Energy Technology,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 3, 2024
Biomass‐based
photothermal
materials
have
a
higher
conversion
efficiency
and
contribute
significantly
to
improved
solar
water
evaporation
systems.
This
work
aims
transform
corn
stalk
(CS)
trash
into
efficient
with
centralized
less‐contact
area
supply
systems
achieve
enhanced
interfacial
heat
accumulation.
We
successfully
synthesized
cornstalk
biochar
via
pyrolysis
maintain
the
environmental
concern
is
deposited
onto
scalable,
cost‐effective
(<1$)
polyurethane
foam
(triangle
shape,
where
tip
plays
wick
supply).
The
detailed
characterizations
validate
porous
structure
of
CS
biochar‐coated
PU
(CSB@PU),
enhance
accumulation
up
47.8
°C
under
1
kW
m
−2
irradiation
which
endowed
thermal
management
polystyrene
(PS).
reproducible
sustainable
evaporator
bestow
rate
1.38
kg
h
−1
,
solar‐to‐vapor
(84%)
one
sun
more
than
other
biomass‐derived
evaporators.
Inductively
coupled
plasma‐optical
emission
spectroscopy
analysis
validates
reductions
primary
(Na
+
K
Mg
2+
Ca
)
heavy
metal
ion
(Fe
3+
Hg
Cd
Pb
concentrations
in
condensate,
insights
potential
CSB@PU
advance
treatment
technologies.
Developing
high-performance
photothermal
materials
and
unraveling
the
underlying
mechanism
are
essential
for
applications.
Here,
performance
improved
by
strong
interaction
between
plasmon
topological
surface
state
(TSS)
is
demonstrated
in
Bi
2
Se
3
/Cu
2-
x
S
nanowires.
This
hybrid,
which
Cu
nanosheets
were
grown
on
nanowires,
leverages
resonance
TSS-induced
optical
property,
generating
wide
efficient
light
absorption.
A
series
of
tests
reveals
coupling,
hot
electron
injection,
plasmon-induced
hole
relaxation
within
hybrids,
endowing
with
excellent
performance.
By
integrating
hybrids
into
a
hydrogel
thermoelectric
module,
evaporator
achieves
remarkable
water
evaporation
rate
3.67
kilograms
per
square
meter
hour
solar-to-vapor
efficiency
95.2%,
maximum
output
power
1.078
watts
under
simulated
sunlight
irradiation.
Moreover,
conical
mirror
was
introduced
to
device,
greatly
enhances
without
additional
energy
input.
Advanced Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 26, 2025
Abstract
Solar‐driven
interfacial
water
evaporation
is
a
green
and
energy‐efficient
treatment
technology
with
diverse
applications
in
desalination,
steam
power
generation,
agricultural
irrigation.
Biomass
materials
have
gained
significant
attention
solar
evaporator
engineering
due
to
their
unique
structure,
low
cost,
ease
of
adjustment.
With
enhanced
light
absorption
high
thermal
conductivity,
biomass
can
improve
efficiency
substantially,
thus
providing
opportunities
applications.
Therefore,
this
critical
review,
the
operating
principles
design
concepts
evaporators
are
first
briefly
discussed
terms
photothermal
conversion
mechanism.
Subsequently,
superiority
described
detail
from
types
structural
properties
at
micro/macro
scales.
The
corresponding
performance
enhancement
strategies
for
biomass‐based
also
highlighted,
including
material
selection,
design,
management
techniques.
Meanwhile,
recent
advances
several
cutting‐edge
comprehensively
discussed.
This
review
provide
comprehensive
reference
relevant
researchers
advance
research
application
promote
wide
field
technology.
