ACS Energy Letters,
Год журнала:
2024,
Номер
9(7), С. 3342 - 3350
Опубликована: Июнь 14, 2024
In
a
membrane
electrode
assembly
(MEA)
electrolyzer
based
on
cation-exchange
membrane,
achieving
an
efficient
and
stable
CO2
reduction
reaction
(CO2RR)
is
challenging
because
the
transport
of
protons,
cations,
electro-osmotic
water
from
anode
changes
balance
ions.
Herein,
we
derived
microenvironment
for
CO2RR
performance
by
using
two
strategies.
First,
mixture
carbon
anion-exchange
ionomer
buffer
layers
used
to
hold
cations
while
managing
in
local
alkaline
media.
The
second
strategy
involves
pressurizing
only
cathode
side,
resulting
high
concentration
enhancing
reverse
osmosis
phenomenon.
synergistic
effects
these
strategies
create
leading
operation.
Our
approach
viable
industrial
applications
pressurized
MEA
systems
are
processes
that
can
be
commercialized.
Advanced Functional Materials,
Год журнала:
2022,
Номер
32(32)
Опубликована: Май 20, 2022
Abstract
The
electrochemical
CO
2
reduction
reaction
(CO
RR)
is
a
promising
strategy
to
convert
carbon‐based
fuels
and
simultaneously
reduce
the
emission
of
greenhouse
gases
into
atmosphere.
In
this
work,
bismuth
subcarbonate
nanoflowers
(BOC
NFs)
are
facilely
prepared
through
one‐pot
synthesis
method
for
efficient
formate
electrosynthesis
RR.
Benefiting
from
crystal
structure
sheet‐stacked
morphology,
in
situ
measurements
theoretical
calculation
results
reveal
self‐reinforced
adsorption
properties
rapid
adsorption–desorption
kinetics
on
catalyst
surface,
which
significantly
facilitate
RR
process.
As
result,
desirable
Faradaic
efficiencies
over
90%,
with
maximum
value
98.9%,
toward
formation,
achieved
wide
potential
window
−0.8
−1.4
V
an
H‐type
cell.
Moreover,
flow
cell,
superior
intrinsic
activity
BOC
NFs
guarantees
high
throughput
electrocatalytic
performance
FE
90%
current
density
range
as
1200
mV,
demonstrating
great
practical
applications.
These
underscore
effectiveness
designing
electrocatalysts
improve
Angewandte Chemie International Edition,
Год журнала:
2022,
Номер
61(46)
Опубликована: Авг. 23, 2022
Abstract
The
concept
of
green
carbon
science
is
to
promote
the
goal
achieving
neutrality,
importance
and
urgency
which
have
been
well‐recognized
received
worldwide
attention.
Carbon
neutrality
has
become
focus
research
work
in
many
fields,
correspondingly,
a
growing
number
papers
publications
published
over
last
few
years.
However,
since
neutralization
real
problem
that
urgently
requires
technical
solutions,
transition
from
fundamental
practical
applications
must
be
accelerated.
A
teams
are
bold
putting
things
into
practice
blazing
new
trails.
This
Review
summarizes
recent
technological
developments
within
framework
science,
focusing
on
conducted
pilot
tests,
industrial
demonstrations,
commercial
beyond
laboratory
stage.
ACS Catalysis,
Год журнала:
2022,
Номер
12(20), С. 12993 - 13020
Опубликована: Окт. 12, 2022
The
electroreduction
of
CO2
and
CO
into
valuable
chemicals
fuels
powered
by
renewable
electricity
can
tackle
anthropogenic
carbon
emissions
close
the
cycle.
However,
both
have
low
solubility
in
aqueous
electrolytes,
affording
their
sluggish
mass
transport
across
electrolyte.
CO2/CO
a
flow
electrolyzer
this
problem
directly
delivering
gaseous
reactant
to
electrode
surface.
Significant
progress
has
been
made
recently
simultaneously
obtaining
high
reaction
rates
product
selectivity
using
cell
configurations.
This
perspective
highlights
how
different
designs
impact
outlines
potential
strategies
that
may
further
improve
performance.
challenges
opportunities
related
fundamental
engineering
aspects
are
also
discussed.
Chemical Synthesis,
Год журнала:
2022,
Номер
2(4), С. 19 - 19
Опубликована: Янв. 1, 2022
The
emission
of
CO2
has
become
an
increasingly
prominent
issue.
