ACS Nano,
Journal Year:
2024,
Volume and Issue:
18(52), P. 35465 - 35479
Published: Dec. 16, 2024
Polymer
aerogels,
with
their
porous
and
lightweight
features,
excel
in
applications
such
as
energy
storage,
absorption,
thermal
insulation,
making
them
a
sought-after
new
material.
However,
the
covalent
cross-linking
networks
of
current
polymer
aerogels
result
unsustainable
manufacturing
processing
practices,
persistently
depleting
our
finite
natural
resources
causing
significant
global
environmental
impacts.
Herein,
we
have
constructed
high-performance
dynamic
aerogel
network
using
biobased
materials,
its
structure
green
sustainability
akin
to
those
plants
nature.
Abundant
reversible
points
endow
ultrafast
degradation
capabilities,
enabling
allow
for
closed-loop
chemical
monomer
recovery
reprocessing.
Furthermore,
utilizing
highly
active
network,
net-zero
emission
material
reuse
reprocessing
can
be
achieved.
Additionally,
controlled
features
multilevel
roughness
nanostructured
surface
similar
lotus
leaf
biomimetic
pore
structure,
contributing
anisotropy.
The
distinctive
composition
high
compressive
strength
(2.2
MPa)
vertically,
low
conductivity
(0.0257
W/(m·K))
horizontally,
outstanding
fire
resistance
(LOI
is
36%).
Notably,
demonstrates
highest
hydrophobicity
among
polyimine
contact
angle
154°.
excellent
performance
variety
potential
oil–water
separation,
directional
transport,
phase
change
it
anticipated
that
these
will
greatly
benefit
from
systematic
upgrades
recyclability
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 16, 2025
Abstract
Solar
vapor
generation
(SVG)
garners
significant
attention
as
a
technology
for
producing
clean
water
owing
to
its
high
efficiency
and
zero
carbon
emissions.
However,
the
widespread
adoption
of
SVG
is
constrained
by
cost,
low
mechanical
strength,
complex
fabrication
processes
current
photothermal
materials.
Lignin
coal,
abundant
in
aromatic
rings,
C═O
bonds,
quinone
structures,
present
natural
advantages
enhancing
light
absorption
improving
properties
This
review
begins
with
an
overview
fundamentals
strategies
aimed
at
promoting
efficiency.
It
then
delves
into
structural
characteristics
conversion
mechanisms
lignin
highlighting
their
unique
contributions
field.
Further,
latest
advancements
application
lignin/coal‐based
materials
are
comprehensively
summarized.
work
not
only
lays
systematic
scientific
foundation
development
next‐generation
but
also
underscores
potential
value‐added
utilization
thereby
contributing
sustainable
resource
management.
