Superhydrophobic
surface
is
an
ideal
choice
to
enhance
the
corrosion
resistance
of
aluminum
(Al)
and
Al-based
alloys
which
are
widely
used
in
various
industrial
fields.
However,
there
limitations
complex
fabrication
process,
high
cost,
easy
damage
micro-nano
structures
for
processing
superhydrophobic
Al
surface.
To
address
aforementioned
limitations,
we
presented
efficient
facile
method
via
acid
wet
blasting
fabricate
composite
on
substrate
subsequently
low
energy
modification
obtain
(SHP-AWBM-Al),
had
water
contact
angle
162°
rolling
3°.
The
fabricated
SHP-AWBM-Al
excellent
self-cleaning
performance,
anti-fouling
ability,
good
fog
collection
ability.
Tape
peeling
test,
sandpaper
friction
acidic
solution
alkaline
natural
environment
test
showed
that
mechanical
stability
chemical
compared
with
(SHP-H-Al)
obtained
by
etching.
In
addition,
electrochemical
was
more
resistant
than
SHP-H-Al.
This
finding
could
technology
fabricating
Applied Physics Letters,
Journal Year:
2024,
Volume and Issue:
125(7)
Published: Aug. 12, 2024
Spontaneous
and
directional
water
droplet
transportation
based
on
patterned
surface
with
super-wettability
is
crucial
for
the
development
of
frontier
science
technology.
However,
cannot
meet
both
long
distance
fast
simultaneously.
Here,
we
overcame
this
limitation
by
proposing
an
asymmetric
serial
brachistochrone-shaped
pattern
(ASBP).
Water
could
be
transported
ASBP
a
72.52
mm
velocity
158
mm/s
after
series
single-factor
experiments,
orthogonal
design
optimization,
junction
transition
optimization.
In
addition,
curved
ASBP,
super-long
multi-droplet
scenarios,
at
inclination
angle.
Moreover,
acidic
alkaline
aqueous
solution
showed
similar
ASBP.
Based
aforementioned
superb
capacity,
can
applied
in
fields
fog
collection,
mixing
reaction,
reagent
detection.
This
work
has
strong
implications
promoting
application
field
high-performance
fluid
systems.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Feb. 9, 2025
Abstract
Utilizing
ubiquitous
fog
to
engineer
a
dual‐function
device
that
integrates
harvesting
and
hydro‐to‐electricity
conversion,
thereby
overcoming
geographical
hydrological
constraints,
provides
an
opportunity
promote
sustainable
freshwater
electricity
supply.
However,
inefficiency
remains
the
key
challenge
advancement
of
energy
development
practical
applications.
Herein,
bio‐inspired
(BDFD)
integrating
efficient
solid‐liquid
triboelectricity
nanogenerator
is
developed.
Specifically,
biomimetic
fog‐water
collector
(BFWC)
designed
inspired
by
excellent
fog‐catching
capability
Cactus
ultra‐fast
water
transport
Sarracenia.
BFWC
then
combined
with
triboelectric
develop
BDFD.
Additionally,
mechanism
which
structural
parameters
influence
mist
condensation
revealed.
The
effects
height,
angle,
frequency
condensate
droplets
on
power
generation
performance
are
also
systematically
investigated.
Remarkably,
achieved
collection
efficiency
48940
mg
cm
−2
h
−1
,
305%
improvement
over
non‐bionic
samples.
Meanwhile,
transfer
charge
quantified
at
28.9
nC,
demonstrating
BDFD
can
efficiently
convert
mechanical
condensed
droplet
into
electrical
energy.
Therefore,
this
bionic
strategy
enhances
atmospheric
utilization
apparatus
offers
prospects
for
mitigating
deficiencies
in
resources.
Surface Innovations,
Journal Year:
2023,
Volume and Issue:
unknown, P. 1 - 11
Published: Sept. 28, 2023
A
slippery
surface
has
the
capability
to
protect
substrate
surface,
which
can
prevent
corrosion
in
a
harsh
environment.
However,
existing
surfaces
have
limitation
of
insufficient
oil-locking
for
rough
structures,
limits
their
practical
application.
To
solve
aforementioned
limitation,
authors
developed
with
good
capability.
First,
wire-cutting
machine
tool
was
used
fabricate
ternary
coupled
grooved
structures
on
an
aluminum
(Al)
substrate,
could
increase
lubricant-storage
capacity
microstructures,
and
named
porous
groove-textured
(Slips-G-Al).
Then,
durability
test
performed
involving
lubricant
shear,
sandpaper
wear
water
impact.
The
chemical
stability
involved
acid,
alkali,
salt
weather
resistance
tests,
showed
that
Slips-G-Al
had
compared
traditional
Slips
surface.
In
addition,
self-cleaning
performance
fog
collection
were
also
studied.
Finally,
electrochemical
carried
out.
findings
remarkable
application
prospects
aerospace
shipbuilding
fields.
