ACS Catalysis,
Год журнала:
2024,
Номер
14(7), С. 5275 - 5285
Опубликована: Март 25, 2024
Selective
photocatalytic
CO2
methanation
provides
an
attractive
avenue
to
address
energy
and
environmental
issues.
However,
impediments
such
as
the
sluggish
adsorption
activation
of
H2O
molecules,
along
with
unexpected
intermediate
desorption,
greatly
restrict
activity
selectivity
methanation.
To
these
issues,
we
devised
a
dual-active
site
catalyst
comprising
Cu
single
atoms
(SAs)
nanoclusters
(NCs)
supported
on
defective
TiO2
(Cu1+NCs/BT).
As
result,
remarkable
CH4
98%
yield
19.63
μmol
gcat.–1
h–1
can
be
obtained
over
as-prepared
Cu1+NCs/BT
in
pure
water.
Mechanistic
studies
reveal
enhanced
performance
could
ascribed
synergistic
effect
sites,
where
SAs
adsorb
activate
CO2,
while
NCs
boost
dissociation
for
*H
coverage.
Additionally,
adjacent
jointly
stabilize
*CO
reduce
barrier
protonation,
promoting
multielectron
transfer
process.
Advanced Materials,
Год журнала:
2023,
Номер
36(1)
Опубликована: Апрель 20, 2023
This
topical
review
focuses
on
the
distinct
role
of
carbon
support
coordination
environment
single-atom
catalysts
(SACs)
for
electrocatalysis.
The
article
begins
with
an
overview
atomic
configurations
in
SACs,
including
a
discussion
advanced
characterization
techniques
and
simulation
used
understanding
active
sites.
A
summary
key
electrocatalysis
applications
is
then
provided.
These
processes
are
oxygen
reduction
reaction
(ORR),
evolution
(OER),
hydrogen
(HER),
nitrogen
(NRR),
dioxide
(CO
Energy & Environmental Science,
Год журнала:
2023,
Номер
16(7), С. 2759 - 2803
Опубликована: Янв. 1, 2023
The
catalytic
transformation
of
CO
2
into
valuable
fuels/chemicals
is
a
promising
and
economically
profitable
process
because
it
offers
an
alternative
toward
fossil
feedstocks
the
benefit
transforming
cycling
on
scale-up.
Chemical Society Reviews,
Год журнала:
2024,
Номер
53(10), С. 4877 - 4925
Опубликована: Янв. 1, 2024
This
review
systematically
summarizes
various
redox
mechanisms
in
Zn-based
batteries
and
design
strategies
to
improve
their
electrochemical
performance,
which
provides
a
reference
for
future
development
of
high-performance
batteries.
Angewandte Chemie International Edition,
Год журнала:
2023,
Номер
63(4)
Опубликована: Дек. 1, 2023
Abstract
Single‐atom
alloys
(SAAs),
combining
the
advantages
of
single‐atom
and
nanoparticles
(NPs),
play
an
extremely
significant
role
in
field
heterogeneous
catalysis.
Nevertheless,
understanding
catalytic
mechanism
SAAs
catalysis
reactions
remains
a
challenge
compared
with
single
atoms
NPs.
Herein,
ruthenium‐nickel
(RuNi
)
synthesized
by
embedding
atomically
dispersed
Ru
Ni
NPs
are
anchored
on
two‐dimensional
Ti
3
C
2
T
x
MXene.
The
RuNi
SAA‐3
−Ti
catalysts
exhibit
unprecedented
activity
for
hydrogen
evolution
from
ammonia
borane
(AB,
NH
BH
hydrolysis
mass‐specific
(r
mass
value
333
L
min
−1
g
.
Theoretical
calculations
reveal
that
anchoring
optimizes
dissociation
AB
H
O
as
well
binding
ability
H*
intermediates
during
due
to
d‐band
structural
modulation
caused
alloying
effect
metal‐supports
interactions
(MSI)
This
work
provides
useful
design
principles
developing
optimizing
efficient
hydrogen‐related
demonstrates
over
energy
Energy & Environmental Science,
Год журнала:
2023,
Номер
17(1), С. 249 - 259
Опубликована: Ноя. 16, 2023
Novel
Fe
single-atom
catalysts
with
highly
coordinated
Fe–N
4
SP
structures
were
designed
via
the
multi-coordination-shell
synergistic
effect.
The
optimization
of
enhances
their
ORR
activity
in
alkaline/acidic
media
towards
rechargeable
Zn–air
batteries.
Advanced Materials,
Год журнала:
2023,
Номер
35(51)
Опубликована: Апрель 24, 2023
Metal
alloys-structured
electrocatalysts
(MAECs)
have
made
essential
contributions
to
accelerating
the
practical
applications
of
electrocatalytic
devices
in
renewable
energy
systems.
However,
due
complex
atomic
structures,
varied
electronic
states,
and
abundant
supports,
precisely
decoding
metal-metal
interactions
structure-activity
relationships
MAECs
still
confronts
great
challenges,
which
is
critical
direct
future
engineering
optimization
MAECs.
Here,
this
timely
review
comprehensively
summarizes
latest
advances
creating
MAECs,
including
interactions,
coordination
microenvironments,
relationships.
First,
fundamental
classification,
design,
characterization,
structural
reconstruction
are
outlined.
Then,
merits
modulation
strategies
recent
breakthroughs
for
noble
non-noble
metal-structured
thoroughly
discussed,
such
as
solid
solution
alloys,
intermetallic
single-atom
alloys.
Particularly,
unique
insights
into
bond
theoretical
understanding,
operando
techniques
mechanism
disclosure
given.
Thereafter,
current
states
diverse
with
a
focus
on
property-reactivity
relationships,
reaction
pathways,
performance
comparisons
discussed.
Finally,
challenges
perspectives
systematically
It
believed
that
comprehensive
can
offer
substantial
impact
stimulating
widespread
utilization
metal
materials
electrocatalysis.
