
that
promotes
clean
production
synergistic
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 13, 2025
Abstract
Atmospheric
water
harvesting
(AWH)
offers
a
promising
pathway
to
alleviate
global
scarcity,
highlighting
the
need
for
environmentally
responsible
sorbent
materials.
In
this
context,
research
introduces
universal
strategy
transforming
natural
polysaccharides
into
effective
hydrogel
sorbents,
demonstrated
with
cellulose,
starch,
and
chitosan.
The
methodology
unites
alkylation
graft
thermoresponsive
groups,
thereby
enhancing
processability
enabling
energy‐efficient
release
at
lower
temperatures,
integration
of
zwitterionic
groups
ensure
stable
sorption.
molecularly
functionalized
cellulose
hydrogel,
exemplifying
our
approach,
shows
favorable
uptake
0.86–1.32
g
−1
15–30%
relative
humidity
(RH),
along
efficient
desorption,
releasing
95%
captured
60
°C.
Outdoor
tests
highlight
production
rate
up
14.19
kg
day
by
electrical
heating.
proposed
molecular
engineering
methodology,
which
expands
range
raw
materials
leveraging
abundant
biomass
feedstock,
has
potential
advance
scalable
AWH
technologies,
contributing
sustainable
solutions.
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 9, 2025
With
the
growing
emphasis
on
building
a
global
sustainable
community,
biopolymeric
gels
have
emerged
as
promising
platform
for
environmentally
friendly
and
applications,
garnering
significant
research
attention.
Compared
to
conventional
synthetic
gels,
offer
numerous
advantages,
including
abundant
renewable
raw
materials,
energy-efficient
eco-friendly
fabrication
processes,
tunable
physicochemical
properties,
superior
biocompatibility
biodegradability.
This
review
provides
comprehensive
overview
of
recent
advancements
in
multifunctional
gels.
It
begins
by
introducing
various
blocks
their
intrinsic
properties
across
multiple
scales.
Subsequently,
strategies
are
thoroughly
discussed,
emphasizing
versatile
gelation
strategies,
approaches
fabricating
diverse
processing
achieve
tailorable
with
desired
functionalities.
The
applications
systematically
explored,
focusing
roles
energy
storage,
environmental
remediation
water
management,
thermal
bioelectronics.
Finally,
concludes
an
outlook
challenges
opportunities
advancing
key
materials
pursuit
sustainability.
Advanced Electronic Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 9, 2025
Abstract
Water
and
energy
are
the
cornerstones
of
human
development,
with
more
than
half
world's
population
facing
water
scarcity
issues.
Atmospheric
moisture
is
widely
distributed
around
globe,
rational
utilization
can
create
tremendous
value.
Here,
sources
hygroscopic
materials,
methods
manufacturing
hydrogels,
properties
these
potential
applications
concluded.
To
make
hydrogels
high
hydrophilicity,
ultrasonic
oscillation,
freeze
drying,
spin
coating
be
used
as
synthesis
strategies.
The
main
focus
on
characteristic
parameters
uptake,
dehydration
temperature,
conductivity,
mechanical
stability,
swelling
behaviors,
heat
transfer
coefficient.
These
unique
features
will
affect
performances
assembles,
devices,
instruments.
Subsequently,
summarized,
such
harvesting
splitting
fuel
production,
dehumidification,
thermal
management
in
electronic
solar
evaporation,
electricity
production.
Finally,
future
directions
issues
interest
proposed
to
promote
diverse
development
relational
systems.
ACS Nano,
Journal Year:
2024,
Volume and Issue:
18(46), P. 31597 - 31631
Published: Nov. 5, 2024
To
address
the
increasingly
serious
water
scarcity
across
world,
sorption-based
atmospheric
harvesting
(SAWH)
continues
to
attract
attention
among
various
production
methods,
due
it
being
less
dependent
on
climatic
and
geographical
conditions.
Water
productivity
energy
efficiency
are
two
most
important
evaluation
indicators.
Therefore,
this
review
aims
comprehensively
systematically
summarize
discuss
enhancement
methods
for
SAWH
systems
based
three
levels,
from
material
component
system.
First,
level
covers
characteristics,
categories,
mechanisms
of
different
sorbents.
Second,
focuses
sorbent
bed,
regeneration
energy,
condenser.
Third,
system
encompasses
design,
operation,
synergetic
effect
generation
with
other
mechanisms.
Specifically,
key
promising
improvement
are:
synthesizing
composite
sorbents
high
uptake,
fast
sorption
kinetics,
low
(material
level);
improving
thermal
insulation
between
bed
condenser,
utilizing
renewable
or
electrical
heating
desorption
multistage
design
(component
achieving
continuous
operation
a
desired
number
beds
rotational
structure,
integrating
Peltier
cooling
passive
radiative
technologies
(system
level).
In
addition,
applications
challenges
explored,
followed
by
potential
outlooks
future
perspectives.
Overall,
is
expected
that
article
can
provide
directions
guidelines
aim
efficiency.
