iScience,
Journal Year:
2024,
Volume and Issue:
27(3), P. 109313 - 109313
Published: Feb. 23, 2024
SummaryElectrocatalytic
CO2
reduction
reaction
(CO2RR)
has
emerged
as
a
focal
point
in
sustainable
energy
research,
offering
the
potential
for
closed
carbon
cycle.
Among
numerous
catalysts
designed
CO2RR,
two-dimensional
(2D)
Cu-based
stand
out
their
remarkable
performance
efficiently
converting
into
high-value-added
C1
and
C2+
chemicals.
Herein,
we
discuss
recent
progress
challenges
realm
of
CO2RR
utilizing
2D
catalysts.
The
first
section
introduces
various
synthetic
strategies,
emphasizing
features
advantages
different
techniques
proposing
solutions
to
existing
challenges.
second
part
outlines
mechanism
underlying
production
products
on
catalysts,
then
summarizes
applications
types
CO2RR.
Additionally,
evaluate
limitations
propose
improved
strategies.
Through
this
exploration
research
advances
challenges,
hope
illuminate
path
toward
developing
excellent
electrocatalysts.Graphical
abstract
Advanced Functional Materials,
Journal Year:
2024,
Volume and Issue:
34(28)
Published: Feb. 24, 2024
Abstract
It
is
important
to
tune
the
coordination
configuration
of
dual‐atom
catalyst
(DAC),
especially
in
first
sphere,
render
high
intrinsic
catalytic
activities
for
oxygen
reduction/evolution
reactions
(ORR/OER).
Herein,
a
type
atomically
dispersed
and
boron‐coordinated
DAC
structure,
namely,
FeN
4
B‐NiN
B
dual
sites,
reported.
In
this
incorporation
boron
into
sphere
/NiN
atomic
sites
regulates
its
geometry
electronic
structure
by
forming
“Fe‐B‐N”
“Ni‐B‐N”
bridges.
The
exhibits
much
enhanced
ORR
OER
property
compared
‐NiN
counterparts.
Density
functional
theory
calculations
reveal
that
boron‐induced
charge
transfer
asymmetric
distributions
central
Fe/Ni
atoms
optimize
adsorption
desorption
behavior
ORR/OER
intermediates
reduce
activation
energy
potential‐determining
step.
Zinc‐air
batteries
employing
cathode
exhibit
maximum
power
density
(236.9
mW
cm
−2
)
stable
cyclability
up
1100
h.
result
illustrates
pivotal
role
first‐coordination
DACs
tuning
electrochemical
conversion
storage
activities.
Angewandte Chemie International Edition,
Journal Year:
2023,
Volume and Issue:
62(40)
Published: June 21, 2023
The
coordination
structure
determines
the
electrocatalytic
performances
of
single
atom
catalysts
(SACs),
while
it
remains
a
challenge
to
precisely
regulate
their
spatial
location
and
environment.
Herein,
we
report
universal
sub-nanoreactor
strategy
for
synthesis
yolk-shell
MoS2
supported
electrocatalysts
with
dual-anchored
microenvironment
vacancy-enriched
intercalation
carbon
toward
robust
hydrogen-evolution
reaction.
Theoretical
calculations
reveal
that
"E-Lock"
"E-Channel"
are
conducive
stabilize
activate
metal
atoms.
A
group
SACs
is
subsequently
produced
assistance
sulfur
vacancy
in
sub-nanoreactor.
optimized
C-Co-MoS2
yields
lowest
overpotential
(η10
=17
mV)
compared
previously
reported
-based
date,
also
affords
5-9
fold
improvement
activity
even
comparing
those
as-prepared
single-anchored
analogues.
results
situ
characterizations
unveil
its
active
center
durability.
This
work
provides
pathway
design
efficient
electro-refinery.
