Catalysts,
Год журнала:
2024,
Номер
15(1), С. 2 - 2
Опубликована: Дек. 24, 2024
A
magnetically
assembled
electrode
(MAE)
is
a
modular
format
in
electrochemical
oxidation
wastewater
treatment.
MAE
utilizes
magnetic
forces
to
attract
the
catalytic
auxiliary
electrodes
(AEs)
on
main
(ME),
which
has
advantages
of
high
efficiency
and
flexible
adjustability.
However,
issue
insufficient
polarization
AEs
leaves
potential
this
underutilized.
In
study,
natural
tourmaline
(Tml)
particles
with
pyroelectric
piezoelectric
properties
were
utilized
solve
above
by
harvesting
converting
waste
energy
(i.e.,
joule
heating
bubble
striking
mechanical
energy)
from
electrolysis
environment
into
additional
electrical
applied
AEs.
Different
contents
Tml
composited
Fe3O4/Sb-SnO2
as
novel
AEs,
structure–activity
relationship
was
investigated
various
measurements
orthogonal
tests
dye
The
results
showed
that
could
effectively
enhance
all
electrode.
optimal
removal
rate
obtained
loading
0.2
g·cm−2
when
content
4.5
wt%.
interaction
current
density
had
significant
effect
COD
rate,
mineralization
capacity
significantly
enhanced.
findings
study
have
unveiled
application
minerals
conversion
materials
realm
ACS Sensors,
Год журнала:
2024,
Номер
9(6), С. 3137 - 3149
Опубликована: Май 29, 2024
Tourmaline
is
known
for
its
natural
negative
ion
effect
and
far-infrared
radiation
function,
which
promote
human
blood
circulation,
relieve
pain,
regulate
the
endocrine
system,
enhance
immunity
other
functions.
These
functions
motivate
use
of
this
material
enhanced
sensitivity
wearable
sensors.
In
work,
taking
advantage
unique
multifunctions
tourmaline
nanoparticles
(Tur),
highly
boosted
piezoelectricity
was
achieved
by
incorporating
polydopamine
(PDA)-modified
Tur
in
PVDF.
The
PDA@Tur
nanofillers
not
only
effectively
increased
β-phase
content
PVDF
but
also
played
a
major
role
significantly
enhancing
piezoelectricity,
wettability,
elasticity,
air
permeability,
stability
piezoelectric
Especially,
maximum
output
voltage
fiber
membrane
with
0.5
wt
%
reached
31.0
V,
being
4
times
that
pure
membrane.
Meanwhile,
0.7011
V/kPa
at
1-10
N,
3.6
film
(0.196
V/kPa).
power
intensity
8
μW/cm
ACS Applied Nano Materials,
Год журнала:
2023,
Номер
7(1), С. 1120 - 1129
Опубликована: Дек. 28, 2023
Flexible
hybridized
nanogenerators
(FHNGs)
with
multifunctional
piezocomposites
as
core
can
simultaneously
harvest
waste
mechanical
energy
and
thermal
in
the
environment,
which
are
expected
to
replace
chemical
batteries
realize
a
long-term
self-power
supply
of
wearable
electronic
devices.
However,
most
reported
filled
low-dimensional
ferroelectric
particles
have
low
piezoelectric
charge
coefficients
together
poor
conductivity,
not
conducive
improving
generation
power.
In
this
work,
an
effective
design
strategy
respect
reduced
graphene
oxide
(rGO)
nanosheet-decorated
three-dimensional
(3-D)
samarium-doped
Pb(Mg1/3Nb2/3)O3–PbTiO3
(Sm-PMN-PT)
piezoceramic
skeleton
is
proposed
build
high-performance
polydimethylsiloxane
(PDMS)-based
FHNGs.
On
one
hand,
rGO
nanosheets
high
electrical
conductivity
form
internal
electric
field
network
assist
artificial
polarization
enhance
properties.
other
heat-transfer
increase
rate
temperature
change
over
time
improve
pyroelectric
Thanks
coupling
enhancement
effect
associated
nanosheets,
highly
efficient
concurrent
harvesting
(∼0.53
V),
(∼0.151
V)
were
realized
Sm-PMN-PT/PDMS/rGO
piezocomposite,
total
output
voltage
FHNG
under
hybrid
excitation
was
0.705
V,
providing
promising
paradigm
for
development
materials.
Arabian Journal of Chemistry,
Год журнала:
2024,
Номер
17(8), С. 105851 - 105851
Опубликована: Май 31, 2024
Electrochemical
technology
is
frequently
used
to
treat
industrial
dye
wastewater.
However,
its
degradation
efficiency
restricted
by
pH,
and
the
low
current
high
energy
consumption
limit
broader
application.
Based
on
this,
we
constructed
an
innovative
electro-driven
catalytic
system
integrating
nanotechnology
with
electric
current.
This
operates
without
pH
constraints,
has
consumption,
allows
for
recycle
reuse
of
both
electrodes
catalysts.
Firstly,
synthesized
palladium
(Pd)
cubes
via
a
solvothermal
method,
characterized
their
morphology,
structural
composition,
crystalline
properties
using
transmission
electron
microscopy
(TEM),
dispersive
X-ray
spectroscopy
(EDS),
photoelectron
(XPS),
diffraction
(XRD)
other
methods.
The
prepared
Pd
possessed
dual
catalysis
Fenton
catalysis,
achieving
synergistic
effect
under
field.
Subsequently,
study
explored
how
catalysts
dosage,
H2O2
concentration,
Cl−
concentration
affect
rate.
optimized
was
able
degrade
99.17
%
MB
within
1
h
effective
against
various
organic
pollutants.
After
five
cycles
reuse,
recovered
maintained
over
90
in
decomposing
MB.
process
realizes
efficient
catalysts,
offering
novel
approach
wastewater
treatment
conditions.
Catalysts,
Год журнала:
2024,
Номер
15(1), С. 2 - 2
Опубликована: Дек. 24, 2024
A
magnetically
assembled
electrode
(MAE)
is
a
modular
format
in
electrochemical
oxidation
wastewater
treatment.
MAE
utilizes
magnetic
forces
to
attract
the
catalytic
auxiliary
electrodes
(AEs)
on
main
(ME),
which
has
advantages
of
high
efficiency
and
flexible
adjustability.
However,
issue
insufficient
polarization
AEs
leaves
potential
this
underutilized.
In
study,
natural
tourmaline
(Tml)
particles
with
pyroelectric
piezoelectric
properties
were
utilized
solve
above
by
harvesting
converting
waste
energy
(i.e.,
joule
heating
bubble
striking
mechanical
energy)
from
electrolysis
environment
into
additional
electrical
applied
AEs.
Different
contents
Tml
composited
Fe3O4/Sb-SnO2
as
novel
AEs,
structure–activity
relationship
was
investigated
various
measurements
orthogonal
tests
dye
The
results
showed
that
could
effectively
enhance
all
electrode.
optimal
removal
rate
obtained
loading
0.2
g·cm−2
when
content
4.5
wt%.
interaction
current
density
had
significant
effect
COD
rate,
mineralization
capacity
significantly
enhanced.
findings
study
have
unveiled
application
minerals
conversion
materials
realm
