Unveiling the Mechanism of Aerobic Photocatalytic Nitrogen Fixation over Dynamic Structural Renovation on Bi2MO6 (M = Mo, W)
ACS Catalysis,
Год журнала:
2024,
Номер
14(18), С. 13542 - 13549
Опубликована: Авг. 28, 2024
The
aerobic
photocatalytic
nitrogen
reduction
reaction
(pNRR)
is
the
synthesis
of
ammonia
with
air
(N2/O2)
instead
a
high-purity
source,
which
can
avoid
use
high-cost
separation
equipment,
thus
reducing
production
cost
synthetic
ammonia.
Nevertheless,
mechanism
effect
oxygen
(O2)
on
structure
and
catalytic
performance
photocatalysts
in
pNRR
still
unclear.
Herein,
trace
Bi0
loaded
Bi2MO6
(M
=
Mo,
W)
was
ingeniously
synthesized
by
solvothermal
strategy,
demonstrated
superior
performance.
elucidated
quasi
situ
X-ray
photoelectron
spectroscopy,
electron
spin
resonance
density
functional
theory
calculation.
presence
O2
inhibited
formation
excess
competing
for
photogenerated
electrons
generating
·O2–,
dynamically
renovated
catalyst.
polarization
dipole
field
induced
an
appropriate
amount
boosted
photocarrier
spatial
separation/transfer
pNRR.
Язык: Английский
Surface-controlled oxygen vacancy-rich Bi/BiVO4 Schottky junction for highly selective and active photocatalytic nitrogen fixation
Chemical Engineering Journal,
Год журнала:
2024,
Номер
498, С. 155849 - 155849
Опубликована: Сен. 16, 2024
Язык: Английский
Effective N2 activation strategies for electrochemical ammonia synthesis
Chem,
Год журнала:
2025,
Номер
unknown, С. 102441 - 102441
Опубликована: Март 1, 2025
Язык: Английский
Electrochemical Nitrogen Reduction: The Energetic Distance to Lithium
ACS Energy Letters,
Год журнала:
2024,
Номер
9(10), С. 4947 - 4952
Опубликована: Сен. 19, 2024
Energy-efficient
electrochemical
reduction
of
nitrogen
to
ammonia
could
help
in
mitigating
climate
change.
Today,
only
Li-
and
recently
Ca-mediated
systems
can
perform
the
reaction.
These
materials
have
a
large
intrinsic
energy
loss
due
need
electroplate
metal.
In
this
work,
we
present
series
calculated
energetics,
formation
energies,
binding
energies
as
fundamental
features
calculate
energetic
distance
between
Li
Ca
potential
new
systems.
The
featured
increases
with
standard
potential.
However,
dimensionality
using
principal
component
analysis
provides
an
encouraging
picture;
are
not
exceptional
feature
space,
other
should
be
able
carry
out
it
becomes
more
challenging
positive
plating
is.
Язык: Английский
Techno-economic Assessment of Different Small-scale Electrochemical NH3 Production Plants
Energy & Environmental Science,
Год журнала:
2024,
Номер
unknown
Опубликована: Янв. 1, 2024
Electrochemical
ammonia
synthesis
Язык: Английский
Structural regulation strategies of nitrogen reduction electrocatalysts
CHINESE JOURNAL OF CATALYSIS (CHINESE VERSION),
Год журнала:
2024,
Номер
66, С. 20 - 52
Опубликована: Ноя. 1, 2024
Язык: Английский
Revitalizing lithium-mediated ammonia electrosynthesis activity over heterogeneous lithiophobic-lithiophilic solid electrolyte interphase
Journal of Energy Chemistry,
Год журнала:
2025,
Номер
unknown
Опубликована: Апрель 1, 2025
Язык: Английский
Bioinspired Dual-Site Photocathode with Atomic Molybdenum and Alkynyl Networks for Scalable Solar Ammonia Synthesis
ACS Nano,
Год журнала:
2025,
Номер
unknown
Опубликована: Май 12, 2025
The
Haber-Bosch
process,
while
pivotal
for
global
ammonia
production,
remains
energy-intensive
and
environmentally
unsustainable.
Here,
we
report
a
nitrogenase-inspired
photocathode
(Mo1/HsGDY@Cu2O)
that
synergistically
integrates
light-harvesting
Cu2O
nanowires,
hydrogen-radical-generating
alkynyl-rich
graphdiyne
(HsGDY),
atomically
dispersed
molybdenum
sites
solar-driven
nitrogen
fixation.
Mimicking
the
Fe/MoFe-cofactor
collaboration
in
nitrogenase,
enables
efficient
N2
adsorption
at
Mo1
hydrogen
radical
transfer
from
adjacent
alkynyl
groups,
significantly
lowering
energy
barrier
hydrogenation.
Under
10-sun
illumination,
system
achieves
record
yield
of
78.9
μg
cm-2
h-1
with
Faradaic
efficiency
38.9%
maintaining
86%
activity
over
240
h.
solution
directly
enhances
Epipremnum
aureum
root
growth
by
2.3-fold,
demonstrating
immediate
agricultural
utility.
Combined
bias-free
operation
scalable
solar
concentration,
this
work
provides
practical
blueprint
decarbonizing
fertilizer
production.
Operando
spectroscopy
DFT
calculations
further
reveal
dual-site
synergy─Mo1
activation
groups
H•
supply─drives
catalytic
mechanism,
offering
universal
strategy
enzyme-inspired
conversion
systems.
Язык: Английский
Preparation of the LiGa Intermetallic Alloy by Electrochemical or Thermal Method for Ammonia Synthesis
Journal of Sustainable Metallurgy,
Год журнала:
2024,
Номер
unknown
Опубликована: Ноя. 18, 2024
Язык: Английский
A Theoretical Perspective for Ammonia Synthesis: Nitric Oxide or Nitrate Electroreduction?
Q.G. Wang,
Pu Guo,
Huan Li
и другие.
Small Methods,
Год журнала:
2024,
Номер
unknown
Опубликована: Окт. 14, 2024
Abstract
Ammonia
is
an
important
raw
material
for
agricultural
production,
playing
a
key
role
in
global
food
production.
However,
conventional
ammonia
synthesis
resulted
extensive
greenhouse
gas
emissions
and
huge
energy
consumption.
Recently,
researchers
have
proposed
electrocatalytic
reverse
artificial
nitrogen
cycle
(eRANC)
routes
to
circumvent
these
issues,
which
can
be
driven
by
electrocatalysis
sustainable
electricity.
Here,
theoretical
computational
perspective
on
the
challenges
opportunities
with
comparison
experimental
results:
electrochemical
reduction
of
nitrate
(eNO
3
RR)
nitrite
2
RR),
nitric
oxide
(eNORR)
combined
oxidative
fixation
are
presented.
By
comparison,
N
→NO→NH
route
as
most
promising
case
NO
solubility
solved
well
reactor
design.
Its
high
efficiency
production
demonstrated.
Instead,
eNO
RR
another
choice
because
it
non‐toxic
solid‐liquid
interface
usually
efficient
reactions,
while
its
low
selectivity
at
overpotentials
issue.
These
fundamentals
highlight
potential
factors
eRANC
Язык: Английский