ACS Applied Materials & Interfaces,
Journal Year:
2024,
Volume and Issue:
16(28), P. 36433 - 36443
Published: July 4, 2024
Electrochemical
reduction
of
nitrate
to
ammonia
(eNO3RR)
is
proposed
as
a
sustainable
solution
for
high-rate
synthesis
under
ambient
conditions.
The
complex,
multistep
eNO3RR
mechanism
necessitates
the
use
catalyst
complete
conversion
ammonia.
Our
research
focuses
on
developing
novel
Pd-PdO
doped
in
reduced
graphene
oxide
(rGO)
composite
synthesized
via
laser-assisted
one-step
technique.
This
demonstrates
dual
functionality:
palladium
(Pd)
boosts
hydrogen
adsorption,
while
its
(PdO)
considerable
nitrogen
adsorption
affinity
and
exhibits
maximum
yield
5456.4
±
453.4
μg/h/cm2
at
−0.6
V
vs
reversible
electrode
(RHE),
with
significant
yields
nitrite
hydroxylamine
conditions
nitrate-containing
alkaline
electrolyte.
At
lower
potential
−0.1
V,
exhibited
minimal
evolution
reaction
3.1
2.2%
achieving
high
selectivity
(74.9
4.4%),
balance
hydroxylamine.
Additionally,
catalyst's
stability
activity
can
be
regenerated
through
electrooxidation
Pd.
Energy & Fuels,
Journal Year:
2024,
Volume and Issue:
38(8), P. 6701 - 6722
Published: April 8, 2024
Electrochemical
nitrate
reduction
is
the
process
of
converting
into
ammonia
or
nitrogen
using
electric
energy.
This
saves
energy,
protects
environment,
and
an
important
technology
for
resource
recovery
water
purification.
paper
examines
recent
advances
in
electrochemical
research
analyzes
reaction
mechanism
path
as
well
influence
various
factors
on
through
thermodynamic
kinetic
principles.
Second,
catalytic
performances
transition
metal
electrocatalysts
form
single
metals,
alloys,
oxides,
composites
are
analyzed
detail,
which
lays
foundation
rational
development
new,
efficient,
stable
electrocatalysts.
Finally,
future
directions
prospects
envisioned.
Inorganic Chemistry,
Journal Year:
2023,
Volume and Issue:
62(40), P. 16641 - 16651
Published: Sept. 22, 2023
The
electrochemical
nitrate
reduction
reaction
(NO3RR)
is
an
attractive
green
alternative
to
the
conventional
Haber-Bosch
method
for
synthesis
of
NH3.
However,
this
a
tandem
process
that
involves
multiple
steps
electrons
and
protons,
posing
significant
challenge
efficient
Herein,
we
report
high-rate
NO3RR
electrocatalyst
Fe
Cu
double-doped
Co3O4
nanorod
(Fe1/Cu2-Co3O4)
with
abundant
oxygen
vacancies,
where
preferentially
catalyzes
rapid
conversion
NO3-
NO2-
vacancy
in
substrate
can
accelerate
In
addition,
introduction
efficiently
capture
atomic
H*
promotes
dynamics
NH3,
improving
Faradaic
efficiency
produced
Controlled
experimental
results
show
optimal
Fe1/Cu2-Co3O4
exhibits
good
performance
high
(93.39%),
(98.15%),
ammonia
selectivity
(98.19%),
which
significantly
better
than
other
Co-based
materials.
This
work
provides
guidance
rational
design
high-performance
catalysts.
Inorganic Chemistry,
Journal Year:
2024,
Volume and Issue:
63(8), P. 3955 - 3961
Published: Feb. 9, 2024
Electrocatalytic
nitrate
reduction
reaction
offers
a
sustainable
approach
to
treating
wastewater
and
synthesizing
high-value
ammonia
under
ambient
conditions.
However,
electrocatalysts
with
low
faradaic
efficiency
selectivity
severely
hinder
the
development
of
nitrate-to-ammonia
conversion.
Herein,
Ru-doped
ultrasmall
copper
nanoparticles
loaded
on
carbon
substrate
(Cu-Ru@C)
were
fabricated
by
pyrolysis
Cu-BTC
metal-organic
frameworks
(MOFs).
The
[email protected]
catalyst
exhibits
high
(FE)
90.4%
at
-0.6
V
(vs
RHE)
an
yield
rate
1700.36
μg
h
Inorganic Chemistry,
Journal Year:
2024,
Volume and Issue:
63(11), P. 5065 - 5075
Published: March 5, 2024
The
construction
of
photocatalysts
with
a
surface
plasmon
resonance
effect
(SPR)
has
been
demonstrated
as
highly
effective
strategy
for
enhancing
photocatalytic
efficiency.
In
this
paper,
we
synthesized
catalyst
bismuth
metal
loaded
on
ZnCdS
nanospheres
an
efficient
nitrogen
reduction
reaction
(PNRR).
SPR
induced
by
Bi
nanoparticles
under
light
excitation
significantly
promoted
the
ammonia
production
efficiency
photocatalyst.
Under
air
ambient
conditions
lactic
acid
sacrificial
agent,
NH4+
yield
3%
Bi@ZnCdS
was
58.93
μmol·g–1·h–1,
which
exhibited
approximately
7.7
times
that
pure
phase
ZnCdS.
experimental
characterization
results
demonstrate
incorporation
metallic
enhances
absorption
capacity
and
improves
separation
photogenerated
carriers.
Theoretical
calculations
proved
NPs
provide
more
electrons
to
convert
N2
NH3
solid-solution
This
work
presents
novel
concept
development
advanced
plasma
nanomaterials
enhance
fixation
reaction.
