Green Energy and Environmental Technology,
Journal Year:
2024,
Volume and Issue:
3
Published: Aug. 12, 2024
Nitrate
widely
exists
in
industrial
wastewater
and
polluted
groundwater
as
an
environmental
pollutant,
resulting
severe
risks.
The
nitrate-to-ammonia
electrochemical
reduction
reaction
(NO3RR)
is
recognized
the
most
compelling
solution
for
reducing
pollutants
(NO)
into
value-added
product
ammonia
(NH3)
due
to
compatibility
with
renewable
energy.
In
recent
years,
copper-based
electrocatalysts
have
emerged
one
of
promising
methods
NO3RR
owing
their
relatively
high
catalytic
activity
cost-effectiveness,
also
minimizing
impact.
From
this
perspective,
we
summarize
function
catalysts
NO3RR.
We
provide
overview
current
achievements
different
Furthermore,
perspective
raises
future
challenges
designing
highly
effective
long-term
stable
industrial-scale
applications
well
clarifying
pathways
by
theoretical
experimental
characterization
tools.
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
35(48)
Published: Sept. 22, 2023
Improving
the
selective
ammonia
production
capacity
of
electrocatalytic
nitrate
reduction
reaction
(NO3
RR)
at
ambient
conditions
is
critical
to
future
development
and
industrial
application
electrosynthesis
ammonia.
However,
involves
multi-proton
electron
transfer
as
well
desorption
underutilization
intermediates,
posing
a
challenge
selectivity
NO3
RR.
Here
electrodeposition
site
Co
modulated
by
depositing
Bi
bottom
catalyst,
thus
obtaining
Co+Bi@Cu
NW
catalyst
with
Bi-Co
corridor
structure.
In
50
mm
NO3-
,
exhibits
highest
Faraday
efficiency
≈100%
(99.51%),
an
yield
rate
1858.2
µg
h-1
cm-2
high
repeatability
-0.6
V
versus
reversible
hydrogen
electrode.
Moreover,
change
NO2-
concentration
on
surface
observed
in
situ
reflection
absorption
imaging
intermediates
RR
process
detected
electrochemical
Raman
spectroscopy
together
verify
trapping
effect
It
believed
that
measure
modulating
deposition
loading
element
easy-to-implement
general
method
for
improving
NH3
corresponding
scientific
research
applications.
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.
