Small,
Journal Year:
2022,
Volume and Issue:
18(46)
Published: Sept. 23, 2022
Abstract
In
recent
years,
some
experiments
and
theoretical
work
have
pointed
out
that
diatomic
catalysts
not
only
retain
the
advantages
of
monoatomic
catalysts,
but
also
introduce
a
variety
interactions,
which
exceed
limit
catalytic
performance
can
be
applied
to
many
fields.
Here,
interaction
between
adjacent
metal
atoms
in
is
elaborated:
synergistic
effect,
spacing
enhancement
effect
(geometric
effect),
electronic
effect.
With
regard
classification
characterization
various
new
are
classified
into
four
categories:
heteronuclear/homonuclear,
with/without
carbon
carriers,
their
measures
introduced
explained
detail.
aspect
preparation
widely
used
atomic
layer
deposition
method,
metal–organic
framework
derivative
simple
ball
milling
method
introduced,
with
emphasis
on
formation
mechanism
catalysts.
Finally,
effective
control
strategies
key
applications
electrocatalysis,
photocatalysis,
thermal
catalysis,
other
fields
given.
Nature Communications,
Journal Year:
2023,
Volume and Issue:
14(1)
Published: July 24, 2023
Dual-atom
catalysts,
particularly
those
with
heteronuclear
active
sites,
have
the
potential
to
outperform
well-established
single-atom
catalysts
for
oxygen
evolution
reaction,
but
underlying
mechanistic
understanding
is
still
lacking.
Herein,
a
large-scale
density
functional
theory
employed
explore
feasibility
of
*O-*O
coupling
mechanism,
which
can
circumvent
scaling
relationship
improving
catalytic
performance
N-doped
graphene
supported
Fe-,
Co-,
Ni-,
and
Cu-containing
dual-atom
namely,
M'M@NC.
Based
on
constructed
activity
maps,
rationally
designed
descriptor
be
obtained
predict
homonuclear
catalysts.
Seven
four
possess
high
activities
that
minimum
theoretical
overpotential.
The
chemical
structural
origin
in
favor
mechanism
thus
leading
enhanced
reaction
been
revealed.
This
work
not
only
provides
additional
insights
into
fundamental
mechanisms,
also
offers
guideline
accelerated
discovery
efficient
Nano-Micro Letters,
Journal Year:
2023,
Volume and Issue:
15(1)
Published: March 2, 2023
Abstract
Electrocatalytic
oxygen
evolution
reaction
(OER)
has
been
recognized
as
the
bottleneck
of
overall
water
splitting,
which
is
a
promising
approach
for
sustainable
production
H
2
.
Transition
metal
(TM)
hydroxides
are
most
conventional
and
classical
non-noble
metal-based
electrocatalysts
OER,
while
TM
basic
salts
[M
2+
(OH)
2-x
(A
m−
)
x/m
,
A
=
CO
3
2−
NO
−
F
Cl
]
consisting
OH
another
anion
have
drawn
extensive
research
interest
due
to
its
higher
catalytic
activity
in
past
decade.
In
this
review,
we
summarize
recent
advances
their
application
OER
further
splitting.
We
categorize
salt-based
pre-catalysts
into
four
types
(CO
according
anion,
key
factor
outstanding
performance
towards
OER.
highlight
experimental
theoretical
methods
understanding
structure
during
effect
on
performance.
To
develop
bifunctional
catalyst
practical
electrolysis
application,
also
review
present
strategies
enhancing
hydrogen
thereby
improving
splitting
Finally,
conclude
with
summary
perspective
about
remaining
challenges
future
opportunities
catalysts
electrolysis.
Nature Communications,
Journal Year:
2023,
Volume and Issue:
14(1)
Published: Nov. 8, 2023
Dual
atom
catalysts,
bridging
single
and
metal/alloy
nanoparticle
offer
more
opportunities
to
enhance
the
kinetics
multifunctional
performance
of
oxygen
reduction/evolution
hydrogen
evolution
reactions.
However,
rational
design
efficient
dual
catalysts
remains
a
blind
area
is
challenging.
In
this
study,
we
achieved
controllable
regulation
from
Co
nanoparticles
CoN4
atoms
Co2N5
using
an
atomization
sintering
strategy
via
N-stripping
thermal-migrating
process.
More
importantly,
could
be
extended
fabrication
22
distinct
catalysts.
particular,
with
tailored
spin
states
achieve
ideally
balanced
adsorption/desorption
intermediates,
thus
realizing
superior
activity.
addition,
it
endows
Zn-air
batteries
long-term
stability
for
800
h,
allows
water
splitting
continuously
operate
1000
can
enable
solar-powered
systems
uninterrupted
large-scale
production
throughout
day
night.
This
universal
scalable
provides
controlled
in
energy
conversion
technologies.
Small,
Journal Year:
2022,
Volume and Issue:
18(46)
Published: Sept. 23, 2022
Abstract
In
recent
years,
some
experiments
and
theoretical
work
have
pointed
out
that
diatomic
catalysts
not
only
retain
the
advantages
of
monoatomic
catalysts,
but
also
introduce
a
variety
interactions,
which
exceed
limit
catalytic
performance
can
be
applied
to
many
fields.
Here,
interaction
between
adjacent
metal
atoms
in
is
elaborated:
synergistic
effect,
spacing
enhancement
effect
(geometric
effect),
electronic
effect.
With
regard
classification
characterization
various
new
are
classified
into
four
categories:
heteronuclear/homonuclear,
with/without
carbon
carriers,
their
measures
introduced
explained
detail.
aspect
preparation
widely
used
atomic
layer
deposition
method,
metal–organic
framework
derivative
simple
ball
milling
method
introduced,
with
emphasis
on
formation
mechanism
catalysts.
Finally,
effective
control
strategies
key
applications
electrocatalysis,
photocatalysis,
thermal
catalysis,
other
fields
given.
