Journal of CO2 Utilization,
Journal Year:
2024,
Volume and Issue:
81, P. 102735 - 102735
Published: March 1, 2024
Previous
research
in
CO2
electroreduction
primarily
focused
on
cathodic
electrocatalysts
and
electrode
configurations
using
pure
CO2.
Few
studies
explored
the
impact
of
residence
time
N2/O2
compounds,
crucial
for
practical
industrial
implementation.
In
this
study,
effect
influence
N2
O2
compounds
to
formate
are
investigated,
employing
Bi
carbon-supported
nanoparticles
form
Gas
Diffusion
Electrodes
within
an
electrochemical
flow
reactor
with
a
single
pass
reactants.
The
results
highlight
critical
role
electroconversion
process.
On
one
hand,
evaluation
holds
paramount
significance
potential
establishment
large-scale
recycling
plant,
as
it
has
significantly
both
capital
operational
costs
integrated
electrolyzer-separator
system.
Optimal
obtained
range
times
between
1.8
2.9
seconds,
corresponding
rates
150
250
mL·min−1,
respectively.
other
study
resulted
promising
Faradaic
Efficiency
75.0%,
similar
values
achieved
at
concentrations
75
–
100
vol%.
These
particularly
noteworthy
they
demonstrate
that
achieving
capture
efficiency
100%
is
not
necessary,
thereby
reducing
associated
process
and,
consequently,
overall
cost
integrating
utilization
processes
plant.
Carbon Energy,
Journal Year:
2022,
Volume and Issue:
4(6), P. 1021 - 1079
Published: July 14, 2022
Abstract
Currently,
more
than
86%
of
global
energy
consumption
is
still
mainly
dependent
on
traditional
fossil
fuels,
which
causes
resource
scarcity
and
even
emission
high
amounts
carbon
dioxide
(CO
2
),
resulting
in
a
severe
“Greenhouse
effect.”
Considering
this
situation,
the
concept
“carbon
neutrality”
has
been
put
forward
by
125
countries
one
after
another.
To
achieve
goals
neutrality,”
two
main
strategies
to
reduce
CO
emissions
develop
sustainable
clean
can
be
adopted.
Notably,
these
are
crucial
for
synthesis
advanced
single‐atom
catalysts
(SACs)
energy‐related
applications.
In
review,
we
highlight
unique
SACs
conversion
into
high‐efficiency
energy,
example,
through
photocatalytic,
electrocatalytic,
thermal
catalytic
hydrogenation
technologies,
convert
hydrocarbon
fuels
(CO,
CH
4
,
HCOOH,
3
OH,
multicarbon
[C
2+
]
products).
addition,
introduce
technologies
devices
replace
polluting
such
as
photocatalytic
electrocatalytic
water
splitting
produce
hydrogen
oxygen
reduction
reaction
(ORR)
fuel
cells.
Impressively,
several
representative
examples
(including
d
‐,
ds
p
f
‐blocks)
conversion,
H
ORR
discussed
describe
methods,
characterization,
corresponding
activity.
Finally,
review
concludes
with
description
challenges
outlooks
future
applications
contributing
toward
neutrality.
ACS Energy Letters,
Journal Year:
2023,
Volume and Issue:
8(4), P. 1992 - 2024
Published: March 30, 2023
The
study
of
the
electrochemical
CO2
reduction
to
obtain
formate
(HCOO–)
or
formic
acid
(HCOOH)
is
receiving
much
attention
as
a
promising
technology.
Since
continuous–mode
operation
has
become
necessary
for
practical
implementation
reduction,
recent
years
have
seen
rapid
increase
in
number
research
approaches
focusing
on
this
aspect.
This
Focus
Review
provides
unified
discussion
available
studies
continuous
electroreduction
HCOO–/HCOOH,
considering
different
important
features
process
design.
Moreover,
paper
quantitatively
assesses
performance
that
involve
reactors
converting
HCOOH/HCOO–,
comparing
relevant
typically
used
figures
merit,
including
energy
consumption.
Although
some
trade-offs
already
been
achieved,
simultaneous
optimization
all
merit
remains
challenge.
Finally,
concluding
remarks
highlight
detected
trends
and
discuss
aspects
will
be
tackled
by
future
field.
Separation and Purification Technology,
Journal Year:
2023,
Volume and Issue:
316, P. 123811 - 123811
Published: April 8, 2023
The
release
of
carbon
dioxide
(CO2)
into
the
atmosphere
is
threatening
environment
and
ecosystems,
resulting
in
major
challenges
to
sustainable
development
for
modern
industry.
In
this
context,
CO2
electrochemical
reduction
(CO2
ECR)
one
most
promising
technologies
mitigate
effects
high
content
atmosphere.
Electrochemical
technology
can
convert
value-added
chemicals
including
methanol,
ethanol
formate.
review,
different
mechanisms
formate/formic
acid
are
reviewed,
highlighting
cell
designs
.
Also,
effect
design
operating
parameters
on
process
discussed.
review
aims
highlight
recent
developments
formate
production
provide
guidelines
future
advancements.
Challenges
large-scale
research
gaps
also
provided.
Advanced Materials,
Journal Year:
2023,
Volume and Issue:
35(28)
Published: Feb. 23, 2023
Abstract
Sluggish
reaction
kinetics
and
the
undesired
side
reactions
(hydrogen
evolution
self‐reduction)
are
main
bottlenecks
of
electrochemical
conversion
reactions,
such
as
carbon
dioxide
nitrate
reduction
(CO
2
RR
NO
3
RR).
To
date,
conventional
strategies
to
overcome
these
challenges
involve
electronic
structure
modification
modulation
charge‐transfer
behavior.
Nonetheless,
key
aspects
surface
modification,
focused
on
boosting
intrinsic
activity
active
sites
catalyst
surface,
yet
be
fully
understood.
Engingeering
oxygen
vacancies
(OVs)
can
tune
surface/bulk
improve
electrocatalysts.
The
continuous
breakthroughs
significant
progress
in
last
decade
position
engineering
OVs
a
potential
technique
for
advancing
electrocatalysis.
Motivated
by
this,
state‐of‐the‐art
findings
roles
both
CO
presented.
review
starts
with
description
approaches
constructing
techniques
characterizing
OVs.
This
is
followed
an
overview
mechanistic
understanding
detailed
discussion
RR.
Then,
insights
into
mechanism
based
early
highlighted.
Finally,
designing
RR/NO
electrocatalysts
perspectives
studying
OV
provided.
