Direct Electroreduction of Low-Concentration CO2: Progress and Perspective
ACS Nano,
Journal Year:
2025,
Volume and Issue:
unknown
Published: March 13, 2025
The
conversion
of
CO2
into
carbon-based
fuels
and
chemicals
via
the
electrocatalytic
reduction
reaction
(CO2RR)
offers
an
attractive
route
to
reducing
emission
for
carbon
neutrality.
Currently,
high-purity
gas
has
been
widely
used
as
feedstock
most
CO2RR
studies,
while
sources
with
a
typically
low
concentration
impose
extra
cost
capture
purification
steps.
direct
utilization
low-concentration
is
promising
approach
substantially
address
this
problem.
In
Perspective,
we
first
highlight
prominent
advantages
electroreduction
CO2.
Then
focus
on
summary
several
important
design
strategies
in
diluted
impurities-containing
atmosphere.
Finally,
propose
personal
outlooks
future
challenges
some
opportunities
fascinating
research
field.
Language: Английский
Single-atom catalysts confined in shell layer achieved by a modified top-down strategy for efficient CO2 reduction
Journal of Colloid and Interface Science,
Journal Year:
2025,
Volume and Issue:
unknown, P. 137566 - 137566
Published: April 1, 2025
Language: Английский
Harnessing Interfacial Cl− Ions for Concurrent Formate Production at Industrial Level via CO2 Reduction and Methanol Oxidation
Advanced Functional Materials,
Journal Year:
2025,
Volume and Issue:
unknown
Published: April 16, 2025
Abstract
The
efficient
electrocatalytic
conversion
of
CO
2
to
formate
is
often
impeded
by
the
high
energy
requirements
oxygen
evolution
reaction
(OER)
and
limited
activity
selectivity
reduction
(CO
RR).
Herein,
a
novel
strategy
enhance
production
substituting
OER
with
methanol
oxidation
(MOR)
optimizing
cathodic
microenvironment
interfacial
Cl
−
ions
presented.
Through
theoretical
analysis,
binder‐free
Bi
NiOOH
electrodes
that
achieve
remarkable
Faradaic
efficiencies
(FE
)
exceeding
90%
at
current
densities
50–250
mA·cm
−2
for
RR
MOR,
respectively,
are
identified.
These
combined
experimental
investigations
demonstrate
enrichment
on
electrode
modulates
local
electronic
structure,
fostering
conducive
RR.
Bi–NiOOH
full
cell
maintains
FE
above
industry‐level
(100–300
),
enabling
concurrent
electrosynthesis
both
electrodes.
This
work
highlights
critical
role
anion
environments
in
electrocatalysis
provides
strategic
framework
synergistic
engineering
electrochemical
systems.
Language: Английский