Advanced Functional Materials,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 1, 2024
Abstract
Electrochemical
nitrate
reduction
to
ammonia
(NRA)
is
a
promising
approach
for
alleviating
energy
crisis
and
water
pollution.
Current
NRA
catalysts
are
challenged
simultaneously
improve
the
rate
of
adsorption
desorption
processes
further
increase
total
activity
due
Brønsted−Evans−Polanyi
(BEP)
relationships.
Herein,
two‐step
Joule
heating
method
utilized
preparation
Ni
0.25
Cu
0.5
Sn
nanometallic
glass
containing
synergistic
catalytic
sites
enhance
processes.
Kelvin
probe
force
microscopy
reveals
pronounced
oscillatory
behavior
in
surface
potential
glass,
which
an
important
feature
site,
empirical
formula
proposed
quantitatively
characterize
its
characteristic.
In
situ
electrochemical
Raman
spectroscopy
indicates
promotion
nickel
tin
atoms
processes,
respectively.
DFT
calculations
demonstrated
that
presents
wide
range
distributions
favor
multisite
catalysis.
The
present
work
provides
new
ideas
design
understanding
highly
active
catalysts.
Advanced Materials,
Год журнала:
2023,
Номер
36(17)
Опубликована: Июнь 9, 2023
Natural
nitrogen
cycle
has
been
severely
disrupted
by
anthropogenic
activities.
The
overuse
of
N-containing
fertilizers
induces
the
increase
nitrate
level
in
surface
and
ground
waters,
substantial
emission
oxides
causes
heavy
air
pollution.
Nitrogen
gas,
as
main
component
air,
used
for
mass
ammonia
production
over
a
century,
providing
enough
nutrition
agriculture
to
support
world
population
increase.
In
last
decade,
researchers
have
made
great
efforts
develop
processes
under
ambient
conditions
combat
intensive
energy
consumption
high
carbon
associated
with
Haber-Bosch
process.
Among
different
techniques,
electrochemical
reduction
reaction
(NO
Advanced Functional Materials,
Год журнала:
2023,
Номер
33(43)
Опубликована: Июнь 25, 2023
Abstract
Ammonia
as
an
irreplaceable
chemical
has
been
widely
demanded
to
keep
the
sustainable
development
of
modern
society.
However,
its
industrial
production
consumes
huge
energy
and
releases
extraordinary
green‐house
gases,
leading
various
environmental
issues.
To
achieve
green
ammonia
is
a
great
challenge
that
extensively
pursued
recently.
In
review,
most
promising
strategy,
electrochemical
nitrate
reduction
reaction
(e‐NO
3
RR)
for
purpose
comprehensively
investigated
give
full
understanding
mechanism
provide
guidance
future
directions.
Particularly,
electrocatalysts
focused
realize
high
yield
rate
Faraday
efficiency
applications.
The
recent‐developed
catalysts,
including
noble
metallic
materials,
alloys,
metal
compounds,
single‐metal‐atom
metal‐free
are
systematically
discussed
review
effects
factors
on
catalytic
performance
in
e‐NO
RR.
Accordingly,
strategies,
defects
engineering,
coordination
environment
modulating,
surface
controlling,
hybridization,
carefully
improve
performance,
such
intrinsic
activity
selectivity.
Finally,
perspectives
challenges
given
out.
This
shall
insightful
advanced
systems
efficiently
industry.
Advanced Functional Materials,
Год журнала:
2023,
Номер
33(50)
Опубликована: Авг. 27, 2023
Abstract
Single‐atom
catalysts
(SACs)
are
desirable
in
environmental
catalysis
due
to
friendliness,
structural
stability,
and
maximum
utilization
of
active
metal
sites.
Extensive
research
has
compared
the
catalytic
performance
between
SACs
with
different
single‐atom
metals.
However,
their
is
also
highly
dependent
on
supports,
which
play
an
important
role
modulating
local
coordination
environment
SACs.
Unfortunately,
a
comprehensive
review
that
systematically
discusses
relationship
supports
environment,
as
well
combined
effects
scare.
In
this
review,
three
widely
investigated
applications
including
advanced
oxidation
processes
(AOPs),
mainly
Fenton
Fenton‐like
reactions,
nitrate
reduction
reaction
(NO
3
RR)
focused.
By
correlating
characterization
results,
performances,
computational
environments
reactivity
examined
detail,
from
origin
pathways
AOPs
NO
RR
attempted
reveal.
Finally
look
forward
for
potential
opportunities
challenges
on‐demand
applications,
provided.
Environmental Science & Technology,
Год журнала:
2024,
Номер
58(24), С. 10863 - 10873
Опубликована: Июнь 6, 2024
Electrochemical
nitrate
reduction
(NO3RR)
provides
a
new
option
to
abate
contamination
with
low
carbon
footprint.
Restricted
by
competitive
hydrogen
evolution,
achieving
satisfied
performance
in
neutral
media
is
still
challenge,
especially
for
the
regulation
of
this
multielectron
multiproton
reaction.
Herein,
facile
element
doping
adopted
tune
catalytic
behavior
IrNi
alloy
nanobranches
an
unconventional
hexagonal
close-packed
(hcp)
phase
toward
NO3RR.
In
particular,
obtained
hcp
IrNiCu
favor
ammonia
production
and
suppress
byproduct
formation
electrolyte
indicated
situ
differential
electrochemical
mass
spectrometry,
high
Faradaic
efficiency
(FE)
85.6%
large
yield
rate
1253
μg
cm–2
h–1
at
−0.4
−0.6
V
(vs
reversible
electrode
(RHE)),
respectively.
contrast,
resultant
IrNiCo
promote
nitrite,
peak
FE
33.1%
−0.1
RHE).
Furthermore,
hybrid
electrolysis
cell
consisting
NO3RR
formaldehyde
oxidation
constructed,
which
are
both
catalyzed
nanobranches.
This
electrolyzer
exhibits
lower
overpotential
holds
potential
treat
polluted
air
wastewater
simultaneously,
shedding
light
on
green
chemical
based
contaminate
degradation.
Energy & environment materials,
Год журнала:
2024,
Номер
7(5)
Опубликована: Апрель 20, 2024
The
electrochemical
coupling
of
biomass
oxidation
and
nitrogen
conversion
presents
a
potential
strategy
for
high
value‐added
chemicals
cycling.
Herein,
in
this
work,
CuO/Co
3
O
4
with
heterogeneous
interface
is
successfully
constructed
as
bifunctional
catalyst
the
electrooxidation
5‐hydroxymethylfurfural
to
2,5‐furandicarboxylic
acid
electroreduction
nitrate
ammonia
(NH
).
open‐circuit
spontaneous
experiment
shows
that
more
molecules
are
adsorbed
Helmholtz
layer
composite,
which
certifies
heterostructure
conducive
kinetic
adsorption
5‐hydroxymethylfurfural.
In
situ
impedance
spectroscopy
further
has
faster
reaction
kinetics
lower
oxygen
evolution
electrocatalytic
oxidation.
Moreover,
also
good
reduction
effect
on
.
ex‐situ
Raman
under
potential,
metal
oxide
reduced,
generated
Cu
2
can
be
used
new
active
site
promote
NH
synthesis.
This
work
provides
valuable
guidance
synthesis
by
coupled
while
efficiently
producing
