Angewandte Chemie,
Journal Year:
2024,
Volume and Issue:
136(34)
Published: June 5, 2024
Abstract
Bismuth‐based
materials
have
emerged
as
promising
catalysts
in
the
electrocatalytic
reduction
of
CO
2
to
formate.
However,
reasons
for
reconstruction
Bi‐based
precursors
form
bismuth
nanosheets
are
still
puzzling,
especially
formation
defective
sites.
Herein,
we
prepare
with
vacancy‐rich
defects
(V‐Bi
NS)
by
rapidly
reconstructing
Bi
19
Cl
3
S
27
under
negative
potential.
Theoretical
analysis
reveals
that
introduction
chlorine
induces
generation
intrinsic
electric
field
precursor,
thereby
increasing
electron
transfer
rate
and
further
promoting
metallization
trivalent
bismuth.
Meanwhile,
experimental
tests
verify
has
a
faster
than
.
The
formed
V‐Bi
NS
exhibits
up
96
%
HCOO
−
Faraday
efficiency
400
mA
cm
−2
partial
current
densities,
its
electrochemical
active
surface
area
normalized
formate
density
yield
2.2
times
higher
those
intact
(I‐Bi
NS).
Density
functional
theory
calculations
indicate
vacancies
electron‐rich
aggregation
reduce
activation
energy
*CO
radicals
stabilize
adsorption
key
intermediate
*OCHO,
thus
facilitating
reaction
kinetics
production.
Energy & Environmental Science,
Journal Year:
2023,
Volume and Issue:
16(11), P. 4714 - 4758
Published: Jan. 1, 2023
This
review
analyzes
advanced
catalysts
and
C
2+
synthesis
mechanisms
based
on
theoretical
explorations
in
situ
/
operando
characterizations.
Triphasic
interface
optimization
is
discussed
for
the
potential
of
industry-compatible
stability.
Energy & Environmental Science,
Journal Year:
2023,
Volume and Issue:
16(7), P. 2991 - 3001
Published: Jan. 1, 2023
Laser-constructed
CuNi
alloy
electrodes
with
tandem
sites
of
Ni
provide
H*
and
Cu
for
NO
3
−
reduction,
achieving
ampere-level
reduction
high-performance
Zn–NO
batteries.
Advanced Energy Materials,
Journal Year:
2023,
Volume and Issue:
13(34)
Published: July 27, 2023
Abstract
The
efficient
conversion
of
CO
2
to
value‐added
products
represents
one
the
most
attractive
solutions
mitigate
climate
change
and
tackle
associated
environmental
issues.
In
particular,
electrochemical
reduction
fuels
chemicals
has
garnered
tremendous
interest
over
last
decades.
Among
all
from
reduction,
formic
acid
is
considered
economically
vital
products.
P‐block
metals
(especially
Bi,
Sn,
In,
Pb)
have
been
extensively
investigated
recognized
as
catalytic
materials
for
electroreduction
formate.
Despite
remarkable
progress,
future
implementation
this
technology
at
industrial‐scale
hinges
on
ability
solve
remaining
roadblocks.
review,
current
research
status,
challenges,
prospects
p‐block
metal‐based
catalysts
primarily
formate
are
comprehensively
reviewed.
rational
design
nanostructure
engineering
these
metal
optimization
their
performances
discussed
in
detail.
Subsequently,
recent
progress
development
state‐of‐the‐art
operando
characterization
techniques
together
with
advanced
cells
uncover
intrinsic
catalysis
mechanism
discussed.
Lastly,
a
perspective
directions
including
tackling
critical
challenges
realize
its
early
industrial
presented.
Angewandte Chemie International Edition,
Journal Year:
2023,
Volume and Issue:
62(49)
Published: Oct. 19, 2023
Electrochemical
carbon
dioxide
reduction
reaction
(CO2
RR)
to
produce
valuable
chemicals
is
a
promising
pathway
alleviate
the
energy
crisis
and
global
warming
issues.
However,
simultaneously
achieving
high
Faradaic
efficiency
(FE)
current
densities
of
CO2
RR
in
wide
potential
range
remains
as
huge
challenge
for
practical
implements.
Herein,
we
demonstrate
that
incorporating
bismuth-based
(BH)
catalysts
with
L-histidine,
common
amino
acid
molecule
proteins,
an
effective
strategy
overcome
inherent
trade-off
between
activity
selectivity.
Benefiting
from
significantly
enhanced
adsorption
capability
promoted
electron-rich
nature
by
L-histidine
integrity,
BH
catalyst
exhibits
excellent
FEformate
unprecedented
windows
(>90
%
within
-0.1--1.8
V
>95
-0.2--1.6
versus
reversible
hydrogen
electrode,
RHE).
