Dual‐reaction pathway engineering via anode‐driven methanol oxidation for efficient electrocatalytic ammonia production
Yuzhe Zhang,
No information about this author
Lu Chen,
No information about this author
Xiaoqing Yan
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et al.
AIChE Journal,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 21, 2025
Abstract
Replacing
the
anodic
oxygen
evolution
reaction
with
selective
methanol
oxidation
to
formic
acid
offers
a
promising
route
enhance
paired
electrochemical
ammonia
synthesis.
However,
inherent
kinetic
and
thermodynamic
disparities
between
cathodic
reduction
present
significant
challenges
in
achieving
optimal
system
performance.
Herein,
we
propose
dual‐reaction
strategy
employing
bifunctional
Au/CoOOH
nanocomposite
catalysts,
simultaneous
NH
3
production
(34.15
g)
synthesis
(69.65
after
24
h
at
2.6
V
cell
voltage.
Density
functional
theory
(DFT)
calculations
further
reveal
that
loading
Co‐based
catalysts
its
hybridization
Au
nanoparticles
can
effectively
tune
electronic
configuration
of
Co‐O
sites
poison
their
strong
adsorption
capacity
intermediate
products,
lowering
energy
barrier
alter
pathway.
This
work
provides
an
atomic‐level
design
principle
for
coupled
systems,
demonstrating
better
efficiency,
while
co‐producing
high‐value
chemicals
scalable
green
Language: Английский
Enhancing the hydrogen spillover effect of Pt/SiC by regulating the hydrogen diffusion pathway for cinnamaldehyde hydrogenation
Ji‐Xiao Zhao,
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Xinchao Liu,
No information about this author
Qingmin Hu
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et al.
Applied Surface Science,
Journal Year:
2025,
Volume and Issue:
unknown, P. 163403 - 163403
Published: May 1, 2025
Language: Английский
Advances in the Structure–Activity Relationship of Electrocatalytic C–N Coupling: From Nanocatalysis to Single Metal Site Catalysis
Yinchao Yao,
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Zhiyi Sun,
No information about this author
Tiesong Li
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et al.
ACS Nano,
Journal Year:
2025,
Volume and Issue:
unknown
Published: May 14, 2025
C-N
coupling
is
crucial
for
constructing
amides
and
amines
involves
various
fields,
including
medicine,
chemical
industries,
agriculture,
energy.
With
the
rapid
development
of
electrocatalytic
continuous
improvement
catalytic
performance,
this
field
has
aroused
extensive
research
interest.
A
comprehensive
review
urgently
needed
to
summarize
structure-activity
relationship,
key
challenges,
future
directions.
This
provides
a
concise
overview
recent
advancements
from
nanocatalysis
single
metal
site
catalysis
reactions.
We
mechanisms
using
different
nitrogen
sources
further
analyze
influences
active
centers
coordination
environments
on
thereby
elucidating
relationship.
Moreover,
we
discuss
dynamic
structural
evolution
sites
during
reaction.
Finally,
present
current
challenges
perspectives
in
field.
aims
provide
valuable
insights
into
advanced
nano/single
catalysts
reactions
along
with
deeper
understanding
mechanisms.
Language: Английский
Edge‐Rich Graphene Nanomesh Thermally Self‐Exfoliated From Metal‐Organic Frameworks for Boosting CO2 Electroreduction
Mingxu Liu,
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Yunhui Xie,
No information about this author
Fulai Liu
No information about this author
et al.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: May 15, 2025
Abstract
Atomic‐level
metal
sites
at
the
edges
of
graphene‐like
carbon
supports
are
considered
more
active
for
CO
2
electrocatalysis
than
those
in‐plane.
However,
creating
high‐density
edge‐dominating
sites,
particularly
in
a
simple,
scalable,
and
self‐templated
fashion,
presents
significant
challenge.
Herein,
MOF‐mediated
self‐exfoliation
strategy
is
reported
to
preferentially
integrate
edge‐type
FeN
4
onto
ultrathin
edge‐rich
N‐doped
graphene
nanomesh
(e‐Fe‐NGM).
Theoretical
calculations,
finite
element
method
(FEM)
simulations,
together
with
series
situ
spectro‐electrochemical
experiments
corroborate
that
can
not
only
optimize
electronic
structure
catalysts,
facilitating
formation
*
COOH
desorption
CO,
but
also
effectively
induce
strong
local
electrostatic
field,
promoting
interfacial
H
O
supply
thereby
accelerating
protonation
process
.
Thus‐prepared
e‐Fe‐NGM
delivers
remarkable
Faraday
efficiency
(FE)
above
98%
over
an
ultra‐wide
potential
window
500
mV
high
turnover
frequency
6648
h
−1
,
much
superior
controlled
sample
dominant
plane‐type
sites.
Moreover,
this
self‐exfoliated,
non‐catalyzed
approach
readily
scalable
be
used
produce
large‐size
industrial
levels.
Language: Английский