ACS Catalysis,
Journal Year:
2024,
Volume and Issue:
15(1), P. 156 - 166
Published: Dec. 16, 2024
Electrocatalytic
nitrate
reduction
for
ammonia
(eNIRR)
is
an
production
process
that
simultaneously
removes
contaminants
from
water.
However,
the
lack
of
activity
cathode
catalysts
used
as
eNIRR
main
limiting
factor
its
development.
Motivated
by
this
fact,
born-doped
copper
(BDCu)
was
obtained
using
ZnO,
which
easily
removed
at
high
temperature,
a
dispersant,
combined
with
weakly
reducing
boron
clusters
(closo-[B12H12]2–)
agent
and
B
source
during
high-temperature
pyrolysis.
Impressively,
BDCu
demonstrated
Faradaic
efficiency
96.58%
yield
rate
25741.51
μg
h–1
mgcat–1
toward
−1.8
V
(vs
saturated
calomel
electrode).
The
twice
in
case
undoped
B.
Evolutionary
behavior
NO3–
to
NH3
conversion
detected
situ
Fourier-transform
infrared
(in
FT-IR)
electrochemical
mass
spectrometry
DEMS).
Experimental
density
functional
theory
(DFT)
calculations
explained
activation
water
enhanced
B-doped
Cu,
adsorption
proton
*H
weakened,
made
it
easy
migrate
away
catalyst
required
reduction.
In
addition,
electron-deficient
provides
conditions
electron
transfer
between
Cu.
Cu
led
decrease
center
d-band
modulated
electronic
properties
altered
transition
on
surface.
Compared
well
unreduced
CuO,
lowered
energy
barrier
rate-determining
step
(*NO
→
*N),
allowing
smoother
NH3.
This
study
strategy
change
structure
metals
B-modification
thus
improve
performance
synthesis.
Electrocatalysts
through
an
interconnected
porous
structure
that
are
highly
durable,
active,
and
affordable
for
industrial
scale
production
necessary
electricity
conversion
storage
devices
with
superior
effectiveness.
In
the
present
study,
we
synthesized
free-standing
tri-metal
oxide
(FeNiCoO4)
on
top
of
incredibly
foam-like
(FNCO)
via
a
simple
method.
The
enhanced
FNCO-600
showed
remarkable
electrocatalytic
activity
outstanding
stability
to
related
half-cell
responses
regard
oxygen
reduction
reaction
(ORR
=
0.757
V),
evolution
(OER
230
mV),
hydrogen
(HER
211
mV).
Additionally,
looked
into
overall
efficiency
water
splitting
using
catalyst,
which
exhibited
exceptional
longevity
(70
h)
impressive
cell
voltage
(1.72
V).
Furthermore,
as
cathode,
created
rechargeable
solid-liquid
electrolyte-based
Zn-air
batteries
demonstrated
power
densities
21.8
mW
cm-2
167.4
noteworthy
durability.
Finally,
how
synthesize
produce
free-standing,
catalysts
provide
excellent
energy
conversion.
Small,
Journal Year:
2024,
Volume and Issue:
unknown
Published: Sept. 30, 2024
Abstract
Various
life
forms
suffer
from
the
negative
effects
of
nitrate
when
it
accumulates
in
water
bodies,
which
is
a
major
concern
present
day.
The
removal
bodies
critical
challenge,
and
most
effective
method
to
achieve
that
change
into
ammonia.
Ammonia
clean
energy
source
vital
input
for
fertilizer
industry.
Haber–Bosch
process,
dominates
industrial
production
ammonia,
requires
lot
energy.
A
more
sustainable
way
produce
ammonia
use
nitrate‐contaminated
reduce
through
electrocatalysis.
This
review
constituted
amalgamated
articles
featuring
unique
conditions
affect
productivity
activity
transition
metal
single
atom
catalyst
(TNMSAC)
electrocatalytic
reduction
(NRA)
reaction.
It
explores
factors
such
as
ion
adsorption,
characteristics
central
electroactive
metal,
type
coordinating
atoms,
impact
potential
on
stability,
interplay
among
atoms
selectivity
yield
gas.
In
addition,
this
also
covers
advanced
concepts
dual‐atom
catalysts,
dual
alloys.
will
provide
valuable
guidance
enhanced
comprehension
strategic
designing
TNMSAC
conversion
NRA,
contribute
achieving
green
economy.
Journal of Materials Chemistry A,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
The
crucial
role
of
heteroatom
doping-induced
coordination
symmetry
breaking
in
SACs
is
reported
and
provides
vital
insights
into
the
impact
microenvironments
on
electrocatalytic
mechanisms
rational
design
NO
3
RR
catalysts.
Materials Horizons,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 1, 2025
A
paired
electrolysis
system
was
constructed
to
synchronously
valorize
nitrate
wastewater
and
upgrade
polyethylene
terephthalate,
utilizing
oxygen-vacancy-rich
Co
3
O
4
as
the
cathode
Cu-doped
Ni(OH)
2
anode,
respectively.
