Journal of The Electrochemical Society,
Год журнала:
2024,
Номер
171(11), С. 117505 - 117505
Опубликована: Окт. 29, 2024
In
order
to
improve
the
sensitivity
and
stability
of
material
for
detection
hydrogen
peroxide,
Ni/N/MPC
nanocomposites
were
synthesized
by
Ni-based
biomass
doped
with
nitrogen.
Nickel
atoms
offer
such
advantages
as
good
catalytic
activity
low
cost,
while
nitrogen
doping
facilitates
formation
stable
hybrid
structures
abundant
functional
groups
on
surface
nanocomposites.
The
linear
equation
characterizing
electrode
response
from
was
derived
relationship
between
current
signal
I
H
2
O
concentration,
demonstrating
a
range
0.05–240.15
mmol
l
−1
,
along
limit
0.84
μmol
(S/N
=
3).
contrast,
electrochemical
signals
Ni/NGCE
Ni/N/GCE
sensors
significantly
lower
than
those
obtained
composite
materials
during
cyclic
voltammetry
testing.
practical
sample
analysis,
recovery
rate
RSD
in
tap
water
samples
97.2%–98.6%
5.5%–6.4%,
respectively.
Ni/N/MPC/GCE
sensing
platform
presents
excellent
enhanced
sensitivity.
Journal of Renewable and Sustainable Energy,
Год журнала:
2025,
Номер
17(2)
Опубликована: Март 1, 2025
Addressing
the
challenges
of
high
tar
content,
which
is
difficult
to
degrade,
and
susceptibility
catalysts
carbon
deactivation
in
traditional
pyrolysis
processes,
this
paper
proposes
a
novel
research
approach:
integrating
microwave
induction
with
catalysis
facilitate
targeted
degradation
liquid-phase
tars
that
are
typically
hard
break
down
during
municipal
solid
waste
(MSW).
Utilizing
NiO/Al2O3
as
catalyst,
study
investigates
behavior
under
induction,
examining
changes
product
distribution
composition.
The
results
indicate
loading
NiO
increases,
removal
rate
correspondingly
rises,
leading
gradual
increase
gas
production.
At
content
15%,
yield
reached
minimum
13%,
while
production
increased
68%,
resulting
0.60
Nm3/kg
conversion
72.9%.
effect
temperature
on
products
was
significant;
from
600
900
°C,
decreased
32%
17%,
rose
38%
63%.
800
increasing
catalyst
dosage
improved
both
efficiency.
However,
when
exceeded
25%
mass
MSW,
catalytic
efficiency
stabilized.
Compared
conventional
pyrolysis,
introduction
action
significantly
enhanced
further
promoting
cracking
consequently
yield.
