Dalton Transactions,
Год журнала:
2023,
Номер
52(46), С. 17470 - 17476
Опубликована: Янв. 1, 2023
The
electrochemical
nitrate
reduction
reaction
(ENO3RR)
is
a
green
ammonia
synthesis
method
under
ambient
conditions
relative
to
the
traditional
Haber-Bosch
technology,
which
does
not
require
high-temperature
or
high-pressure
and
can
convert
pollutants
in
environment
into
value-added
NH3,
thus
achieving
dual
purpose.
However,
more
electrocatalysts
with
remarkable
performance
towards
high-efficiency
ENO3RR
need
be
developed.
In
this
work,
Cu/NiO-NF
composite
electrocatalyst
nanorod
structure
on
nickel
foam
was
successfully
fabricated,
contains
heterogeneous
interfaces
between
Cu
NiO
toward
selective
electrocatalytic
for
synthesis.
steric
morphology
of
catalyst
significantly
increase
surface
area,
expose
active
sites,
improve
activity.
Moreover,
construction
interface
effectively
boosts
synergistic
effect
species
NiO,
regulate
electronic
catalyst,
enhance
conductivity
material,
accelerate
interfacial
electron
transfer,
thereby
further
promoting
performance.
This
exhibits
high
NH3
yield
0.6
mmol
h-1
cm-2
up
97.81%
faradaic
efficiency
at
optimal
applied
potential
-1.0
V
(vs.
RHE)
concentration
0.1
M
NO3--containing
PBS.
Furthermore,
it
demonstrates
excellent
cycle
stability.
work
provides
insights
rational
design
fabrication
applications.
Chemical Society Reviews,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 1, 2025
Low-dimensional
materials
(LDMs),
including
0D,
1D,
and
2D
nanostructures
their
heterostructures,
are
reviewed
for
applications
in
photocatalytic,
electrocatalytic,
photoelectrocatalytic
synthesis
of
value-added
ammonia.
International Journal of Energy Research,
Год журнала:
2024,
Номер
2024(1)
Опубликована: Янв. 1, 2024
Ammonia
(NH
3
)
stands
out
as
a
promising
green
energy
carrier
in
the
context
of
world’s
future
demands.
The
current
ammonia
production
heavily
relies
on
energy‐intensive
Haber–Bosch
(H–B)
process,
contributing
significantly
to
worldwide
consumption
(1–2%)
and
escalating
carbon
dioxide
emissions
by
1.5%.
In
light
environmental
economic
concerns
associated
with
H–B
alternative
electrochemical
reduction
methods
for
nitrogen
its
derivatives
have
emerged
viable
paths
toward
production.
While
substantial
research
progress
has
been
made
recent
years,
transition
from
laboratory‐scale
investigations
industrial
or
commercial
applications
hindered
low
efficiency
selectivity
electrocatalytic
systems.
Establishing
cohesive
strategy
advance
electrocatalysts
electroreduction
is
crucial.
This
study
delves
into
fundamental
understanding
materials
engineering
modulation
Drawing
insights
various
foundational
efforts,
aim
provide
guidance
directions
based
principles.
exploration
seeks
propel
development
electrocatalysts,
addressing
challenges
steering
efficient
selective
processes
sustainable
Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Авг. 2, 2024
Abstract
Electrocatalytic
N
2
reduction
reaction
(eNRR)
has
been
deemed
as
an
alternative
approach
to
the
Haber‐Bosch
(H‐B)
process
for
ammonia
(NH
3
)
production,
but
it
remains
a
huge
challenge.
Here
jet
plasma
oxidation
of
is
reported
in
air
into
NO
x
and
subsequently
−
coupling
with
electrochemical
(pN
─eNO
RR)
over
PdNi
alloying
nanoparticles
on
N‐doped
carbon
nanotubes
(PdNi/N‐CNTs)
NH
synthesis.
The
results
demonstrate
that
reactor
possesses
excellent
gas
reforming
capacity
achieve
largest
yield
rate
30.46
mmol
h
−1
low
energy
consumption
2.66
kWh
mol
.
For
subsequent
eNO
RR,
PdNi/N‐CNTs
can
afford
34.96
mg
cat.
faradaic
efficiency
(FE)
98.21%
at
−0.38
0.02
V
(vs
RHE),
respectively.
In
situ
spectroscopic
characterizations
combined
theoretical
calculations
unveil
provide
Pd
Ni
dual
active
sites,
enabling
activation
site
H
*
provision
facilitate
RR.
A
cascade
pN
‐eNO
RR
system
constructed
sustainable
achieving
stable
25.56
,
average
FE
>85%,
well
conversion
44.62%
constant
ampere‐level
current
finally
collection
gram‐level
4
SO
product.
Abstract
Electrochemical
upcycling
of
nitrate
and
polyester
plastic
into
valuable
products
is
an
ideal
solution
to
realize
the
resource
utilization.
Here,
co‐production
ammonia
(NH
3
)
glycolic
acid
(GA)
via
electrochemical
polyethylene
terephthalate
(PET)
plastics
over
mesoporous
Pd
Au
film
on
Ni
foam
(mPd
Au/NF),
which
synthesized
by
micelle‐assisted
replacement
method,
proposed.
The
mPd
Au/NF
with
well‐developed
structure
provides
abundant
active
sites
facilitated
transfer
channels
strong
electronic
effect.
As
such,
exhibits
high
Faraday
efficiencies
97.28%
95.32%
at
0.9
V
for
formation
NH
GA,
respectively.
Theoretical
results
indicate
that
synergistic
effect
can
optimize
adsorption
energy
key
intermediates
*NOH
*OCH
2
‐CH
OH
increase
bond
C─C
band,
thereby
improving
activity
selectivity
GA.
This
work
proposes
a
promising
strategy
simultaneous
conversation
PET
high‐value