Electrochemical
reduction
to
value-added
chemicals
provides
a
promising
strategy
mitigate
energy
shortage
and
achieve
carbon
neutrality.
Two-dimensional
(2D)
materials
are
highly
attractive
for
the
fabrication
catalysts
owing
their
special
electronic
geometric
properties
as
well
multitude
edge
active
sites.
Various
2D
have
been
proposed
synthesis
use
in
conversion
versatile
carbonous
products.
This
review
presents
latest
progress
on
various
with
focus
applications
electrochemical
CO2.
Initially,
advantages
electro-reduction
briefly
discussed.
Subsequently,
common
methods
role
these
elaborated.
Finally,
some
perspectives
future
investigations
proposed.
Russian Chemical Reviews,
Год журнала:
2023,
Номер
92(12), С. RCR5104 - RCR5104
Опубликована: Дек. 1, 2023
After
the
appearance
of
green
chemistry
concept,
which
was
introduced
in
vocabulary
early
1990s,
its
main
statements
have
been
continuously
developed
and
modified.
Currently,
there
are
10–12
cornerstones
that
should
form
basis
for
an
ideal
chemical
process.
This
review
analyzes
accumulated
experience
achievements
towards
design
products
processes
reduce
or
eliminate
use
generation
hazardous
substances.
The
presents
views
leading
Russian
scientists
specializing
various
fields
this
subject,
including
homogeneous
heterogeneous
catalysis,
fine
basic
organic
synthesis,
electrochemistry,
polymer
chemistry,
based
on
bio-renewable
feedstocks
energetic
compounds
materials.
A
new
approach
to
quantitative
evaluation
environmental
friendliness
by
authors
is
described.
<br>
bibliography
includes
1761.
Advanced Materials,
Год журнала:
2023,
Номер
35(52)
Опубликована: Авг. 20, 2023
Abstract
Electrochemical
carbon
dioxide
reduction
reaction
(CO
2
RR)
driven
by
renewable
energy
shows
great
promise
in
mitigating
and
potentially
reversing
the
devastating
effects
of
anthropogenic
climate
change
environmental
degradation.
The
simultaneous
synthesis
energy‐dense
chemicals
can
meet
global
demand
while
decoupling
emissions
from
economic
growth.
However,
development
CO
RR
technology
faces
challenges
catalyst
discovery
device
optimization
that
hinder
their
industrial
implementation.
In
this
contribution,
a
comprehensive
overview
current
state
research
is
provided,
starting
with
background
motivation
for
technology,
followed
fundamentals
evaluated
metrics.
Then
underlying
design
principles
electrocatalysts
are
discussed,
emphasizing
structure–performance
correlations
advanced
electrochemical
assembly
cells
increase
selectivity
throughput.
Finally,
review
looks
to
future
identifies
opportunities
innovation
mechanism
discovery,
material
screening
strategies,
assemblies
move
toward
carbon‐neutral
society.
Advanced Functional Materials,
Год журнала:
2023,
Номер
33(32)
Опубликована: Апрель 25, 2023
Abstract
Electrochemical
carbon
dioxide
(CO
2
)
conversion
technologies
have
become
new
favorites
for
addressing
environmental
and
energy
issues,
especially
with
direct
electrocatalytic
reduction
of
CO
(ECO
RR)
alkali
metal‐CO
(M–CO
batteries
as
representatives.
They
are
poised
to
create
economic
drivers
while
also
paving
the
way
a
cleaner
more
sustainable
future
humanity.
Although
still
far
from
practical
application,
ECO
RR
has
been
intensively
investigated
over
last
few
years,
some
achievements.
In
stark
contrast,
M–CO
batteries,
aqueous
hybrid
offer
potential
combine
storage
into
an
integrated
system,
but
their
research
is
in
early
stages.
This
article
gives
insightful
review,
comparison,
analysis
recent
advances
illustrating
similarities
differences,
aiming
advance
development
innovation.
Considering
crucial
role
well‐designed
functional
materials
facilitating
special
attention
paid
rational
design
strategies
components,
such
electrodes/catalysts,
electrolytes,
membranes/separators,
at
industrial
level
impact
on
conversion.
Moreover,
perspectives
suggestions
presented
facilitate
applications.