Excellent
performance
can
still
be
achieved
under
low-concentration
feeding
(e.g.,
20
vol.%).
Besides,
extremely
low
onset
-0.05
VRHE
(close
theoretical
thermodynamic
-0.02
)
was
detected
situ
ultraviolet-visible
(UV-Vis)
measurements,
together
stable
operation
over
50
h
preserved
≈95
partial
density
326.2
mA
cm-2
at
-1.0
.
Advanced Energy Materials,
Journal Year:
2024,
Volume and Issue:
14(27)
Published: May 2, 2024
Abstract
Catalytic
conversion
of
CO
2
to
valuable
formate
provides
a
pathway
carbon
neutrality.
Indium
(In),
as
promising
catalyst,
exhibits
high
selectivity
toward
due
its
suitable
bonding
ability
*OCHO
intermediates.
However,
it
still
suffers
from
the
activation
and
protonation
steps,
leading
low
activity
productivity.
Here,
an
oxygen‐pinned
stabilization
AgIn
single‐atom
alloy
(O
p
‐Ag
1
In)
is
presented
for
efficiently
converting
into
(≈92.03%
Faradaic
efficiency)
with
partial
current
density
13
mA
cm
−2
at
−0.95
V
vs
RHE
by
using
standard
H‐type
reactor.
The
O
In
electrocatalyst
more
effective
in
because
activated
sites
catalyst
regulate
step
RR
formation
sufficient
amounts
*OCHO,
which
are
confirmed
situ
spectroscopic
theoretical
calculations.
continuous
production
showcased
70
–2
24
h
utilizing
flow
cell
In.
Green Carbon,
Journal Year:
2024,
Volume and Issue:
2(2), P. 131 - 148
Published: April 17, 2024
The
excessive
consumption
of
fossil
fuels
increases
CO2
emissions,
and
the
consequent
greenhouse
effect
resulting
from
higher
levels
this
gas
in
atmosphere
has
a
significant
impact
on
environment
climate.
This
necessitated
development
environmentally
friendly
efficient
methods
for
conversion.
carbon
dioxide
electroreduction
reaction
(CO2RR),
which
is
driven
by
electricity
generated
renewable
energy
sources
(e.g.,
wind
solar)
to
convert
into
value-added
or
chemicals,
regarded
as
promising
prospective
path
toward
cycling.
Among
various
products,
formate,
with
its
relatively
simple
preparation
process,
broad
application
prospects,
can
be
used
fuel,
hydrogen
storage
material,
raw
material
downstream
chemicals.
Sn-based
oxide
electrocatalysts
have
advantages
being
inexpensive
nontoxic.
In
addition,
these
catalysts
offer
high
product
selectivity
are
electrochemical
reduction
formate.
review,
we
first
clarify
mechanisms
factors
that
influence
then
provide
some
examples
technologies
could
study
evolution
during
reaction.
particular,
focus
traditional
oxides
(SnO2)
novel
perovskite
been
developed
use
field
CO2RR
recent
years
considering
their
synthesis,
catalytic
performance,
optimization
strategies,
intrinsic
principles.
Finally,
current
challenges
opportunities
discussed.
perspectives
latest
trends
presented
review
expected
inspire
researchers
contribute
more
efforts
comprehensively
optimizing
performance
produce
Advanced Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 15, 2025
Electrochemical
reduction
of
CO2
to
value-added
multicarbon
(C2+)
productions
offers
an
attractive
route
for
renewable
energy
storage
and
utilization,
but
it
remains
challenging
achieve
high
C2+
selectivity
at
industrial-level
current
density.
Herein,
a
Mo1Cu
single-atom
alloy
(SAA)
catalyst
is
reported
that
displays
remarkable
Faradaic
efficiency
86.4%
under
0.80
A
cm-2.
Furthermore,
the
partial
density
over
reaches
1.33
cm-2
with
surpasses
74.3%.
The
combination
operando
spectroscopy
functional
theory
(DFT)
indicates
as-prepared
SAA
enables
atom-scale
cascade
catalysis
via
multi-active
site
collaboration.
introduced
Mo
sites
promote
H2O
dissociation
fabricate
active
*H,
meanwhile,
Cu
(Cu0)
far
from
atom
are
activation
toward
CO.
Further,
CO
*H
captured
by
adjacent
(Cu&+)
near
atom,
accelerating
conversion
C─C
coupling
process.
Our
findings
benefit
design
tandem
electrocatalysts
atomic
scale
transforming
products
rate.