A
hierarchical
structure
consisting
of
Co-Ni
layered
double
hydroxide
nanosheets
(LDH-NSs)
enwrapped
copper
oxide
nanorods
(CuO-NRs)
was
synthesized
in
situ
on
the
surface
foam
(CF)
through
direct
oxidation
and
electrodeposition
methods.
The
CF
skeleton
provided
desired
electrical
conductivity,
while
in-situ
CuO-NRs
eliminated
need
for
binders.
Moreover,
uniform
growth
LDH-NSs
via
facilitated
formation
a
stratified
structure,
effectively
inhibiting
aggregation
providing
ample
active
sites
adsorption/desorption
transportation
electrolyte
ions.
Adjusting
molar
ratio
Co2+
to
Ni2+
influenced
electrochemical
properties,
resulting
efficient
growth,
porous
morphological
control.
CF@CuO@Co-Ni
LDH-2
(Co:
Ni=1:2)
sample
demonstrated
most
favorable
performance,
primarily
attributed
its
superior
Ni:
Co
synergistic
effect.
As
wonderful
electrode
material,
it
exhibited
high
specific
capacitance
2628.4
F
g−1
at
current
density
2
g−1.
Even
after
5,000
cycles
20
g−1,
maintained
an
outstanding
retention
rate
95.00
%.
expected,
assembled
asymmetric
supercapacitor
displayed
remarkable
energy
101.54
Wh
kg-1.
impressive
87.57
%
10,000
This
study
highlighted
potential
materials
prepared
applications.
method
preserved
all
components
carrier
improved
utilization
sites,
avoiding
use
adhesives,
templates,
or
surfactants,
simplifying
procedure.
To
overcome
the
disadvantage
of
difficult
recovery
powder
catalysts
and
improve
catalyst
utilization,
selection
foam
metal
substrates
as
supports
can
reduce
difficulty
material
effectively
inhibit
leaching
ions.
Herein,
CoMnNi-layered
double
hydroxide
(LDH)
derived
from
Co-Mn
ZIF
was
immobilized
onto
nickel
(NF)
through
in
situ
synthesis.
The
results
XRD
SEM
analyses
samples
indicated
that
LDH
successfully
grown
on
matrix,
could
maintain
its
original
morphology
to
maximum
extent
after
loading.
By
comparing
XPS
before
reaction,
it
confirmed
surface
hydroxyl
group
C=O
were
involved
activation
peroxymonosulfate
(PMS).
quenching
reaction
showed
SO4•−
1O2
are
main
active
substances
oxidation
enrofloxacin
(ENR).
When
dosage
NF@CoMnNi-LDH
0.4
g/L,
pH
solution
6.82,
when
PMS
2.0
mM,
degradation
rate
ENR
reached
82.6%
within
30
min.
This
research
offers
novel
insights
into
antibiotics
water
using
a
monolithic
supported
by
foam.
Journal of Materials Chemistry A,
Год журнала:
2024,
Номер
12(30), С. 18958 - 18967
Опубликована: Янв. 1, 2024
PANI-TPU
films
were
prepared
by
electrostatic
spinning
and
in
situ
polymerization,
a
fiber
supercapacitor
that
maintains
stable
performance
under
large
tensile
deformation
conditions
can
be
realized
twisting.
