Abstract
In
this
account,
we
summarize
our
recent
progress
on
the
structural
regulation
and
selective
catalysis
of
biomass-derived
carbon-based
non-precious
nanocatalysts
(Fe,
Co,
Ni,
Cu)
in
organic
reactions
that
include
hydrogenation
functional
nitro
compounds
to
amines,
oxidation
alkenes,
coupling
reactions,
unsaturated
aldehydes.
1
Introduction
2
Fe-Based
Catalysts
3
Co-Based
4
Ni-Based
5
Cu-Based
6
Conclusions
ACS Catalysis,
Год журнала:
2025,
Номер
15(3), С. 1942 - 1951
Опубликована: Янв. 17, 2025
Iridium-based
electrocatalysts
are
the
most
promising
candidates
for
acidic
oxygen
evolution
reaction
(OER).
Considering
their
high
cost
and
scarcity,
it
is
imperative
to
maximize
atom
utilization
enhance
intrinsic
activity
of
iridium.
In
this
work,
IrOx
sub-2
nm
clusters
stabilized
on
TiO2
supports
via
metal
support
interaction
(MSI)
induced
by
vacancy
defects
in
TiO2.
The
strength
MSI
readily
tuned
type
vacancies:
vacancies
(VO-TiO2)
induce
adsorbed
with
relatively
weak
strength,
while
titanium
(VTi-TiO2)
lead
strong
embedded
MSI.
tunable
further
modulates
electronic
structure
clusters.
IrOx/VO-TiO2
exhibits
an
optimized
a
downshifted
d-band
center
IrOx,
resulting
reduced
binding
energy
low
barrier
rate-determining
step
OER.
Consequently,
delivers
twice
that
commercial
IrO2
good
stability
120
h
practical
proton
exchange
membrane
water
electrolyzer.
Our
study
provides
guideline
rational
design
OER
catalysts
based
modulating
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 2, 2025
Abstract
Atomically
dispersed
materials
have
been
a
thriving
research
field
due
to
their
maximum
atomic
utilization
and
remarkable
performance
in
energy
conversion
storage
systems.
Owing
the
large
radius,
strong
oxophilicity,
unique
electronic
properties,
rare‐earth
(RE)
elements
widely
investigated
as
oxide
carriers
promoters
atomically
manipulate
regulate
structure
of
active
species.
Single‐atom
state
with
an
adjustable
coordination
environment
on
N‐doped
carbon
endows
RE
metals
special
states
outstanding
catalytic
performances.
A
thorough
comprehension
modulation
mechanism
paves
way
for
construction
advanced
RE‐based
electrocatalysts
high
activity,
stability,
selectivity.
This
review
provides
widespread
insight
into
roles
modulating
properties
combined
structure–performance
relationship
electrocatalysis
processes.
The
characteristic
physical
chemical
are
highlighted,
synthetic
strategy
is
discussed.
Finally,
summary
perspectives
rational
design
development
highly
efficient
catalysts
proposed.
aims
provide
guideline
promoting
effective
functional
materials.
Establishing
optimized
metal–support
interaction
(MSI)
between
active
sites
and
the
substrate
is
essential
for
modulating
adsorption
properties
of
key
reaction
intermediates
during
catalysis,
thereby
enhancing
catalytic
performance.
In
this
study,
catalyst
composites
with
varying
degrees
MSI
are
constructed
using
ruthenium
(Ru)
different
carbon
nanotubes,
their
performance
alkaline
hydrogen
evolution
(HER)
systematically
investigated.
Detailed
kinetic
assessments
reveal
that
catalysts
a
strong
exhibit
superior
HER
activity.
For
instance,
Ru-O-CNT
composite
demonstrates
an
encouragingly
low
overpotential
11
mV
at
10
mA
cm–2
excellent
stability.
Electrochemical
voltammetry
analysis
indicates
effective
optimizes
binding
strength
both
*H
*OH,
accelerating
process.
Furthermore,
we
showcase
industrial-level
electrolyzer,
assembled
as
cathodic
catalyst,
achieves
impressive
cell
voltage
1.72
V
high
stability
current
density
1
A
cm–2.
Advanced Functional Materials,
Год журнала:
2025,
Номер
unknown
Опубликована: Март 16, 2025
Abstract
Powering
the
electrochemical
nitrate
reduction
reaction
(NO
3
⁻RR)
by
renewable
energy
is
a
sustainable
way
to
restore
environment
and
produce
nitrogen–hydrogen
compounds.
However,
process
requires
multiple
electron
transfers
complex
paths,
making
it
essential
understand
mechanisms
at
molecular
level.
In
this
regard,
2D
materials
attract
significant
interest
due
their
large
surface
area,
tunable
electronic
structures,
suitability
as
model
catalysts
for
studying
structure–activity
relationships.
Advances
in
use
of
electrocatalytic
NO
⁻RR
C–N
coupling
reactions
are
analyzed
elucidated
influence
various
catalyst
design
strategies
on
mechanisms.
Using
advanced
situ/operando
measurement
techniques,
conducting
rigorous
theoretical
analyses,
scaling
up
industrial
electrolyzers
pivotal
unlocking
practical
potential
beyond.
A
map
developing
next‐generation
electrocatalysts
devices
provided
enable
efficient
nitrogen
cycle
using
electrocatalysis.
ACS Applied Materials & Interfaces,
Год журнала:
2025,
Номер
unknown
Опубликована: Янв. 3, 2025
Strong
metal-support
interactions
(SMSIs)
are
essential
for
optimizing
the
performance
of
supported
metal
catalysts
by
tuning
metal-oxide
interface
structures.
This
study
explores
hydrogenation
CO