ACS Omega,
Journal Year:
2024,
Volume and Issue:
9(49), P. 48855 - 48866
Published: Nov. 26, 2024
Two
types
of
bismuth
films
(micro-Bi
and
nano-Bi)
were
prepared,
their
electrocatalytic
behavior
was
studied
in
terms
reduction
current
product
selectivity
a
potential
range
−0.776
to
−1.376
V
vs
RHE.
CO2
H2O
molecules
competed
with
each
other
for
on
the
surfaces
both
films,
formate
H2
respective
major
products
reductive
reactions.
Under
same
conditions,
nano-Bi
exhibited
lower
higher
compared
micro-Bi
cases
similar
thickness.
This
can
be
attributed
hydrophilicity
film
due
surface
nanoscale
roughness
surface-carbon
content
those
micro-Bi.
Our
results
suggest
new
strategy
controlling
under
aqueous
electrolytes
through
use
engineering.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: Jan. 10, 2025
Abstract
Reducing
carbon
dioxide
（CO
2
）to
high‐value
products
using
green
renewable
energy
is
a
promising
approach
for
addressing
and
greenhouse
effect
issues.
Consequently,
electrocatalytic
CO
reduction
reaction
(CO
RR)
technology
has
become
current
research
hotspot.
Since
the
discovery
of
high
activity
selectivity
copper
in
RR,
atomically
dispersed
Cu
catalysts
have
garnered
widespread
attention
due
to
their
efficient
atom
utilization,
unique
electronic
structure,
outstanding
catalytic
performance.
However,
great
challenge
remains
providing
rational
catalyst
design
principles
achieve
regulation
product
distribution.
A
clear
understanding
materials
an
in‐depth
interpretation
mechanism
as
well
elucidation
strategy
progress
toward
different
are
keys
building
solving
above
problem.
Therefore,
this
review
starts
with
introduction
advanced
characterization
techniques
reveal
structure
mechanisms.
Then,
various
optimization
strategies
applications
producing
targeted
summarized
discussed.
Finally,
perspectives
on
RR
field
future
development
offered.
ACS Energy Letters,
Journal Year:
2025,
Volume and Issue:
unknown, P. 822 - 829
Published: Jan. 15, 2025
Electrochemical
CO2
reduction
to
ethanol
faces
challenges
such
as
low
selectivity,
a
product
mixture
with
liquid
electrolyte,
and
poor
catalyst/reactor
stability.
Here,
we
developed
grain-rich
zinc-doped
Cu2O
precatalyst
that
presented
high
Faradaic
efficiency
of
over
40%
under
current
density
350
mA·cm–2.
Our
functional
theory
(DFT)
simulation
suggested
Zn
atoms
inside
the
structure
have
greater
carbophilicity
than
Cu
help
facilitate
*CHCHO
formation,
key
reaction
intermediate
toward
instead
other
C2
products.
A
ratio
between
ethylene
(FEEtOH/FEC2H4)
reached
2.34
in
precatalyst,
representing
an
4-fold
improvement
compared
bare
precatalyst.
By
integrating
this
Cu-based
catalyst
into
porous
solid
electrolyte
(PSE)
reactor
salt-managing
design,
achieved
stable
production
for
180
h
250
mA·cm–2
while
maintaining
selectivity
at
∼30%.
JACS Au,
Journal Year:
2025,
Volume and Issue:
5(2), P. 521 - 535
Published: Feb. 6, 2025
Electrocatalysis,
which
leverages
renewable
electricity,
has
emerged
as
a
cornerstone
technology
in
the
transition
toward
sustainable
energy
and
chemical
production.
However,
traditional
electrocatalytic
systems
often
produce
mixed,
impure
products,
necessitating
costly
purification.
Solid-state
electrolyte
(SSE)
reactors
represent
transformative
advancement
by
enabling
direct
production
of
high-purity
chemicals,
significantly
reducing
purification
costs
consumption.
The
versatility
SSE
extends
to
applications
such
CO2
capture
tandem
reactions,
aligning
with
green
decentralized
paradigm.
This
Perspective
provides
comprehensive
overview
reactors,
discussing
their
principles,
design
innovations,
producing
pure
chemicals─such
liquid
carbon
fuels,
hydrogen
peroxide,
ammonia─directly
from
other
sources.
We
further
explore
potential
highlighting
compatibility
versatile
systems.
Finally,
we
outline
future
research
directions
for
underscoring
role
advancing
manufacturing.
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 7, 2025
Abstract
Constructing
highly
efficient
bismuth
(Bi)‐based
catalysts
to
accelerate
the
sluggish
kinetic
process
of
CO
2
electroreduction
HCOOH
is
crucial
for
promoting
its
practical
application
but
also
challenging.
Herein,
cerium
oxide
catalyst
integrated
with
dual
active
centers
oxygen
vacancy
and
heterogeneous
interface
fabricated
facilitate
reduction
enhance
performance.
It
revealed
that
introduction
endows
a
remarkably
enhanced
adsorption
capacity
facilitates
transfer
more
electrons
*
.
Furthermore,
it
even
steers
reaction
pathway
favorably
toward
production.
The
optimization
adsorption,
activation,
energy
barriers
expedited
HCOOH.
As
expected,
this
exhibits
catalytic
performance
Faradaic
efficiency
97%
at
current
density
300
mA
cm
−2
This
work
highlights
significant
synergistic
advantages
vacancies
interfaces
in
optimizing
molecular
process.
