Synergetic FeMoSe@NiCo-LDH hybrid heterostructures as a stable and effective bifunctional catalyst for sustained overall water splitting and seawater splitting
Journal of Alloys and Compounds,
Год журнала:
2024,
Номер
1002, С. 175389 - 175389
Опубликована: Июнь 28, 2024
Язык: Английский
Financial multidimensional assessment of a green hydrogen generation process via an integrated artificial intelligence-based four-stage fuzzy decision-making model
International Journal of Hydrogen Energy,
Год журнала:
2024,
Номер
83, С. 577 - 588
Опубликована: Авг. 13, 2024
Язык: Английский
Coherent Design of CoAl Layered Double Hydroxide-Derived Co3O4 Cubes as a Competent Electrocatalyst for Water Splitting and Urea Electrolysis
Energy & Fuels,
Год журнала:
2024,
Номер
38(12), С. 10789 - 10800
Опубликована: Июнь 10, 2024
Here,
we
studied
the
electrocatalytic
activity
of
a
CoAl-LDH-derived
Co3O4
cube,
which
has
an
amplified
electrochemical
surface
area
and
conductivity,
in
turn
escalates
performance.
The
cubic
promotes
OER,
HER,
UOR
with
significantly
lower
potentials
1.51,
0.192,
1.36
V
at
10
mA
cm–2
current
density;
this
performance
addresses
kinetic
challenges
associated
electrolytic
reactions
effective
manner.
Moreover,
assembled
full-cell
water
electrolyzer
employing
cube//Co3O4
cube
as
both
cathode
anode,
achieving
various
densities
10,
20,
50,
100
corresponding
cell
voltages
1.49,
1.72,
1.83,
1.95
V.
In
addition,
synthesized
cubes
demonstrate
excellent
urea
performance,
maintaining
stable
1.40,
1.47,
1.57,
1.70
under
similar
densities.
Notably,
electrocatalyst
exhibited
sustained
stability
over
24
h,
voltage
1.72
alkaline
1.0
M
KOH
solution
1.47
+
0.5
solution,
showing
reduction
275
mV
compared
to
overall
density
20
cm–2.
Язык: Английский
Eco-Friendly Synthesis and Multifaceted Environmental Applications of AgCu Bimetallic Nanoparticles
T. K. Nanditha,
P S Vishwashreelakshmi,
Shreepooja Bhat
и другие.
Materials Research Bulletin,
Год журнала:
2024,
Номер
unknown, С. 113233 - 113233
Опубликована: Ноя. 1, 2024
Язык: Английский
Efficient hydrogen evolution of a low-cost novel green chickpea shell-derived carbon-metal composite in alkaline electrolytes
Journal of Porous Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 25, 2025
Язык: Английский
Development of hazelnut shell-derived biochar to support a bifunctional MoCo electrocatalyst for HER/OER in alkaline medium
Biochar,
Год журнала:
2025,
Номер
7(1)
Опубликована: Май 12, 2025
Язык: Английский
Hydrogen and Oxygen Evolution on Flexible Catalysts Based on Nickel–Iron Coatings
Catalysts,
Год журнала:
2024,
Номер
14(12), С. 843 - 843
Опубликована: Ноя. 22, 2024
The
electrolysis
of
water
is
one
low-cost
green
hydrogen
production
technologies.
main
challenge
regarding
this
technology
designing
and
developing
high-activity
catalysts.
Herein,
we
present
a
strategy
to
fabricate
flexible
electrocatalysts
based
on
nickel–iron
(NiFe)
alloy
coatings.
NiFe
coatings
were
plated
the
copper-coated
polyimide
surface
(Cu/PI)
using
straightforward
electroless
metal-plating
method,
with
morpholine
borane
as
reducing
agent.
It
was
found
that
Ni90Fe10,
Ni80Fe20,
Ni60Fe40,
Ni30Fe70
deposited
Cu/PI
surface;
then,
concentration
Fe2+
in
plating
solution
0.5,
1,
5,
10
mM,
respectively.
morphology,
structure,
composition
NixFey/Cu/PI
catalysts
have
been
examined
scanning
electron
microscopy
(SEM),
energy-dispersive
X-ray
spectroscopy
(EDX),
diffraction
(XRD),
inductively
coupled
plasma–optical
emission
(ICP-OES),
whereas
their
activity
has
investigated
for
evolution
(HER)
oxygen
(OER)
reactions
1
M
KOH
linear
sweep
voltammetry
(LSVs).
Ni80Fe20/Cu/PI
catalyst
exhibited
lowest
overpotential
value
−202.7
mV
HER,
obtaining
current
density
mA
cm−2
compared
Ni90Fe10/Cu/PI
(−211.9
mV),
Ni60Fe40/Cu/PI
(−276.3
Ni30Fe70/Cu/PI
(−278.4
Ni
(−303.4
mV).
On
other
hand,
OER
(344.7
mV)
observed
catalyst,
Ni35Fe65
(369.9
Ni80Fe20
(450.2
Ni90Fe10
(454.2
coatings,
(532.1
developed
exhibit
cell
potential
1.85
V
at
cm−2.
obtained
seem
be
suitable
HER
alkaline
media.
Язык: Английский